Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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185 FZUS51 KLWX 300257 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 957 PM EST Sat Nov 29 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. ANZ500-300900- 957 PM EST Sat Nov 29 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will move offshore tonight through Sunday. Small Craft conditions are possible Sunday afternoon, but become more likely Sunday night into the first half of Monday as strong northwest winds develop behind a cold front. Additional Small Craft Advisories are likely through the middle of next week with a strong low pressure system moving across the region. $$ ANZ535-300900- Tidal Potomac from Key Bridge to Indian Head- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft. A chance of rain. .SUN NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the late evening and overnight. Waves 1 ft. .MON...N winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain. .TUE...SE winds around 5 kt...becoming N in the afternoon. Waves 1 ft. Rain. .TUE NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of rain. .WED...NW winds 5 to 10 kt...becoming SW. Waves 1 ft. .THU...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft. $$ ANZ536-300900- Tidal Potomac from Indian Head to Cobb Island- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft. A chance of rain. .SUN NIGHT...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt. Waves 1 ft. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain. .TUE...E winds around 5 kt...becoming N in the afternoon. Waves 1 ft. Rain. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A chance of rain. .WED...NW winds 5 to 10 kt...becoming SW. Waves 1 ft. .THU...W winds 5 to 10 kt...becoming N. Waves 1 ft. $$ ANZ537-300900- Tidal Potomac from Cobb Island to Smith Point- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt. Waves 1 ft. A chance of rain. .SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 15 to 20 kt with gusts to 25 kt after midnight. Waves 2 ft. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain. .TUE...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. .THU...NW winds 10 to 15 kt...becoming N after midnight. Waves 1 to 2 ft. $$ ANZ530-300900- Chesapeake Bay north of Pooles Island- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 to 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming NW with gusts to 25 kt after midnight. Waves 1 ft. .MON...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...E winds around 5 kt. Waves 1 ft. A chance of snow and sleet. .TUE...E winds 5 kt...becoming N in the afternoon. Waves 1 ft. Rain. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 ft. .THU...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft. $$ ANZ531-300900- Chesapeake Bay from Pooles Island to Sandy Point- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt...becoming NW with gusts to 25 kt after midnight. Waves 2 to 3 ft. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON NIGHT...SE winds around 5 kt. Waves 1 ft. A chance of rain, snow and sleet. .TUE...SE winds 5 kt...becoming N 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming W 5 to 10 kt. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. $$ ANZ538-300900- Patapsco River including Baltimore Harbor- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 to 10 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt. Waves 1 ft. .MON...N winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...SE winds around 5 kt. Waves flat. A chance of snow and sleet. .TUE...SE winds 5 kt...becoming N with gusts to 20 kt in the afternoon. Waves 1 ft or less. Rain. .TUE NIGHT...NW winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. A chance of rain. .WED...W winds 5 to 10 kt. Waves 1 ft or less. .THU...W winds 10 to 15 kt...becoming NW 5 to 10 kt. Waves 1 ft. $$ ANZ539-300900- Chester River to Queenstown MD- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 15 to 20 kt with gusts to 25 kt after midnight. Waves 2 to 3 ft. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON NIGHT...E winds around 5 kt. Waves 1 ft or less. A chance of rain and snow. .TUE...SE winds 5 kt...becoming N 10 to 15 kt with gusts to 20 kt in the afternoon. Waves flat...building to 2 ft in the afternoon. Rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. .THU...W winds 5 to 10 kt...becoming N after midnight. Waves 1 to 2 ft. $$ ANZ532-300900- Chesapeake Bay from Sandy Point to North Beach- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 10 kt. Waves 1 ft. .SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 15 to 20 kt with gusts to 25 kt after midnight. Waves 2 to 3 ft. .MON...N winds 15 to 20 kt. Waves 2 ft. .MON NIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of rain. .TUE...SE winds 5 to 10 kt...becoming N 15 to 20 kt in the afternoon. Waves 1 to 2 ft. Rain. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt...becoming NW. Waves 1 to 2 ft. $$ ANZ540-300900- Eastern Bay- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt...becoming SW late. Gusts up to 20 kt. Waves 1 to 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming NW 15 to 20 kt with gusts to 25 kt after midnight. Waves 2 ft. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON NIGHT...E winds around 5 kt. Waves flat. A chance of rain. .TUE...E winds 5 kt...becoming N 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 ft. Rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt...becoming N. Waves 1 ft. $$ ANZ533-300900- Chesapeake Bay from North Beach to Drum Point- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 10 kt. Waves 1 ft. .SUN...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the late evening and overnight. Gusts up to 25 kt. Waves 2 to 3 ft. .MON...N winds 15 to 20 kt. Waves 2 to 3 ft. .MON NIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of rain. .TUE...E winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 25 kt in the afternoon. Waves 1 ft...building to 3 ft in the afternoon. Rain. .TUE NIGHT...NW winds 25 to 30 kt. Waves 4 ft. A chance of rain. .WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 2 to 3 ft...subsiding to 1 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft. $$ ANZ541-300900- Choptank River to Cambridge MD and the Little Choptank River- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt with gusts to 20 kt... becoming SW with gusts to 20 kt late. Waves 1 to 2 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...SW winds 10 to 15 kt...becoming NW 15 to 20 kt in the late evening and overnight. Gusts up to 25 kt. Waves 2 to 3 ft. .MON...N winds 15 to 20 kt. Waves 2 ft. .MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain. .TUE...E winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 25 kt in the afternoon. Waves 1 to 2 ft. Rain. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming SW 5 to 10 kt. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt...becoming N. Waves 1 to 2 ft. $$ ANZ542-300900- Patuxent River to Broomes Island MD- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 to 10 kt. Waves 1 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 10 to 15 kt...becoming NW late. Gusts up to 20 kt. Waves 1 ft. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of rain. .TUE...E winds 5 to 10 kt...becoming N 10 to 15 kt with gusts to 20 kt in the afternoon. Waves 1 ft. Rain. .TUE NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft. A chance of rain. .WED...NW winds 10 to 15 kt...becoming SW around 5 kt. Waves 1 ft. .THU...NW winds 5 to 10 kt...becoming N after midnight. Waves 1 ft. $$ ANZ534-300900- Chesapeake Bay from Drum Point to Smith Point- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt...becoming SW late. Gusts up to 20 kt. Waves 2 ft. A chance of rain. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after midnight. Waves 2 ft...building to 4 ft after midnight. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of rain. .TUE...E winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 25 kt in the afternoon. Waves 1 ft...building to 3 ft in the afternoon. Rain. .TUE NIGHT...NW winds 25 to 30 kt. Waves 5 ft. A chance of rain. .WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 3 ft... subsiding to 1 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 2 to 3 ft. $$ ANZ543-300900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 957 PM EST Sat Nov 29 2025 .REST OF TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt...becoming SW late. Gusts up to 20 kt. Waves 1 ft. Rain likely. Vsby 1 to 3 NM. .SUN NIGHT...W winds 15 to 20 kt...becoming NW 20 to 25 kt after midnight. Waves 2 ft. A chance of rain. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of rain. .TUE...NE winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 25 kt in the afternoon. Waves 1 to 2 ft. Rain. .TUE NIGHT...NW winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. A chance of rain. .WED...NW winds 15 to 20 kt...becoming W 5 to 10 kt. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt...becoming N 15 to 20 kt. Waves 1 to 2 ft. $$