Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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008 FZUS51 KLWX 011333 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 833 AM EST Mon Dec 1 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. ANZ500-012100- 833 AM EST Mon Dec 1 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will return today. The next storm system will move across the region Tuesday morning, and this could bring a wintry mix to much of the region. Another disturbance will move through the region later in the week. Small Craft Advisories will likely be needed through the middle of the week, with gales possible late Tuesday afternoon through Tuesday night. $$ ANZ535-012100- Tidal Potomac from Key Bridge to Indian Head- 833 AM EST Mon Dec 1 2025 .TODAY...N winds 5 to 10 kt. Waves 1 ft. .TONIGHT...E winds around 5 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...SW winds around 5 kt. Waves 1 ft. .THU...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft. .FRI...S winds around 5 kt. Waves 1 ft. A chance of snow through the night. A chance of rain and freezing rain in the evening, then rain and freezing rain likely after midnight. $$ ANZ536-012100- Tidal Potomac from Indian Head to Cobb Island- 833 AM EST Mon Dec 1 2025 .TODAY...N winds 10 kt...becoming NE late. Waves 1 ft. .TONIGHT...E winds around 5 kt. Waves 1 ft. Rain likely. Vsby 1 to 3 NM. .TUE...NE winds 5 kt...becoming NW 10 to 15 kt in the afternoon. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...SW winds around 5 kt. Waves 1 ft. .THU...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft. .FRI...SE winds around 5 kt. Waves 1 ft. A chance of snow through the night. A chance of rain and freezing rain in the evening, then rain and freezing rain likely after midnight. $$ ANZ537-012100- Tidal Potomac from Cobb Island to Smith Point- 833 AM EST Mon Dec 1 2025 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .TODAY...N winds 10 to 15 kt. Waves 1 to 2 ft. .TONIGHT...E winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...E winds 5 to 10 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow in the afternoon. A chance of rain through the night, then rain likely after midnight. $$ ANZ530-012100- Chesapeake Bay north of Pooles Island- 833 AM EST Mon Dec 1 2025 .TODAY...NW winds 5 to 10 kt. Waves 1 ft. .TONIGHT...E winds around 5 kt. Waves flat. A chance of snow. Vsby 1 to 3 NM. .TUE...NE winds 5 to 10 kt...becoming NW 10 to 15 kt late. Waves 1 ft. Rain with snow likely. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft. .WED...NW winds 10 to 15 kt...diminishing to around 5 kt in the afternoon. Waves 1 ft. .WED NIGHT...SW winds around 5 kt. Waves flat. .THU...W winds 10 to 15 kt...becoming N. Waves 1 ft. .FRI...SE winds around 5 kt. Waves flat. A chance of snow in the evening. Rain and snow likely after midnight. $$ ANZ531-012100- Chesapeake Bay from Pooles Island to Sandy Point- 833 AM EST Mon Dec 1 2025 .TODAY...NW winds 10 to 15 kt...becoming N 5 kt late. Waves 1 to 2 ft. .TONIGHT...E winds 5 kt. Waves less than 1 ft. .TUE...NE winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .WED...NW winds 10 to 15 kt...diminishing to 5 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft. .FRI...SE winds 5 kt. Waves less than 1 ft. A chance of snow through the night. A chance of rain in the evening, then rain likely after midnight. $$ ANZ538-012100- Patapsco River including Baltimore Harbor- 833 AM EST Mon Dec 1 2025 .TODAY...NW winds 10 to 15 kt...becoming N 5 kt late. Waves 1 ft. .TONIGHT...E winds around 5 kt. Waves flat. .TUE...NE winds 5 kt...becoming NW in the afternoon. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...SW winds 5 kt. Waves flat. .THU...NW winds 5 to 10 kt. Waves 1 ft. .FRI...SE winds around 5 kt. Waves flat. A chance of snow in the evening. Rain likely after midnight. $$ ANZ539-012100- Chester River to Queenstown MD- 833 AM EST Mon Dec 1 2025 .TODAY...N winds 5 to 10 kt. Waves 1 to 2 ft. .TONIGHT...E winds around 5 kt. Waves flat. Rain likely. .TUE...NE winds 5 to 10 kt...becoming N 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .WED...NW winds 10 to 15 kt...diminishing to 5 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft. .FRI...SE winds 5 kt. Waves less than 1 ft. A chance of snow through the night. A chance of rain in the evening, then rain likely after midnight. $$ ANZ532-012100- Chesapeake Bay from Sandy Point to North Beach- 833 AM EST Mon Dec 1 2025 .TODAY...N winds 10 to 15 kt. Waves 1 to 2 ft. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 5 to 10 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft. .FRI...SE winds 5 to 10 kt...becoming 5 kt. Waves 1 ft. A chance of snow through the night. A chance of rain in the evening, then rain likely after midnight. $$ ANZ540-012100- Eastern Bay- 833 AM EST Mon Dec 1 2025 .TODAY...N winds 10 to 15 kt...diminishing to 5 kt late. Waves 1 ft. .TONIGHT...E winds around 5 kt. Waves flat. Rain likely. .TUE...NE winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .WED...NW winds 10 to 15 kt with gusts to 20 kt... diminishing to around 5 kt in the afternoon. Waves 1 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N. Waves 1 ft. .FRI...E winds 5 to 10 kt...becoming SE. Waves 1 ft or less. A chance of snow through the night. A chance of rain in the evening, then rain likely after midnight. $$ ANZ533-012100- Chesapeake Bay from North Beach to Drum Point- 833 AM EST Mon Dec 1 2025 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .TODAY...N winds 10 to 15 kt. Waves 1 to 2 ft. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 5 to 10 kt...becoming NW 15 to 20 kt with gusts to 25 kt in the afternoon. Waves 1 ft... building to 3 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .WED...NW winds 15 to 20 kt...diminishing to 5 to 10 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 5 to 10 kt...becoming NW 15 to 20 kt in the afternoon and evening, then becoming N 10 to 15 kt after midnight. Waves 1 to 2 ft...building to 2 to 3 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow through the night. A chance of rain in the evening, then rain likely after midnight. $$ ANZ541-012100- Choptank River to Cambridge MD and the Little Choptank River- 833 AM EST Mon Dec 1 2025 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .TODAY...N winds 10 to 15 kt. Waves 1 to 2 ft. .TONIGHT...E winds around 5 kt. Waves 1 ft or less. Rain likely. .TUE...NE winds 5 to 10 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt. Gusts up to 20 kt in the morning. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft or less. A chance of snow in the afternoon. A chance of rain in the evening, then rain likely after midnight. $$ ANZ542-012100- Patuxent River to Broomes Island MD- 833 AM EST Mon Dec 1 2025 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .TODAY...N winds 10 to 15 kt...diminishing to 5 kt late. Waves 1 ft. .TONIGHT...E winds around 5 kt. Waves 1 ft. Rain likely. .TUE...NE winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...NW winds 10 to 15 kt...becoming N 5 to 10 kt after midnight. Waves 1 ft. .FRI...E winds 5 kt. Waves less than 1 ft. A chance of snow in the afternoon. A chance of rain in the evening, then rain likely after midnight. $$ ANZ534-012100- Chesapeake Bay from Drum Point to Smith Point- 833 AM EST Mon Dec 1 2025 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .TODAY...N winds 10 to 15 kt. Waves 2 to 3 ft. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 10 to 15 kt...becoming NW 20 to 25 kt in the afternoon. Waves 1 ft...building to 3 ft in the afternoon. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 25 to 30 kt. Waves 4 ft. .WED...N winds 15 to 20 kt...becoming NW 5 to 10 kt in the afternoon. Waves 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft...building to 3 ft. .FRI...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of snow in the afternoon. A chance of rain through the night, then rain likely after midnight. $$ ANZ543-012100- Tangier Sound and the inland waters surrounding Bloodsworth Island- 833 AM EST Mon Dec 1 2025 ...GALE WATCH IN EFFECT FROM TUESDAY AFTERNOON THROUGH LATE TUESDAY NIGHT... .TODAY...N winds 10 to 15 kt. Waves 1 to 2 ft. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 10 to 15 kt...becoming NW 15 to 20 kt with gusts to 25 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 to 3 NM. .TUE NIGHT...NW winds 25 to 30 kt. Waves 3 ft. .WED...N winds 15 to 20 kt...becoming NW 5 to 10 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...SW winds 10 to 15 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. A chance of snow in the afternoon. A chance of rain through the night, then rain likely after midnight. $$