


Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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088 FZUS51 KLWX 061135 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 734 AM EDT Sun Jul 6 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. ANZ500-062000- 734 AM EDT Sun Jul 6 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will continue to move east of the area today while Chantal moves into the Carolinas. This area of low pressure will weaken Monday while a cold front approaches from the northwest. This front will stall nearby through the middle of the week. Small Craft Advisories may be needed for portions of the waters Monday. $$ ANZ535-062000- Tidal Potomac from Key Bridge to Indian Head- 734 AM EDT Sun Jul 6 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Isolated showers and tstms this afternoon. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .MON...S winds around 5 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 to 3 NM. .MON NIGHT...S winds around 5 kt. Waves 1 ft. .TUE...W winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .TUE NIGHT...W winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .THU...S winds around 5 kt. Waves 1 ft. Showers likely through the night. A chance of tstms. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-062000- Tidal Potomac from Indian Head to Cobb Island- 734 AM EDT Sun Jul 6 2025 .TODAY...SE winds 5 to 10 kt. Waves 1 ft or less. Isolated showers and tstms this afternoon. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers. Vsby 1 to 3 NM. .MON...S winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 to 3 NM. .MON NIGHT...S winds around 5 kt. Waves 1 ft. .TUE...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .TUE NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .THU...SW winds around 5 kt. Waves 1 ft. Showers likely through the night. A chance of tstms. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-062000- Tidal Potomac from Cobb Island to Smith Point- 734 AM EDT Sun Jul 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...SE winds 10 to 15 kt. Gusts up to 20 kt late this morning and afternoon. Waves 1 to 2 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers and tstms. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance of showers in the morning, then showers likely. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-062000- Chesapeake Bay north of Pooles Island- 734 AM EDT Sun Jul 6 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. .MON NIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .TUE NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...W winds around 5 kt. Waves flat. A chance of showers and tstms. .THU...S winds around 5 kt. Waves flat. 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. $$ ANZ531-062000- Chesapeake Bay from Pooles Island to Sandy Point- 734 AM EDT Sun Jul 6 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft. .TONIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. Scattered showers. Vsby 1 NM or less. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 to 3 NM. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...SW winds 5 kt. Waves flat. A chance of showers and tstms. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-062000- Patapsco River including Baltimore Harbor- 734 AM EDT Sun Jul 6 2025 .TODAY...SW winds 5 kt...becoming SE this afternoon. Waves 1 ft or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 to 3 NM. .MON NIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .TUE NIGHT...SW winds around 5 kt. Waves flat. A chance of showers and tstms. .WED...W winds around 5 kt. Waves flat. A chance of showers and tstms. .THU...S winds around 5 kt. Waves 1 ft or less. 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. $$ ANZ539-062000- Chester River to Queenstown MD- 734 AM EDT Sun Jul 6 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Isolated showers and tstms this afternoon. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. .MON NIGHT...S winds 5 kt. Waves less than 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...SW winds around 5 kt. Waves flat. A chance of showers and tstms. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-062000- Chesapeake Bay from Sandy Point to North Beach- 734 AM EDT Sun Jul 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 5 to 10 kt...increasing to 15 kt with gusts to 20 kt late. Waves 1 to 2 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU...S winds 5 to 10 kt. Waves 1 ft or less. 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. $$ ANZ540-062000- Eastern Bay- 734 AM EDT Sun Jul 6 2025 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Isolated showers and tstms this afternoon. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .TUE NIGHT...SW winds 5 kt. Waves flat. A chance of showers and tstms. .WED...SW winds 5 kt. Waves flat. A chance of showers and tstms. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers in the morning, then showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-062000- Chesapeake Bay from North Beach to Drum Point- 734 AM EDT Sun Jul 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 5 to 10 kt...increasing to 15 kt with gusts to 20 kt late. Waves 1 to 2 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers and tstms. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers through the day. A chance of tstms. Showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-062000- Choptank River to Cambridge MD and the Little Choptank River- 734 AM EDT Sun Jul 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 5 to 10 kt. Waves 1 ft. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Scattered showers and tstms. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .TUE NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .THU...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers through the day. A chance of tstms. Showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-062000- Patuxent River to Broomes Island MD- 734 AM EDT Sun Jul 6 2025 .TODAY...SE winds 5 to 10 kt. Waves 1 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. .MON...S winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .MON NIGHT...S winds 5 to 10 kt. Waves 1 ft. .TUE...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .TUE NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers through the day. A chance of tstms. Showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-062000- Chesapeake Bay from Drum Point to Smith Point- 734 AM EDT Sun Jul 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...SE winds 10 to 15 kt. Gusts up to 20 kt late this morning and afternoon. Waves 1 to 2 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. Scattered showers and tstms. Vsby 1 NM or less. .MON...S winds 10 to 15 kt. Waves 2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .MON NIGHT...SW winds 10 kt. Waves 1 to 2 ft. .TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance of showers through the day, then showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-062000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 734 AM EDT Sun Jul 6 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM 3 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...SE winds 10 to 15 kt. Gusts up to 20 kt late this morning and afternoon. Waves 1 to 2 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers and tstms. .MON...S winds 10 to 15 kt. Waves 1 to 2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .MON NIGHT...SW winds 10 to 15 kt. Waves 1 ft. A chance of showers and tstms. .TUE...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .TUE NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of tstms. A chance of showers through the day, then showers likely through the night. Winds and waves higher and visibilities lower in and near tstms. $$