Marine alerts in effect right now for coastal waters and large lakes
69 activeMarine alerts cover wind and waves over coastal waters and large lakes, graded by wind speed in knots.
Gale WarningCape Tolstoi to Unalga Pass from 15 to 100 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 10 at 2:22PM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningUnalga Pass to Nikolski Pacific Side from 15 to 85 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 10 at 2:22PM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningPoint Franklin to Cape Halkett out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningCape Thompson to Cape Beaufort out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningCape Thompson to Cape Beaufort from 15 to 85 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningCape Beaufort to Point Franklin from 15 to 85 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningPoint Franklin to Cape Halkett from 15 to 75 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningCape Halkett to Flaxman Island out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningCape Halkett to Flaxman Island from 15 to 80 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 3:45AM AKST until November 12 at 5:00AM AKST by NWS Fairbanks AK
Gale WarningCape Tolstoi to Unalga Pass from 15 to 100 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 5:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningGravel Point to Cape Cleare out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 6:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Cleare to Gore Point out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 6:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningSouthwest Prince William SoundUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 6:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Cleare to Gore Point from 15 to 75 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 6:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Cleare to Gore Point out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 7:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningSouthwest Prince William SoundUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 7:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningGravel Point to Cape Cleare out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 7:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Cleare to Gore Point from 15 to 75 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 7:05AM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Tolstoi to Unalga Pass from 15 to 100 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 2:44PM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Cleare to Gore Point out to 15 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 2:42PM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Gale WarningCape Cleare to Gore Point from 15 to 75 NMUntil Nov 12, 9:00 AM EST
Gale Warning issued November 11 at 2:42PM AKST until November 12 at 5:00AM AKST by NWS Anchorage AK
Hazardous Seas WarningWaters from Cape Foulweather to Florence OR from 10 to 60 nmUntil Nov 12, 10:00 AM EST
Hazardous Seas Warning issued November 12 at 12:21AM PST until November 12 at 7:00AM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Hazardous Seas WarningWaters from Cape Falcon to Cape Foulweather OR from 10 to 60 nmUntil Nov 12, 10:00 AM EST
Hazardous Seas Warning issued November 12 at 12:21AM PST until November 12 at 7:00AM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Hazardous Seas WarningCoastal waters from Cape Foulweather to Florence OR out 10 nmUntil Nov 12, 10:00 AM EST
Hazardous Seas Warning issued November 12 at 12:21AM PST until November 12 at 7:00AM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Hazardous Seas WarningCoastal waters from Cape Falcon to Cape Foulweather OR out 10 nmUntil Nov 12, 10:00 AM EST
Hazardous Seas Warning issued November 12 at 12:21AM PST until November 12 at 7:00AM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Hazardous Seas WarningCoastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nmUntil Nov 12, 10:00 AM EST
Hazardous Seas Warning issued November 12 at 12:21AM PST until November 12 at 7:00AM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Hazardous Seas WarningWaters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 nmUntil Nov 12, 10:00 AM EST
Hazardous Seas Warning issued November 12 at 12:21AM PST until November 12 at 7:00AM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningMaalaea Bay; Pailolo Channel; Alenuihaha Channel; Big Island Leeward Waters; Big Island Southeast WatersUntil Nov 12, 11:00 AM EST
Gale Warning issued November 11 at 3:43PM HST until November 12 at 6:00AM HST by NWS Honolulu HI
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningCalumet Harbor IL to Gary IN; Gary to Burns Harbor IN; Burns Harbor to Michigan City INUntil Nov 12, 6:00 PM EST
Gale Warning issued November 11 at 6:44PM CST until November 12 at 5:00PM CST by NWS Chicago IL
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Gale WarningWinthrop Harbor to Wilmette Harbor IL; Wilmette Harbor to Northerly Island IL; Northerly Island to Calumet Harbor ILUntil Nov 12, 6:00 PM EST
Gale Warning issued November 11 at 6:44PM CST until November 12 at 5:00PM CST by NWS Chicago IL
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Gale WarningSheboygan to Port Washington WI; Port Washington to North Point Light WIUntil Nov 12, 6:00 PM EST
Gale Warning issued November 11 at 6:34PM CST until November 12 at 5:00PM CST by NWS Milwaukee/Sullivan WI
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningNorth Point Light to Wind Point WI; Wind Point WI to Winthrop Harbor ILUntil Nov 12, 6:00 PM EST
Gale Warning issued November 11 at 6:34PM CST until November 12 at 5:00PM CST by NWS Milwaukee/Sullivan WI
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningFrederick SoundUntil Nov 12, 9:00 PM EST
Gale Warning issued November 5 at 2:35AM AKST until November 12 at 5:00PM AKST by NWS Juneau AK
Gale WarningStephens PassageUntil Nov 12, 9:00 PM EST
Gale Warning issued November 5 at 2:35AM AKST until November 12 at 5:00PM AKST by NWS Juneau AK
Gale WarningSumner StraitUntil Nov 12, 9:00 PM EST
Gale Warning issued November 5 at 2:35AM AKST until November 12 at 5:00PM AKST by NWS Juneau AK
Storm WarningClarence StraitUntil Nov 12, 9:00 PM EST
Storm Warning issued November 5 at 2:35AM AKST until November 12 at 5:00PM AKST by NWS Juneau AK
Gale WarningSouthern Chatham StraitUntil Nov 12, 9:00 PM EST
Gale Warning issued November 5 at 2:35AM AKST until November 12 at 5:00PM AKST by NWS Juneau AK
Gale WarningWestern US Arctic OffshoreUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 4:00AM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningCape Thompson to Cape Beaufort out to 15 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningCape Halkett to Flaxman Island out to 15 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningPoint Franklin to Cape Halkett out to 15 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningCape Beaufort to Point Franklin from 15 to 85 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningCape Thompson to Cape Beaufort from 15 to 85 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningPoint Franklin to Cape Halkett from 15 to 75 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningCape Halkett to Flaxman Island from 15 to 80 NMUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 3:48PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningWestern US Arctic OffshoreUntil Nov 12, 9:00 PM EST
Gale Warning issued November 11 at 4:00PM AKST until November 12 at 5:00PM AKST by NWS Fairbanks AK
Gale WarningLake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; Lake Michigan from Point Betsie to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Sturgeon Bay to Two Rivers WI 5NM offshore to Mid Lake; Lake Michigan from Two Rivers to Sheboygan WI 5NM offshore to Mid Lake; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake; Lake Michigan from Pentwater to Manistee MI 5NM offshore to Mid Lake; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid LakeUntil Nov 12, 10:00 PM EST
Gale Warning issued November 11 at 6:34PM CST until November 12 at 9:00PM CST by NWS Milwaukee/Sullivan WI
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningWaters from Oregon Inlet to Cape Hatteras NC from 20 to 60 NM; Waters from Cape Hatteras to Ocracoke Inlet NC from 20 to 60 NM; Waters from Ocracoke Inlet to Cape Lookout NC from 20 to 60 NM; Waters from Cape Lookout to Surf City NC from 20 to 60 NMUntil Nov 13, 1:00 AM EST
Gale Warning issued November 12 at 1:08AM EST until November 13 at 1:00AM EST by NWS Newport/Morehead City NC
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Gale WarningWaters from Surf City NC to Little River Inlet SC from 20 to 60 NMUntil Nov 13, 1:00 AM EST
Gale Warning issued November 12 at 1:03AM EST until November 13 at 1:00AM EST by NWS Wilmington NC
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for hazardous conditions.
Gale WarningWaters from Pt. St. George to Cape Mendocino CA from 10 to 60 nmUntil Nov 13, 4:00 PM EST
Gale Warning issued November 11 at 9:33PM PST until November 13 at 1:00PM PST by NWS Eureka CA
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningCoastal waters from Pt. St. George to Cape Mendocino CA out 10 nmUntil Nov 13, 6:00 PM EST
Gale Warning issued November 11 at 9:33PM PST until November 13 at 3:00PM PST by NWS Eureka CA
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningWaters from Cape Mendocino to Pt. Arena CA from 10 to 60 nmUntil Nov 13, 6:00 PM EST
Gale Warning issued November 11 at 9:33PM PST until November 13 at 3:00PM PST by NWS Eureka CA
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningCoastal waters from Cape Mendocino to Pt. Arena CA out 10 nmUntil Nov 13, 6:00 PM EST
Gale Warning issued November 11 at 9:33PM PST until November 13 at 3:00PM PST by NWS Eureka CA
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WarningWaters from Cape Shoalwater WA to Cape Falcon OR from 10 to 60 nmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningWaters from Cape Falcon to Cape Foulweather OR from 10 to 60 nmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningCoastal waters from Cape Falcon to Cape Foulweather OR out 10 nmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningCoastal waters from Cape Shoalwater WA to Cape Falcon OR out 10 nmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningCoastal waters from Cape Foulweather to Florence OR out 10 nmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningWaters from Cape Foulweather to Florence OR from 10 to 60 nmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningColumbia River BarUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:21AM PST until November 13 at 4:00PM PST by NWS Portland OR
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningCoastal Waters From Cape Flattery To James Island Out 10 Nm; Coastal Waters From James Island To Point Grenville Out 10 Nm; Coastal Waters From Point Grenville To Cape Shoalwater Out 10 Nm; Coastal Waters From Cape Flattery To James Island 10 To 60 Nm; Waters From James Island To Point Grenville 10 To 60 Nm; Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 NmUntil Nov 13, 7:00 PM EST
Gale Warning issued November 12 at 12:44AM PST until November 13 at 4:00PM PST by NWS Seattle WA
A Gale Warning means winds of 34 to 47 knots are imminent or occurring. Operating a vessel in gale conditions requires experience and properly equipped vessels. It is highly recommended that mariners without the proper experience seek safe harbor prior to the onset of gale conditions.
Gale WarningWestern US Arctic OffshoreUntil Nov 17, 9:00 PM EST
Gale Warning issued November 10 at 4:00AM AKST until November 17 at 5:00PM AKST by NWS Fairbanks AK
Gale WatchLake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid LakeUntil Nov 12, 7:00 PM EST
The Gale Watch has been replaced. Please see the latest information from NWS Milwaukee/Sullivan WI on this developing situation.
Mariners should alter plans to avoid these hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WatchCoastal Waters from Stonington, ME to Port Clyde, ME out 25 NM; Coastal Waters from Port Clyde, ME to Cape Elizabeth, ME out 25 NM; Coastal Waters from Cape Elizabeth, ME to Merrimack River, MA out 25 NM; Waters from Stonington ME to Port Clyde ME from 25 to 60 NM; Waters from Port Clyde ME to Cape Elizabeth ME from 25 to 60 NM; Waters from Cape Elizabeth ME to Merrimack River MA from 25 to 60 NMUntil Nov 13, 3:00 PM EST
Gale Watch issued November 12 at 1:58AM EST until November 13 at 3:00PM EST by NWS Gray ME
Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
Gale WatchCoastal waters east of Ipswich Bay and the Stellwagen Bank National Marine Sanctuary; Massachusetts Bay and Ipswich Bay; Coastal waters from Provincetown MA to Chatham MA to Nantucket MA out 20 NM; Ocean Waters from the Merrimack River to Plymouth from 40 to 60 NM; Ocean Waters from Provincetown to Nantucket from 20 to 60 NMUntil Nov 13, 7:00 PM EST
Gale Watch issued November 12 at 1:32AM EST until November 13 at 7:00PM EST by NWS Boston/Norton MA
Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
Gale WatchCape Cod Bay; Nantucket Sound; Vineyard Sound; Buzzards Bay; Rhode Island Sound; Block Island Sound; Coastal Waters extending out to 25 NM South of Marthas Vineyard and Nantucket; Coastal Waters from Montauk NY to Marthas Vineyard extending out to 20 NM South of Block Island; Ocean Waters from Marthas Vineyard to Nantucket from 25 to 60 NM; Ocean Waters from Montauk NY to Marthas Vineyard from 25 to 60 NMUntil Nov 13, 7:00 PM EST
Gale Watch issued November 12 at 1:32AM EST until November 13 at 7:00PM EST by NWS Boston/Norton MA
Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
Gale WatchCoastal Waters from Eastport, ME to Schoodic Point, ME out 25 NM; Coastal Waters from Schoodic Point, ME to Stonington, ME out 25 NM; Waters from Eastport ME to Schoodic Point ME from 25 to 60 NM or the Hague Line; Waters from Schoodic Point ME to Stonington ME from 25 to 60 NMUntil Nov 13, 7:00 PM EST
Gale Watch issued November 12 at 2:05AM EST until November 13 at 7:00PM EST by NWS Caribou ME
Mariners should consider altering plans to avoid possible hazardous conditions. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe wind and seas.
Gale WatchCoastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm; Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nmUntil Nov 14, 1:00 AM EST
Gale Watch issued November 11 at 3:34PM PST until November 13 at 10:00PM PST by NWS Medford OR
Mariners should consider altering plans to avoid strong winds and very steep seas. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
Gale WatchCoastal waters from Florence to Cape Blanco OR out 10 nm; Waters from Florence to Cape Blanco OR from 10 to 60 nmUntil Nov 14, 1:00 AM EST
Gale Watch issued November 11 at 3:34PM PST until November 13 at 10:00PM PST by NWS Medford OR
Mariners should consider altering plans to avoid strong winds and very steep seas. Remain in port, seek safe harbor, alter course, and/or secure the vessel for severe conditions.
No alerts match these filters.
What the marine alerts mean
Marine alerts cover wind and waves over coastal waters and large lakes, graded by wind speed in knots.
Small Craft Advisory
Issued for sustained winds of 18 to 33 knots, frequent gusts in that range, or waves of 4 feet or higher, in the Tidal Potomac River and Chesapeake Bay.
Gale Warning
Issued for sustained winds or frequent gusts of 34 to 47 knots (in the Chesapeake Bay area, when not directly associated with a tropical cyclone).
Storm Warning
Issued for sustained winds or frequent gusts of 48 to 63 knots (in the Chesapeake Bay area, when not directly associated with a tropical cyclone).
Special Marine Warning
A short-duration warning (up to 2 hours) for marine thunderstorms with winds of 34 knots or greater, hail three quarters of an inch or larger, or waterspouts.
Wind thresholds shown are those NWS Baltimore/Washington uses for the Tidal Potomac and Chesapeake Bay; other offices differ. Source: NWS Baltimore/Washington: Watch/Warning/Advisory Definitions. For the full comparison across alert types, see watch vs warning vs advisory.
Marine alerts by state
Open a state to see its current warnings, watches and advisories.
Common questions about marine alerts
What is a small craft advisory?
Issued for sustained winds of 18 to 33 knots, frequent gusts in that range, or waves of 4 feet or higher, in the Tidal Potomac River and Chesapeake Bay.
What is a gale warning?
Issued for sustained winds or frequent gusts of 34 to 47 knots (in the Chesapeake Bay area, when not directly associated with a tropical cyclone).
What is a storm warning?
Issued for sustained winds or frequent gusts of 48 to 63 knots (in the Chesapeake Bay area, when not directly associated with a tropical cyclone).
What is a special marine warning?
A short-duration warning (up to 2 hours) for marine thunderstorms with winds of 34 knots or greater, hail three quarters of an inch or larger, or waterspouts.
Do the numbers in the marine alert definitions apply everywhere?
Wind thresholds shown are those NWS Baltimore/Washington uses for the Tidal Potomac and Chesapeake Bay; other offices differ. Alert thresholds are set by each National Weather Service office, so the numbers can differ where you live. The text of the alert for your location is what applies.
Alert data comes from the National Weather Service and is refreshed every 15 minutes.