


Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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974 FZUS51 KLWX 151435 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1035 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- 1035 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 in the week. Daily shower and thunderstorm chances are expected to continue during this time. Small Craft Advisories may be needed Thursday into Friday. $$ ANZ535-152000- Tidal Potomac from Key Bridge to Indian Head- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 5 kt. Waves less than 1 ft. Numerous sprinkles late this morning, then scattered showers this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. .MON...NE winds 5 kt. Waves less than 1 ft. A chance of showers. .MON NIGHT...E winds around 5 kt. Waves 1 ft. .TUE...SE winds around 5 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-152000- Tidal Potomac from Indian Head to Cobb Island- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers with isolated tstms this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. Vsby 1 to 3 NM. .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. $$ ANZ537-152000- Tidal Potomac from Cobb Island to Smith Point- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then scattered showers with isolated tstms this afternoon. .TONIGHT...E winds 10 kt. Waves 1 to 2 ft. Numerous showers. Vsby 1 to 3 NM. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-152000- Chesapeake Bay north of Pooles Island- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. .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...SE 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. 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. $$ ANZ531-152000- Chesapeake Bay from Pooles Island to Sandy Point- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-152000- Patapsco River including Baltimore Harbor- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. .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. $$ ANZ539-152000- Chester River to Queenstown MD- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-152000- Chesapeake Bay from Sandy Point to North Beach- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Numerous showers. .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. $$ ANZ540-152000- Eastern Bay- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-152000- Chesapeake Bay from North Beach to Drum Point- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Numerous showers. .MON...NE winds 10 kt. Waves 2 ft. A chance of showers. .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. $$ ANZ541-152000- Choptank River to Cambridge MD and the Little Choptank River- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-152000- Patuxent River to Broomes Island MD- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 5 to 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then scattered showers this afternoon. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. .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. 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. $$ ANZ534-152000- Chesapeake Bay from Drum Point to Smith Point- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Numerous sprinkles late this morning, then numerous showers this afternoon. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Numerous showers. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in the morning, then a chance of showers and tstms through the night. .THU...W winds 10 kt. Waves 2 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-152000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1035 AM EDT Sun Jun 15 2025 .REST OF TODAY...E winds 10 kt. Waves 1 ft. Scattered showers this afternoon. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. Vsby 1 to 3 NM. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .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. $$