Coastal Waters Forecast
Issued by NWS Sterling, VA

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794 FZUS51 KLWX 101436 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1036 AM EDT Fri May 10 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. ANZ500-102000- 1036 AM EDT Fri May 10 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Low pressure slowly pushes to the south today. Another low pressure system will quickly follow late Saturday into Sunday. High pressure will move overhead Sunday night and Monday before the next low pressure system approaches from the west Tuesday into Wednesday. Small Craft Advisories may be needed for portions of the waters Saturday night and again Monday afternoon through Tuesday night. $$ ANZ535-102000- Tidal Potomac from Key Bridge to Indian Head- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Scattered showers. .TONIGHT...NE winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. Scattered showers. .SAT...NW winds around 5 kt. Waves 1 ft. Scattered showers. .SAT NIGHT...S winds around 5 kt. Waves 1 ft. Showers likely. .SUN...NW winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...W winds around 5 kt. Waves 1 ft. .MON...S winds 10 to 15 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in the morning, then showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-102000- Tidal Potomac from Indian Head to Cobb Island- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THIS EVENING... .REST OF TODAY...NE winds 5 to 10 kt...increasing to 15 kt late. Gusts up to 20 kt. Waves 1 ft. Isolated showers late this morning, then scattered showers with isolated tstms this afternoon. .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 ft. Scattered showers. .SAT...N winds 5 to 10 kt...becoming S in the afternoon. Waves 1 ft. Scattered showers. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely. .SUN...NW winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...E winds around 5 kt. Waves 1 ft. .MON...S winds 10 to 15 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in the morning, then showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-102000- Tidal Potomac from Cobb Island to Smith Point- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .REST OF TODAY...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Isolated showers late this morning, then scattered showers with isolated tstms this afternoon. .TONIGHT...NE winds 15 to 20 kt. Waves 2 to 3 ft. Scattered showers. .SAT...N winds 10 to 15 kt with gusts to 20 kt... becoming NE around 5 kt in the afternoon. Waves 1 to 2 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 ft. A chance of showers through the day. Showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-102000- Chesapeake Bay north of Pooles Island- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Numerous showers. .TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers. .SAT...N winds 5 to 10 kt...becoming SE in the afternoon. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 5 kt. Waves less than 1 ft. A chance of showers. .SUN NIGHT...SE winds 5 kt. Waves less than 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-102000- Chesapeake Bay from Pooles Island to Sandy Point- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Numerous showers. .TONIGHT...NE winds 15 to 20 kt. Waves 2 ft. Numerous showers. .SAT...NE winds 5 to 10 kt...becoming S late. Waves 1 ft. .SAT NIGHT...SE winds 10 to 15 kt. Waves 1 ft. A chance of showers. .SUN...S winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft. A chance of showers. .SUN NIGHT...SE winds 5 kt. Waves less than 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-102000- Patapsco River including Baltimore Harbor- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 kt with gusts to 25 kt. Waves 2 ft. Numerous showers. .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 ft. Numerous showers. .SAT...E winds around 5 kt. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely. .SUN...W winds 5 kt. Waves less than 1 ft. A chance of showers. .SUN NIGHT...SE winds 5 kt. Waves less than 1 ft. .MON...S winds 10 to 15 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-102000- Chester River to Queenstown MD- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 to 20 kt. Waves 1 to 2 ft. Numerous showers. .TONIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Numerous showers. .SAT...N winds 5 to 10 kt...becoming SW late. Waves 1 ft or less. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...S winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft. A chance of showers. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-102000- Chesapeake Bay from Sandy Point to North Beach- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 kt with gusts to 25 kt. Waves 2 ft. Scattered showers. .TONIGHT...NE winds 15 to 20 kt. Gusts up to 25 kt until early morning. Waves 2 ft. Scattered showers. .SAT...N winds 10 to 15 kt...becoming E 5 kt in the afternoon. Waves 1 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-102000- Eastern Bay- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers. .TONIGHT...NE winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 to 2 ft. Scattered showers. .SAT...N winds 5 to 10 kt...becoming SW late. Waves 1 ft or less. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...SW winds 5 kt...becoming NW in the afternoon. Waves 1 ft. A chance of showers. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...S winds 5 to 10 kt...increasing to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-102000- Chesapeake Bay from North Beach to Drum Point- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. Scattered showers. .TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. Scattered showers. .SAT...N winds 10 to 15 kt...becoming NE around 5 kt in the afternoon. Waves 1 to 2 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 to 3 ft. A chance of showers through the day. Showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-102000- Choptank River to Cambridge MD and the Little Choptank River- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE TONIGHT... .REST OF TODAY...E winds 15 kt with gusts to 25 kt. Waves 1 to 2 ft. Scattered showers. .TONIGHT...NE winds 15 to 20 kt. Gusts up to 25 kt until early morning. Waves 2 ft. Scattered showers. .SAT...N winds 10 to 15 kt...becoming W around 5 kt in the afternoon. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...NE winds 5 to 10 kt...becoming SE after midnight. Waves 1 ft. .MON...S winds 5 to 10 kt...increasing to 15 kt. Waves 1 to 2 ft. .TUE...S winds 10 to 15 kt. Waves 2 ft. A chance of showers through the day. Showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-102000- Patuxent River to Broomes Island MD- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .REST OF TODAY...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. Isolated showers late this morning, then scattered showers this afternoon. .TONIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Scattered showers. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...NW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...E winds 5 kt. Waves less than 1 ft. .MON...S winds 10 to 15 kt. Waves 1 ft. .TUE...S winds 10 to 15 kt. Waves 1 ft. A chance of showers through the day. Showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-102000- Chesapeake Bay from Drum Point to Smith Point- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .REST OF TODAY...NE winds 10 to 15 kt. Gusts up to 20 kt... increasing to 25 kt late. Waves 1 to 2 ft...building to 3 ft late. Scattered showers with isolated tstms this afternoon. .TONIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Scattered showers. .SAT...N winds 10 to 15 kt with gusts to 20 kt... becoming S around 5 kt late. Waves 3 ft...subsiding to 1 ft in the afternoon. .SAT NIGHT...S winds 10 to 15 kt. Waves 2 ft. A chance of showers. .SUN...NW winds 10 kt. Waves 1 to 2 ft. A chance of showers. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft. .TUE...S winds 10 to 15 kt. Waves 3 ft. A chance of showers through the day. Showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-102000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1036 AM EDT Fri May 10 2024 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH SATURDAY MORNING... .REST OF TODAY...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Scattered showers this afternoon. .TONIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Scattered showers. .SAT...N winds 10 to 15 kt with gusts to 20 kt... becoming W 5 to 10 kt in the afternoon. Waves 1 to 2 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...W winds 5 to 10 kt. Waves 1 ft. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...S winds 15 to 20 kt. Waves 2 ft. A chance of showers in the afternoon. Showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$