Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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418 FZUS51 KLWX 301959 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 359 PM EDT Tue Apr 30 2024 Tidal Potomac River and Maryland portion of Chesapeake Bay. Forecasts of wave heights do not include effects of wind direction relative to tidal currents. Expect higher waves when winds are blowing against the tidal flow. ANZ500-010800- 359 PM EDT Tue Apr 30 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A cold front crosses the waters this evening into Wednesday morning bringing chances for showers and thunderstorms. High pressure briefly returns Thursday before another slow moving front crosses the local waters over the weekend. Small Craft Advisories may be needed on Friday and Saturday. $$ ANZ535-010800- Tidal Potomac from Key Bridge to Indian Head- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...E winds around 5 kt. Waves 1 ft or less. .THU...SW winds around 5 kt. Waves 1 ft. .THU NIGHT...N winds around 5 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of showers after midnight. .SAT...E winds 10 kt. Waves 1 ft. A chance of showers through the day, then showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-010800- Tidal Potomac from Indian Head to Cobb Island- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED...NW winds 5 kt. Waves less than 1 ft. .WED NIGHT...SE winds around 5 kt. Waves 1 ft or less. .THU...SW winds around 5 kt. Waves 1 ft. .THU NIGHT...E winds around 5 kt. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers after midnight. .SAT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers through the day. Showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-010800- Tidal Potomac from Cobb Island to Smith Point- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. .WED...NW winds 5 to 10 kt...becoming N late. Waves 1 ft. .WED NIGHT...SE winds around 5 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 to 2 ft. .SAT...E winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers. Showers likely after midnight. $$ ANZ530-010800- Chesapeake Bay north of Pooles Island- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft. .TONIGHT...W winds 5 to 10 kt...becoming NW late. Waves 1 ft. A chance of showers and tstms. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...SE winds around 5 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...NW winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers, then showers likely after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-010800- Chesapeake Bay from Pooles Island to Sandy Point- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. .TONIGHT...SW winds 10 to 15 kt...becoming W 5 to 10 kt in the late evening and overnight. Waves 1 to 2 ft. A chance of showers and tstms. .WED...N winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...SE winds around 5 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 to 2 ft. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers, then showers likely after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-010800- Patapsco River including Baltimore Harbor- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft. .TONIGHT...W winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. .WED...NW winds 5 kt. Waves flat. .WED NIGHT...SE winds around 5 kt. Waves flat. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. .THU NIGHT...NW winds 5 kt. Waves less than 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers, then showers likely after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-010800- Chester River to Queenstown MD- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. .TONIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...NW winds 5 kt. Waves less than 1 ft. A chance of showers. .WED NIGHT...S winds around 5 kt. Waves flat. .THU...S winds 5 kt. Waves less than 1 ft. .THU NIGHT...SE winds 5 kt. Waves less than 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers, then showers likely after midnight. $$ ANZ532-010800- Chesapeake Bay from Sandy Point to North Beach- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 2 ft. .TONIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .WED...NW winds 5 to 10 kt...becoming E late. Waves 1 ft. .WED NIGHT...S winds 5 kt. Waves less than 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 to 2 ft. .SAT...E winds 10 kt. Waves 2 ft. A chance of showers, then showers likely after midnight. $$ ANZ540-010800- Eastern Bay- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...NW winds 5 kt. Waves less than 1 ft. A chance of showers. .WED NIGHT...S winds 5 kt. Waves less than 1 ft. .THU...S winds 5 kt. Waves less than 1 ft. .THU NIGHT...SE winds 5 kt. Waves less than 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers, then showers likely after midnight. $$ ANZ533-010800- Chesapeake Bay from North Beach to Drum Point- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt. Waves 2 ft. .TONIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .WED...NW winds 5 to 10 kt...becoming NE late. Waves 1 ft. A chance of showers. .WED NIGHT...SE winds 5 kt. Waves less than 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 to 2 ft. .SAT...E winds 10 kt. Waves 2 ft. A chance of showers. Showers likely after midnight. $$ ANZ541-010800- Choptank River to Cambridge MD and the Little Choptank River- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED NIGHT...SE winds around 5 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt...becoming E after midnight. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers. Showers likely after midnight. $$ ANZ542-010800- Patuxent River to Broomes Island MD- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft. .TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...N winds 5 kt. Waves less than 1 ft. A chance of showers. .WED NIGHT...SE winds around 5 kt. Waves 1 ft. .THU...S winds around 5 kt. Waves 1 ft. .THU NIGHT...SE winds around 5 kt. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 kt. Waves 1 ft. A chance of showers. Showers likely after midnight. $$ ANZ534-010800- Chesapeake Bay from Drum Point to Smith Point- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...SW winds 10 to 15 kt...becoming W 5 to 10 kt late. Waves 1 to 2 ft. .WED...NW winds 5 to 10 kt...becoming N late. Waves 1 ft. A chance of showers. .WED NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 to 2 ft. .SAT...E winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers. $$ ANZ543-010800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 359 PM EDT Tue Apr 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt... diminishing to 5 to 10 kt late. Waves 1 to 2 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED NIGHT...SE winds around 5 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 10 to 15 kt. Waves 1 ft. .SAT...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. $$