Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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867 FZUS51 KLWX 162358 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 657 PM EST Sun Nov 16 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. ANZ500-170900- 657 PM EST Sun Nov 16 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Blustery conditions will persist through Monday. A wave of low pressure may approach Tuesday into Wednesday. Small Craft Advisories may need to be extended into Monday night. $$ ANZ535-170900- Tidal Potomac from Key Bridge to Indian Head- 657 PM EST Sun Nov 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt... diminishing to 20 kt late this evening and overnight. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .MON NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt early in the evening. Waves 1 ft. .TUE...W winds around 5 kt. Waves 1 ft. A chance of rain. .TUE NIGHT...SE winds around 5 kt. Waves 1 ft. Rain. .WED...NE winds 5 kt. Waves less than 1 ft. .WED NIGHT...NE winds around 5 kt. Waves 1 ft or less. .THU...SE winds around 5 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft. A chance of rain. $$ ANZ536-170900- Tidal Potomac from Indian Head to Cobb Island- 657 PM EST Sun Nov 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt... becoming W 10 kt with gusts to 25 kt after midnight. Waves 2 to 3 ft... subsiding to 1 ft after midnight. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .TUE...SW winds around 5 kt. Waves 1 ft. A chance of rain. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. .WED...NE winds around 5 kt. Waves 1 ft. .WED NIGHT...NE winds around 5 kt. Waves 1 ft. .THU...SE winds 5 to 10 kt. Waves 1 ft. A chance of rain after midnight. .FRI...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft. A chance of rain in the morning. A chance of rain through the night. $$ ANZ537-170900- Tidal Potomac from Cobb Island to Smith Point- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .TUE...NW winds 5 to 10 kt...becoming SW in the afternoon. Waves 1 ft or less. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain. .WED...NW winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 1 to 2 ft. A chance of rain through the night. $$ ANZ530-170900- Chesapeake Bay north of Pooles Island- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 20 to 25 kt...diminishing to 15 to 20 kt after midnight. Gusts up to 35 kt. Waves 2 ft. .MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .MON NIGHT...W winds 10 to 15 kt. Gusts up to 25 kt until early morning. Waves 1 to 2 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...S winds around 5 kt. Waves flat. Rain likely. .WED...NE winds around 5 kt. Waves flat. .WED NIGHT...NE winds around 5 kt. Waves flat. .THU...E winds 5 to 10 kt. Waves flat. A chance of rain after midnight. .FRI...S winds 10 to 15 kt...becoming SW. Waves 1 to 2 ft. A chance of rain. $$ ANZ531-170900- Chesapeake Bay from Pooles Island to Sandy Point- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft... except 2 to 3 ft near the mouth of the Patapsco. .MON...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NW winds 15 to 20 kt...diminishing to 10 kt late. Gusts up to 25 kt. Waves 2 to 3 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Rain likely. .WED...NE winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ538-170900- Patapsco River including Baltimore Harbor- 657 PM EST Sun Nov 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...W winds 15 to 20 kt. Gusts up to 35 kt... diminishing to 25 kt after midnight. Waves 1 to 2 ft. .MON...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .TUE...W winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 kt. Waves flat. Rain likely. .WED...NE winds 5 kt. Waves flat. .WED NIGHT...NE winds around 5 kt. Waves flat. .THU...E winds around 5 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. $$ ANZ539-170900- Chester River to Queenstown MD- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 20 kt with gusts to 35 kt. Waves 3 ft. .MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain likely. .WED...NE winds 5 kt. Waves less than 1 ft. .WED NIGHT...NE winds around 5 kt. Waves flat. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ532-170900- Chesapeake Bay from Sandy Point to North Beach- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. .MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing to 10 kt late. Waves 2 to 3 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...NE winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 2 to 3 ft. A chance of rain. $$ ANZ540-170900- Eastern Bay- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 2 to 3 ft. .MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .MON NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt until early morning. Waves 1 to 2 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Rain. .WED...NE winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves flat. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ533-170900- Chesapeake Bay from North Beach to Drum Point- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft... subsiding to 3 ft after midnight. .MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing to 10 kt late. Waves 2 to 3 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...NE winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 2 to 3 ft. A chance of rain in the morning. A chance of rain through the night. $$ ANZ541-170900- Choptank River to Cambridge MD and the Little Choptank River- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL MIDNIGHT EST TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EST TONIGHT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 2 ft... except around 3 ft near the mouth of the Choptank. .MON...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt...diminishing to 10 kt late. Waves 2 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Rain. .WED...NE winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 1 to 2 ft. A chance of rain in the morning. A chance of rain through the night. $$ ANZ542-170900- Patuxent River to Broomes Island MD- 657 PM EST Sun Nov 16 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 15 to 20 kt...becoming W 10 kt late. Gusts up to 30 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .MON NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .TUE...W winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Rain. .WED...NE winds 5 kt. Waves less than 1 ft. .WED NIGHT...NE winds around 5 kt. Waves 1 ft. .THU...E winds around 5 kt. Waves 1 ft. A chance of rain after midnight. .FRI...S winds 10 to 15 kt...becoming SW after midnight. Waves 1 ft. A chance of rain in the morning. A chance of rain through the night. $$ ANZ534-170900- Chesapeake Bay from Drum Point to Smith Point- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL 6 AM EST MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. .MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .TUE...W winds 5 to 10 kt. Waves 1 to 2 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft. Rain likely. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...E winds 5 to 10 kt. Waves 1 ft or less. A chance of rain after midnight. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 2 to 3 ft. A chance of rain in the morning. A chance of rain through the night. $$ ANZ543-170900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 657 PM EST Sun Nov 16 2025 ...GALE WARNING IN EFFECT UNTIL 6 AM EST MONDAY... ...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM EST MONDAY THROUGH MONDAY AFTERNOON... .TONIGHT...NW winds 25 kt with gusts to 35 kt. Waves 3 ft. .MON...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .TUE...W winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. .WED...W winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft. .WED NIGHT...NE winds 5 kt. Waves less than 1 ft. .THU...NE winds 5 to 10 kt. Waves 1 ft or less. .FRI...S winds 15 to 20 kt...becoming SW after midnight. Waves 2 ft. A chance of rain through the night. $$