Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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054 FZUS51 KLWX 212334 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 734 PM EDT Sat Sep 21 2024 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. ANZ500-220800- 734 PM EDT Sat Sep 21 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A frontal system will move into the area this afternoon before stalling through Sunday. A strong front and area of low pressure over the Great Lakes and Upper Midwest will approach the area during the early or middle part of next week. Small Craft Advisories may be needed for portions of the waters through Sunday night. $$ ANZ535-220800- Tidal Potomac from Key Bridge to Indian Head- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms this evening, then scattered showers and tstms after midnight. Patchy fog after midnight. Vsby 1 NM or less this evening. .SUN...E winds 5 kt. Waves less than 1 ft. Scattered showers. Patchy fog. .SUN NIGHT...SE winds around 5 kt. Waves 1 ft. .MON...SE winds around 5 kt. Waves 1 ft. .MON NIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered showers. .TUE...SE winds 5 kt. Waves less than 1 ft. Numerous showers. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Showers likely. .WED...SE winds around 5 kt. Waves 1 ft. Showers likely. A chance of tstms. A chance of showers after midnight. .THU...NW winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-220800- Tidal Potomac from Indian Head to Cobb Island- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered tstms. Numerous showers, mainly this evening. Patchy fog after midnight. Vsby 1 NM or less. .SUN...E winds 5 kt. Waves less than 1 ft. Scattered showers. Patchy fog. Vsby 1 NM or less. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...SE winds 5 kt. Waves less than 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...SE winds 5 kt. Waves less than 1 ft. Numerous showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. .WED...SE winds 5 kt. Waves less than 1 ft. Showers likely. A chance of tstms through the night. A chance of showers after midnight. .THU...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-220800- Tidal Potomac from Cobb Island to Smith Point- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less after midnight. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely . .THU...NW winds 5 to 10 kt...becoming S in the evening, then becoming NW after midnight. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-220800- Chesapeake Bay north of Pooles Island- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less after midnight. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. .THU...NW winds 5 to 10 kt. Waves 1 ft. Showers likely in the morning, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-220800- Chesapeake Bay from Pooles Island to Sandy Point- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered tstms. Scattered showers this evening, then numerous showers after midnight. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 10 kt. Waves 1 ft. Showers likely. A chance of tstms. .THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely in the morning, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-220800- Patapsco River including Baltimore Harbor- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered tstms. Numerous showers. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy fog. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...E winds 5 kt. Waves less than 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms. .THU...NW winds 5 to 10 kt. Waves 1 ft. Showers likely in the morning, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-220800- Chester River to Queenstown MD- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft or less. Numerous showers and scattered tstms. Vsby 1 NM or less after midnight. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...E winds 5 kt. Waves less than 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms. .THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely in the morning, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-220800- Chesapeake Bay from Sandy Point to North Beach- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 10 kt. Waves 1 ft. Scattered tstms. Numerous showers, mainly this evening. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .WED...SE winds 10 kt. Waves 1 to 2 ft. Showers likely. A chance of tstms. .THU...W winds 10 kt. Waves 1 ft. Showers likely in the morning, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-220800- Eastern Bay- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered tstms. Scattered showers this evening, then numerous showers after midnight. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms. .THU...W winds 5 to 10 kt. Waves 1 ft. Showers likely in the morning, then a chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-220800- Chesapeake Bay from North Beach to Drum Point- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 10 kt. Waves 1 ft. Scattered tstms. Scattered showers. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms. A chance of showers after midnight. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-220800- Choptank River to Cambridge MD and the Little Choptank River- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 10 kt. Waves 1 ft. Scattered tstms. Scattered showers this evening, then numerous showers after midnight. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...E winds 5 kt. Waves less than 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms. A chance of showers after midnight. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-220800- Patuxent River to Broomes Island MD- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 5 kt. Waves less than 1 ft. Scattered showers and tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. Showers likely. A chance of tstms through the night. A chance of showers after midnight. .THU...NW winds 5 to 10 kt...becoming SE in the evening, then becoming N after midnight. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-220800- Chesapeake Bay from Drum Point to Smith Point- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 10 kt. Waves 1 to 2 ft. Scattered showers and tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .SUN NIGHT...E winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 2 ft. .MON...E winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .TUE NIGHT...SE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .WED...SE winds 10 kt. Waves 1 ft. A chance of showers. .THU...NW winds 10 kt...becoming S in the evening, then becoming NW after midnight. Waves 1 to 2 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-220800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 734 PM EDT Sat Sep 21 2024 .TONIGHT...SE winds 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less after midnight. .SUN...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 NM or less. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...NE winds 5 to 10 kt. Waves 1 ft. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .WED...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...NW winds 5 to 10 kt...becoming S in the evening, then becoming N after midnight. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$