####018010009#### FZUS51 KLWX 240534 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 134 AM EDT Thu Jul 24 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. ANZ500-242000- 134 AM EDT Thu Jul 24 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will remain in place across the region through Thursday. Summertime thunderstorms return to the forecast Friday through the weekend as a weak front approaches. Southerly channeling in the Chesapeake Bay this evening into tonight could result in conditions near Small Craft Advisory. $$ ANZ535-242000- Tidal Potomac from Key Bridge to Indian Head- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. .THU...S winds around 5 kt. Waves 1 ft. .THU NIGHT...S winds 5 kt. Waves less than 1 ft. .FRI...SW winds 5 kt. Waves less than 1 ft. .FRI NIGHT...NW winds around 5 kt. Waves 1 ft. .SAT...NE winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT NIGHT...SE winds around 5 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .MON...NW winds around 5 kt. Waves 1 ft or less. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-242000- Tidal Potomac from Indian Head to Cobb Island- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. .THU...S winds around 5 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 kt. Waves less than 1 ft. .SAT...NE winds around 5 kt. Waves 1 ft. .SAT NIGHT...SE winds around 5 kt. Waves 1 ft. .SUN...W winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .MON...NW winds around 5 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-242000- Tidal Potomac from Cobb Island to Smith Point- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...W winds 5 kt. Waves less than 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...SW winds 5 kt. Waves less than 1 ft. .MON...N winds 5 to 10 kt...becoming S. Waves 1 ft or less. $$ ANZ530-242000- Chesapeake Bay north of Pooles Island- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 kt. Waves less than 1 ft. .SAT...NE winds around 5 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .MON...NW winds 5 kt. Waves less than 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-242000- Chesapeake Bay from Pooles Island to Sandy Point- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of showers. A chance of tstms through the night. .MON...N winds 5 kt. Waves less than 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-242000- Patapsco River including Baltimore Harbor- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft or less. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. .FRI...SW winds 5 kt. Waves less than 1 ft. .FRI NIGHT...NW winds 5 kt. Waves less than 1 ft. .SAT...NE winds 5 kt. Waves flat. .SAT NIGHT...SE winds 5 kt. Waves flat. A chance of showers and tstms. .SUN...W winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .MON...NW winds around 5 kt. Waves flat. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-242000- Chester River to Queenstown MD- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 kt. Waves less than 1 ft. .SAT...NE winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...SE winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .MON...N winds around 5 kt. Waves 1 ft or less. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-242000- Chesapeake Bay from Sandy Point to North Beach- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...SW winds 5 to 10 kt. Waves 1 to 2 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of showers and tstms through the night. .MON...N winds 5 kt. Waves less than 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-242000- Eastern Bay- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 kt. Waves less than 1 ft. .SAT...NE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...SE winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms through the night. .MON...N winds 5 kt. Waves less than 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-242000- Chesapeake Bay from North Beach to Drum Point- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 10 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of showers and tstms through the night. .MON...N winds 5 to 10 kt...becoming S. Waves 1 ft or less. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-242000- Choptank River to Cambridge MD and the Little Choptank River- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...SE winds 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 to 15 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft or less. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-242000- Patuxent River to Broomes Island MD- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 5 to 10 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...NW winds around 5 kt. Waves 1 ft. .SAT...NE winds 5 kt. Waves less than 1 ft. .SAT NIGHT...SE winds around 5 kt. Waves 1 ft. .SUN...SW winds around 5 kt. Waves 1 ft. .MON...N winds around 5 kt. Waves 1 ft. $$ ANZ534-242000- Chesapeake Bay from Drum Point to Smith Point- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...SE winds 10 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 to 15 kt...becoming SW late. Waves 2 ft. .FRI...SW winds 5 to 10 kt. Waves 1 to 2 ft. .FRI NIGHT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. .MON...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft. $$ ANZ543-242000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 134 AM EDT Thu Jul 24 2025 .OVERNIGHT...SE winds 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. .THU NIGHT...S winds 10 to 15 kt. Waves 1 ft. .FRI...SW winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. .SAT...N winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. .MON...N winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft. $$