Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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359 FZUS51 KLWX 242057 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 357 PM EST Mon Nov 24 2025 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. Waves flat where waters are iced over. ANZ500-250900- 357 PM EST Mon Nov 24 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A low pressure system and series of fronts will cross Tuesday into the middle part of the week. Small Craft Advisories will likely be needed through the end of the week. $$ ANZ535-250900- Tidal Potomac from Key Bridge to Indian Head- 357 PM EST Mon Nov 24 2025 .REST OF THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds around 5 kt. Waves 1 ft. .TUE...S winds 5 kt. Waves less than 1 ft. Rain. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt. Waves 1 ft. $$ ANZ536-250900- Tidal Potomac from Indian Head to Cobb Island- 357 PM EST Mon Nov 24 2025 .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. .TONIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...S winds 5 kt. Waves less than 1 ft. Rain likely. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt. Waves 1 to 2 ft. $$ ANZ537-250900- Tidal Potomac from Cobb Island to Smith Point- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds 5 kt. Waves less than 1 ft. .TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. A chance of rain. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain with a chance of tstms. .WED...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt. Waves 2 ft. .THU...W winds 15 to 20 kt. Waves 2 ft. .FRI...NW winds 15 to 20 kt. Waves 2 to 3 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-250900- Chesapeake Bay north of Pooles Island- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves flat. .TONIGHT...SE winds around 5 kt. Waves flat. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain. .TUE NIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 2 ft. .THU...W winds 20 to 25 kt. Waves 2 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 1 to 2 ft. $$ ANZ531-250900- Chesapeake Bay from Pooles Island to Sandy Point- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves flat. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain. .TUE NIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Rain. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 2 to 3 ft. .FRI...W winds 20 to 25 kt. Waves 2 to 3 ft. $$ ANZ538-250900- Patapsco River including Baltimore Harbor- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves flat. .TONIGHT...S winds around 5 kt. Waves flat. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .THU...W winds 10 to 15 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt after midnight. Waves 1 to 2 ft. $$ ANZ539-250900- Chester River to Queenstown MD- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves flat. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 10 kt with gusts to 20 kt. Waves 2 ft. Rain. .WED...SW winds 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 15 to 20 kt. Waves 2 to 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. $$ ANZ532-250900- Chesapeake Bay from Sandy Point to North Beach- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain. .WED...SW winds 10 to 15 kt. Waves 2 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 2 to 3 ft. .FRI...W winds 25 to 30 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. $$ ANZ540-250900- Eastern Bay- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves flat. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Rain. .WED...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU...W winds 15 to 20 kt. Waves 2 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 ft. $$ ANZ533-250900- Chesapeake Bay from North Beach to Drum Point- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft. Rain. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain. .WED NIGHT...W winds 20 to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 2 to 3 ft. .FRI...W winds 25 to 30 kt...becoming NW 15 to 20 kt after midnight. Waves 3 ft...subsiding to 2 ft after midnight. $$ ANZ541-250900- Choptank River to Cambridge MD and the Little Choptank River- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .TUE...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. Rain likely. .TUE NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain. .WED...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 2 to 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. $$ ANZ542-250900- Patuxent River to Broomes Island MD- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds around 5 kt. Waves 1 ft. .TUE...S winds 5 to 10 kt. Waves 1 ft. A chance of rain. .TUE NIGHT...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain. .WED...SW winds 10 kt. Waves 1 ft. A chance of rain. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 kt. Waves 1 ft. .FRI...NW winds 15 to 20 kt...diminishing to 5 to 10 kt after midnight. Waves 1 ft. $$ ANZ534-250900- Chesapeake Bay from Drum Point to Smith Point- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...N winds 5 kt. Waves less than 1 ft. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. A chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Rain with a chance of tstms. .WED...SW winds 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely. .WED NIGHT...W winds 20 to 25 kt. Waves 3 ft. .THU...W winds 20 to 25 kt. Waves 3 ft. .FRI...NW winds 20 to 25 kt. Waves 3 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-250900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 357 PM EST Mon Nov 24 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .REST OF THIS AFTERNOON...NW winds 5 kt. Waves less than 1 ft. .TONIGHT...E winds around 5 kt...becoming SE after midnight. Waves 1 ft or less. .TUE...S winds 10 to 15 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 to 2 ft. A chance of rain. .TUE NIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Rain with a chance of tstms. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely. .WED NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after midnight. Waves 2 ft. .THU...W winds 20 to 25 kt. Waves 2 to 3 ft. .FRI...NW winds 20 to 25 kt. Waves 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$