Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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994 FZUS51 KLWX 020558 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1258 AM EST Tue Dec 2 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. ANZ500-022100- 1258 AM EST Tue Dec 2 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... The next storm system will move across the region this morning bringing a wintry mix to much of the region. Another disturbance may move through the region later in the week. Small Craft Advisories will likely be needed through the middle of the week, with gales late Tuesday afternoon through Tuesday night. $$ ANZ535-022100- Tidal Potomac from Key Bridge to Indian Head- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...N winds around 5 kt...becoming NW late. Waves 1 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .WED...NW winds around 5 kt. Waves 1 ft. .WED NIGHT...SW winds around 5 kt. Waves 1 ft. .THU...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...SE winds around 5 kt. Waves 1 ft or less. A chance of snow in the evening. A chance of snow and rain after midnight. .SAT...NW winds around 5 kt. Waves 1 ft. $$ ANZ536-022100- Tidal Potomac from Indian Head to Cobb Island- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...N winds 5 to 10 kt. Waves 1 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 10 to 15 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. Waves 1 ft. .THU NIGHT...N winds 10 to 15 kt. Waves 1 ft. .FRI...SE winds around 5 kt. Waves 1 ft. A chance of snow and rain in the evening. A chance of rain after midnight. .SAT...NW winds around 5 kt. Waves 1 ft. $$ ANZ537-022100- Tidal Potomac from Cobb Island to Smith Point- 1258 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE winds 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt...diminishing to around 5 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. .THU...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .THU NIGHT...N winds 15 to 20 kt. Waves 2 ft. .FRI...E winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft or less. A chance of rain through the night. .SAT...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ530-022100- Chesapeake Bay north of Pooles Island- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 5 kt. Waves flat. A chance of rain with a slight chance of freezing rain. .TUE...NE winds 5 to 10 kt...becoming NW late. Waves 1 ft or less. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 10 to 15 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 or less. .THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...E winds around 5 kt. Waves flat. A chance of snow and rain through the night. .SAT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ531-022100- Chesapeake Bay from Pooles Island to Sandy Point- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 5 to 10 kt...becoming N 10 to 15 kt in the afternoon. Waves 1 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft. .WED...NW winds 10 to 15 kt...becoming W 5 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...NW winds 15 to 20 kt. Waves 1 to 2 ft. .THU NIGHT...N winds 15 to 20 kt. Waves 2 ft. .FRI...E winds 5 kt. Waves less than 1 ft. A chance of rain and snow in the evening. A chance of rain after midnight. .SAT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ538-022100- Patapsco River including Baltimore Harbor- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...E winds around 5 kt...becoming NW in the afternoon. Waves 1 ft or less. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .WED...NW winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...SW winds 5 kt. Waves flat. .THU...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...SE winds around 5 kt. Waves flat. A chance of rain and snow in the evening. A chance of rain after midnight. .SAT...NW winds around 5 kt. Waves flat. $$ ANZ539-022100- Chester River to Queenstown MD- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...E winds 5 kt...becoming N in the afternoon. Waves 1 ft or less. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft. .WED...NW winds 5 to 10 kt. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...E winds around 5 kt. Waves 1 ft or less. A chance of rain and snow in the evening. A chance of rain after midnight. .SAT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ532-022100- Chesapeake Bay from Sandy Point to North Beach- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E 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 NM or less. .TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft. .WED...NW winds 10 to 15 kt...becoming W 5 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. Waves 1 to 2 ft. .THU NIGHT...N winds 15 to 20 kt. Gusts up to 25 kt in the evening. Waves 2 to 3 ft. .FRI...SE winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft or less. A chance of rain and snow in the evening. A chance of rain after midnight. .SAT...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ540-022100- Eastern Bay- 1258 AM EST Tue Dec 2 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Rain likely. .TUE...E winds 5 to 10 kt...becoming N 10 to 15 kt in the afternoon. Waves 1 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 15 to 20 kt. Waves 2 ft. .WED...NW winds 10 to 15 kt. Waves 1 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .THU NIGHT...N winds 15 to 20 kt. Waves 1 to 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain and snow in the evening. A chance of rain after midnight. .SAT...NW winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ533-022100- Chesapeake Bay from North Beach to Drum Point- 1258 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE 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 NM or less. .TUE NIGHT...NW winds 20 to 25 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt. 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. Waves 1 to 2 ft. .THU NIGHT...N winds 20 to 25 kt...diminishing to 10 to 15 kt after midnight. Waves 3 ft. .FRI...E winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft or less. A chance of rain through the night. .SAT...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ541-022100- Choptank River to Cambridge MD and the Little Choptank River- 1258 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 5 to 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 20 to 25 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 5 to 10 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 to 2 ft. .THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...E winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft or less. A chance of rain through the night. .SAT...NW winds 5 to 10 kt. Waves 1 ft. $$ ANZ542-022100- Patuxent River to Broomes Island MD- 1258 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...NE winds 5 to 10 kt...becoming NW in the afternoon. Waves 1 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 10 to 15 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. Waves 1 ft. .THU NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain through the night. .SAT...NW winds 5 kt. Waves less than 1 ft. $$ ANZ534-022100- Chesapeake Bay from Drum Point to Smith Point- 1258 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 10 kt. Waves 1 ft. Rain likely. .TUE...E winds 10 to 15 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 ft...building to 3 ft in the afternoon. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 20 to 25 kt. Waves 4 ft. .WED...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 ft...building to 3 ft in the afternoon. .THU NIGHT...N winds 20 to 25 kt. Waves 3 ft. .FRI...NE winds 5 to 10 kt. Waves 1 to 2 ft...subsiding to 1 ft or less. A chance of rain through the night. .SAT...NW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain in the morning. $$ ANZ543-022100- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1258 AM EST Tue Dec 2 2025 ...GALE WARNING IN EFFECT FROM THIS AFTERNOON THROUGH LATE TONIGHT... .OVERNIGHT...E winds 5 kt. Waves less than 1 ft. Rain likely. .TUE...E winds 10 to 15 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. Vsby 1 NM or less. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .WED...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. .THU...W winds 10 kt...becoming NW 15 to 20 kt in the afternoon. Waves 1 to 2 ft. .THU NIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...NE winds 5 to 10 kt. Waves 1 ft or less. A chance of rain through the night. .SAT...NW winds 10 to 15 kt. Waves 1 ft. A chance of rain in the morning. $$