Current watches, warnings, and advisories for United States marine zones

This page shows alerts currently in effect for these criteria.

Please click here for a listing of states, zones, and counties.

Last Updated: 11:08 PM on 05-22-2018

Immediate, Actual

Special Marine Warning

05/22/2018 7:07 PM through 05/22/2018 8:30 PM

Patuxent River to Broomes Island MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Chesapeake Bay from North Beach to Drum Point MD; Tidal Potomac from Cobb Island MD to Smith Point VA; Tangier Sound and the inland waters surrounding Bloodsworth Island

Immediate, Actual

Special Marine Warning

05/22/2018 7:07 PM through 05/22/2018 8:30 PM

Patuxent River to Broomes Island MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Chesapeake Bay from North Beach to Drum Point MD; Tidal Potomac from Cobb Island MD to Smith Point VA; Tangier Sound and the inland waters surrounding Bloodsworth Island

Future, Actual

Severe Thunderstorm Watch

05/22/2018 7:01 PM through 05/22/2018 9:00 PM

Patuxent River to Broomes Island MD; Chesapeake Bay from Drum Point MD to Smith Point VA; Chesapeake Bay from North Beach to Drum Point MD; Choptank River to Cambridge MD and the Little Choptank River; Tidal Potomac from Cobb Island MD to Smith Point VA

Immediate, Actual

Special Marine Warning

05/22/2018 6:57 PM through 05/22/2018 7:45 PM

Tidal Potomac from Cobb Island MD to Smith Point VA

Immediate, Actual

Special Marine Warning

05/22/2018 6:57 PM through 05/22/2018 7:45 PM

Tidal Potomac from Cobb Island MD to Smith Point VA

Immediate, Actual

Special Marine Warning

05/22/2018 6:49 PM through 05/22/2018 8:15 PM

Chesapeake Bay from Smith Point to Windmill Point VA; Rappahannock River from Urbanna to Windmill Point; Chesapeake Bay from Windmill Point to New Point Comfort VA

Immediate, Actual

Special Marine Warning

05/22/2018 6:30 PM through 05/22/2018 7:45 PM

Tidal Potomac from Cobb Island MD to Smith Point VA

Future, Actual

Gale Watch

05/22/2018 2:50 PM through 05/22/2018 11:00 PM

Central U.S. Waters Strait Of Juan De Fuca; East Entrance U.S. Waters Strait Of Juan De Fuca

Expected, Actual

Small Craft Advisory

05/22/2018 2:50 PM through 05/22/2018 11:00 PM

Central U.S. Waters Strait Of Juan De Fuca; East Entrance U.S. Waters Strait Of Juan De Fuca

Expected, Actual

Small Craft Advisory

05/22/2018 2:34 PM through 05/22/2018 9:00 PM

San Pablo Bay, Suisun Bay, the West Delta and the San Francisco Bay north of the Bay Bridge

Expected, Actual

Small Craft Advisory

05/22/2018 2:22 PM through 05/23/2018 2:00 AM

Waters from Cape Blanco OR to Pt. St. George CA from 10 to 60 nm; Coastal waters from Cape Blanco OR to Pt. St. George CA out 10 nm

Expected, Actual

Small Craft Advisory

05/22/2018 2:20 PM through 05/22/2018 10:30 PM

Waters from Pt. St. George to Cape Mendocino CA from 10 to 60 nm; Waters from Cape Mendocino to Pt. Arena CA from 10 to 60 nm

Expected, Actual

Small Craft Advisory

05/22/2018 4:33 PM through 05/22/2018 11:00 PM

Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas 20 to 60 NM out; Straits of Florida from Craig Key to west end of Seven Mile Bridge 20 to 60 NM out; Hawk Channel from Craig Key to west end of Seven Mile Bridge out to the reef; Straits of Florida from Halfmoon Shoal to 20 NM west of Dry Tortugas out 20 NM; Straits of Florida from Ocean Reef to Craig Key 20 to 60 NM out; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal out 20 NM; Straits of Florida from west end of Seven Mile Bridge to south of Halfmoon Shoal 20 to 60 NM out; Hawk Channel from west end of Seven Mile Bridge to Halfmoon Shoal out to the reef; Straits of Florida from Ocean Reef to Craig Key out 20 NM; Straits of Florida from Craig Key to west end of Seven Mile Bridge out 20 NM; Hawk Channel from Ocean Reef to Craig Key out to the reef

Expected, Actual

Dense Fog Advisory

05/22/2018 4:32 PM through 05/23/2018 12:45 AM

St Joseph to South Haven MI; South Haven to Holland MI; Grand Haven to Whitehall MI; Holland to Grand Haven MI; Whitehall to Pentwater MI

Expected, Actual

Dense Fog Advisory

05/22/2018 2:59 PM through 05/22/2018 11:00 PM

Lake Michigan Michigan City IN to St. Joseph MI 5 NM offshore to mid-line of lake.; Lake Michigan from Port Washington to North Point Light WI 5NM offshore to Mid Lake; Wilmette Harbor to Northerly Island IL; Gary to Burns Harbor IN; Lake Michigan from South Haven to Holland MI 5NM offshore to Mid lake; Lake Michigan from Winthrop Harbor to Wilmette Harbor IL 5NM offshore to Mid Lake; Lake Michigan from St Joseph to South Haven MI 5NM offshore to Mid Lake; Lake Michigan from Sheboygan to Port Washington WI 5NM offshore to Mid Lake; Lake Michigan from Wilmette Harbor to Michigan City in 5NM offshore to Mid Lake; Lake Michigan from Holland to Grand Haven MI 5NM offshore to Mid Lake; Winthrop Harbor to Wilmette Harbor IL; Lake Michigan from North Point Light to Wind Point WI 5NM offshore to Mid Lake; Burns Harbor to Michigan City IN; Calumet Harbor IL to Gary IN; Lake Michigan from Whitehall to Pentwater MI 5NM offshore to Mid Lake; Northerly Island to Calumet Harbor IL; Lake Michigan from Grand Haven to Whitehall MI 5NM offshore to Mid Lake; Lake Michigan from Wind Point WI to Winthrop Harbor IL 5NM offshore to Mid Lake

Expected, Actual

Small Craft Advisory

05/22/2018 9:31 AM through 05/22/2018 10:45 PM

Kauai Channel; Kaiwi Channel

Expected, Actual

Small Craft Advisory

05/22/2018 9:31 AM through 05/22/2018 10:45 PM

Alenuihaha Channel; Maalaea Bay; Big Island Southeast Waters; Pailolo Channel; Big Island Leeward Waters

Future, Actual

Severe Thunderstorm Watch

05/22/2018 1:43 PM through 05/22/2018 9:00 PM

Avon Point to Willowick OH

Expected, Actual

Small Craft Advisory

05/22/2018 9:04 AM through 05/22/2018 5:00 PM

Coastal waters from Pt. St. George to Cape Mendocino CA out 10 nm

Expected, Actual

Small Craft Advisory

05/22/2018 9:04 AM through 05/22/2018 5:00 PM

Coastal waters from Cape Mendocino to Pt. Arena CA out 10 nm

Expected, Actual

Small Craft Advisory for Hazardous Seas

05/22/2018 7:28 AM through 05/22/2018 8:30 PM

Waters from Florence to Cape Blanco OR from 10 to 60 nm; Coastal waters from Florence to Cape Blanco OR out 10 nm