


Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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970 FZUS51 KLWX 152034 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 433 PM 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. ANZ500-160800- 433 PM 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. $$ ANZ535-160800- Tidal Potomac from Key Bridge to Indian Head- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. Scattered showers. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 kt. Waves less than 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds around 5 kt. Waves 1 ft. A chance of showers. .TUE...SE winds around 5 kt. Waves 1 ft. Showers likely. .TUE NIGHT...S winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-160800- Tidal Potomac from Indian Head to Cobb Island- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .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. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers 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. $$ ANZ537-160800- Tidal Potomac from Cobb Island to Smith Point- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .TONIGHT...E winds 10 kt. Waves 2 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-160800- Chesapeake Bay north of Pooles Island- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Scattered showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .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. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. .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. $$ ANZ531-160800- Chesapeake Bay from Pooles Island to Sandy Point- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-160800- Patapsco River including Baltimore Harbor- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E 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 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. .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. $$ ANZ539-160800- Chester River to Queenstown MD- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-160800- Chesapeake Bay from Sandy Point to North Beach- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 to 15 kt. Waves 1 to 2 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .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. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers 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. $$ ANZ540-160800- Eastern Bay- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-160800- Chesapeake Bay from North Beach to Drum Point- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...NE winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .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. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers 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. $$ ANZ541-160800- Choptank River to Cambridge MD and the Little Choptank River- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-160800- Patuxent River to Broomes Island MD- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 5 to 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 kt. Waves less than 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 kt. Waves less than 1 ft. A chance of showers 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. $$ ANZ534-160800- Chesapeake Bay from Drum Point to Smith Point- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 to 15 kt. Waves 2 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 10 kt. Waves 1 to 2 ft. Showers likely. .WED...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers through the night. .THU...SW winds 10 kt. Waves 2 ft. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-160800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 433 PM EDT Sun Jun 15 2025 .REST OF THIS AFTERNOON...E winds 10 kt. Waves 1 ft. Scattered showers. .TONIGHT...E winds 10 kt. Waves 1 ft. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .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 10 kt. Waves 1 ft. Showers likely. .WED...SW winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 10 kt. Waves 1 ft. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$