


Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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332 FZUS51 KLWX 151134 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 734 AM EDT Sun Jun 15 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. ANZ500-152000- 734 AM EDT Sun Jun 15 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A stalled frontal boundary will remain near or just south of the waters through Monday. The front will lift back to the north of the waters as a warm front Tuesday into Wednesday. A stronger cold front will cross the waters late next week. Daily shower and thunderstorm chances are expected to continue during this time. Marginal Small Craft Advisory conditions are possible early this morning and again late week. $$ ANZ535-152000- Tidal Potomac from Key Bridge to Indian Head- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 5 kt. Waves less than 1 ft. A chance of showers. .MON NIGHT...E winds around 5 kt. Waves 1 ft. .TUE...SE winds around 5 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-152000- Tidal Potomac from Indian Head to Cobb Island- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. Vsby 1 NM or less. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds around 5 kt. Waves 1 ft. A chance of showers. .TUE...SE winds around 5 kt. Waves 1 ft. Showers likely. .TUE NIGHT...S 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 through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-152000- Tidal Potomac from Cobb Island to Smith Point- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 to 2 ft. Showers with a chance of tstms. Vsby 1 NM or less. .MON...NE winds 10 kt. Waves 1 ft. Showers likely. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-152000- Chesapeake Bay north of Pooles Island- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 5 to 10 kt. Waves 1 ft. A slight chance of showers this morning, then a chance of showers with a slight chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers likely. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-152000- Chesapeake Bay from Pooles Island to Sandy Point- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A slight chance of showers this morning, then a chance of showers with a slight chance of tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-152000- Patapsco River including Baltimore Harbor- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A slight chance of showers this morning, then showers likely with a chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves flat. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-152000- Chester River to Queenstown MD- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 5 to 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-152000- Chesapeake Bay from Sandy Point to North Beach- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-152000- Eastern Bay- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-152000- Chesapeake Bay from North Beach to Drum Point- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 2 ft. Showers likely. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-152000- Choptank River to Cambridge MD and the Little Choptank River- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-152000- Patuxent River to Broomes Island MD- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 5 to 10 kt. Waves 1 ft. Showers likely. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-152000- Chesapeake Bay from Drum Point to Smith Point- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms this afternoon. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in the morning, then a chance of showers and tstms through the night. .THU...W winds 10 kt. Waves 2 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-152000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 734 AM EDT Sun Jun 15 2025 .TODAY...E winds 10 kt. Waves 1 ft. A chance of showers and tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 1 ft. Showers likely. .MON NIGHT...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers in the morning. .THU...W winds 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$