


Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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114 FZUS51 KLWX 150535 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 134 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- 134 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. $$ ANZ535-152000- Tidal Potomac from Key Bridge to Indian Head- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 5 kt. Waves less than 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .SUN NIGHT...E winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 5 kt. Waves less than 1 ft. A chance of showers. .MON NIGHT...E winds around 5 kt. Waves 1 ft. .TUE...SE winds around 5 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .WED...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-152000- Tidal Potomac from Indian Head to Cobb Island- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 5 to 10 kt. Waves 1 ft. A slight chance of showers and tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. Showers with a chance of tstms. .SUN NIGHT...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. $$ ANZ537-152000- Tidal Potomac from Cobb Island to Smith Point- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN NIGHT...E winds 10 kt. Waves 1 to 2 ft. Showers with a chance of tstms. Vsby 1 NM or less. .MON...NE winds 10 kt. Waves 1 ft. Showers likely. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-152000- Chesapeake Bay north of Pooles Island- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A slight chance of showers. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...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 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. $$ ANZ531-152000- Chesapeake Bay from Pooles Island to Sandy Point- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-152000- Patapsco River including Baltimore Harbor- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .SUN NIGHT...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. $$ ANZ539-152000- Chester River to Queenstown MD- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft or less. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-152000- Chesapeake Bay from Sandy Point to North Beach- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN NIGHT...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. $$ ANZ540-152000- Eastern Bay- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN NIGHT...E winds 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves flat. A chance of showers. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms through the night. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-152000- Chesapeake Bay from North Beach to Drum Point- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. Vsby 1 NM or less. .SUN...E winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .SUN NIGHT...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. $$ ANZ541-152000- Choptank River to Cambridge MD and the Little Choptank River- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN NIGHT...E winds 10 kt. Waves 1 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. .TUE...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms through the night. .THU...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-152000- Patuxent River to Broomes Island MD- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .SUN NIGHT...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. $$ ANZ534-152000- Chesapeake Bay from Drum Point to Smith Point- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 to 2 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .SUN NIGHT...E winds 10 kt. Waves 2 ft. Showers with a chance of tstms. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. .MON NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .WED...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers in the morning, then a chance of showers and tstms through the night. .THU...W winds 10 kt. Waves 2 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-152000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 134 AM EDT Sun Jun 15 2025 .OVERNIGHT...E winds 10 kt. Waves 1 ft. A chance of showers with a slight chance of tstms. .SUN...E winds 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN NIGHT...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. $$