Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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975 FZUS51 KLWX 030551 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 151 AM EDT Thu Jul 3 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. ANZ500-032000- 151 AM EDT Thu Jul 3 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will build in for the end of the week. A cold front will approach the waters from the northwest early next week. $$ ANZ535-032000- Tidal Potomac from Key Bridge to Indian Head- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...Light winds. Waves 1 ft or less. .THU...NW winds around 5 kt. Waves 1 ft. .THU NIGHT...NW winds around 5 kt. Waves 1 ft. .FRI...N winds around 5 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves 1 ft or less. .SAT...SE winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds around 5 kt. Waves 1 ft. .SUN...S winds around 5 kt. Waves 1 ft. .MON...S winds around 5 kt. Waves 1 ft. $$ ANZ536-032000- Tidal Potomac from Indian Head to Cobb Island- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves less than 1 ft. .THU...NW winds around 5 kt. Waves 1 ft. .THU NIGHT...NW winds around 5 kt. Waves 1 ft. .FRI...N winds 5 kt. Waves less than 1 ft. .FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less. .SAT...SE winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds around 5 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 kt. Waves less than 1 ft. $$ ANZ537-032000- Tidal Potomac from Cobb Island to Smith Point- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...W winds 5 kt...becoming N late. Waves 1 ft or less. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves 1 ft. .SAT...E winds 5 to 10 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ530-032000- Chesapeake Bay north of Pooles Island- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...NW winds around 5 kt. Waves 1 ft or less. .THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 kt. Waves less than 1 ft. .FRI NIGHT...NE winds around 5 kt. Waves flat. .SAT...SE winds around 5 kt. Waves flat. .SAT NIGHT...S winds 5 kt. Waves flat. .SUN...S winds 5 to 10 kt. Waves 1 ft or less. .MON...S winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ531-032000- Chesapeake Bay from Pooles Island to Sandy Point- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NE winds around 5 kt. Waves 1 ft or less. .SAT...SE winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ538-032000- Patapsco River including Baltimore Harbor- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves flat. .THU NIGHT...NW winds 5 kt. Waves flat. .FRI...N winds 5 kt. Waves flat. .FRI NIGHT...NE winds around 5 kt. Waves flat. .SAT...SE winds around 5 kt. Waves flat. .SAT NIGHT...S winds 5 kt. Waves flat. .SUN...S winds 5 to 10 kt. Waves 1 ft or less. .MON...S winds 5 to 10 kt. Waves 1 ft or less. $$ ANZ539-032000- Chester River to Queenstown MD- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...NW winds 5 kt. Waves less than 1 ft. .FRI...N winds 5 kt. Waves less than 1 ft. .FRI NIGHT...E winds around 5 kt. Waves flat. .SAT...SE winds around 5 kt. Waves flat. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ532-032000- Chesapeake Bay from Sandy Point to North Beach- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...W winds 5 kt...becoming N after midnight. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves 1 ft or less. .SAT...SE winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 to 2 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ540-032000- Eastern Bay- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...NW winds 5 kt. Waves less than 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves flat. .SAT...SE winds around 5 kt. Waves flat. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft or less. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ533-032000- Chesapeake Bay from North Beach to Drum Point- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves flat. .THU NIGHT...W winds 5 to 10 kt...becoming N late. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves 1 ft or less. .SAT...SE winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 to 2 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ541-032000- Choptank River to Cambridge MD and the Little Choptank River- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves flat. .THU...W winds 5 kt. Waves flat. .THU NIGHT...W winds 5 kt...becoming N late. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves 1 ft or less. .SAT...SE winds around 5 kt. Waves flat. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ542-032000- Patuxent River to Broomes Island MD- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves less than 1 ft. .THU...W winds around 5 kt. Waves 1 ft. .THU NIGHT...NW winds around 5 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds around 5 kt. Waves 1 ft. .SAT...SE winds around 5 kt. Waves 1 ft. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$ ANZ534-032000- Chesapeake Bay from Drum Point to Smith Point- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves less than 1 ft. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...SW winds 5 to 10 kt...becoming N late. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 kt. Waves less than 1 ft. .SAT...SE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 10 to 15 kt. Waves 1 to 2 ft. .MON...S winds 5 to 10 kt. Waves 1 to 2 ft. $$ ANZ543-032000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 151 AM EDT Thu Jul 3 2025 .OVERNIGHT...W winds 5 kt. Waves less than 1 ft. .THU...W winds 5 kt. Waves less than 1 ft. .THU NIGHT...SW winds 5 to 10 kt...becoming N late. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 kt. Waves less than 1 ft. .SAT...SE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 10 to 15 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. $$