Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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949 FZUS51 KLWX 212156 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 556 PM EDT Tue May 21 2024 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. ANZ500-220900- 556 PM EDT Tue May 21 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will build over the waters tonight. A strong cold front will approach the waters Wednesday into Thursday. This frontal system will settle south of the area Friday before retreating back toward the waters this weekend. Small Craft Advisories may be needed for portions of the waters Wednesday. $$ ANZ535-220900- Tidal Potomac from Key Bridge to Indian Head- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds around 5 kt. Waves 1 ft. .WED NIGHT...S winds around 5 kt. Waves 1 ft. .THU...SW winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU NIGHT...W winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI...W winds around 5 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT...W winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SUN...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-220900- Tidal Potomac from Indian Head to Cobb Island- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 kt. Waves less than 1 ft. .WED NIGHT...S winds around 5 kt. Waves 1 ft. .THU...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...W winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .FRI...W winds around 5 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SUN...SE winds around 5 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-220900- Tidal Potomac from Cobb Island to Smith Point- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...NW winds 5 kt...becoming SE. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-220900- Chesapeake Bay north of Pooles Island- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...W winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of tstms. .SUN...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-220900- Chesapeake Bay from Pooles Island to Sandy Point- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves flat. A chance of showers and tstms. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of tstms. .SUN...NW winds 5 kt...becoming S. Waves 1 ft or less. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-220900- Patapsco River including Baltimore Harbor- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .WED...S winds 5 to 10 kt. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. .THU...SW winds around 5 kt. Waves flat. Showers likely with a chance of tstms. .THU NIGHT...W winds around 5 kt. Waves flat. A chance of showers and tstms. .FRI...SW winds around 5 kt. Waves flat. A chance of showers and tstms. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers and tstms. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of tstms. .SUN...SE winds 5 kt. Waves less than 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. $$ ANZ539-220900- Chester River to Queenstown MD- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers and tstms. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...S winds 5 kt. Waves less than 1 ft. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-220900- Chesapeake Bay from Sandy Point to North Beach- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 10 kt. Waves 1 to 2 ft. .WED...S winds 5 to 10 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...NW winds 5 kt...becoming SE. Waves 1 ft or less. 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. $$ ANZ540-220900- Eastern Bay- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers and tstms. .SAT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...W winds 5 to 10 kt...becoming SE. Waves 1 ft or less. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-220900- Chesapeake Bay from North Beach to Drum Point- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...NW winds 5 kt...becoming SE. 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. $$ ANZ541-220900- Choptank River to Cambridge MD and the Little Choptank River- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...NW winds 5 to 10 kt...becoming SE. Waves 1 ft or less. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-220900- Patuxent River to Broomes Island MD- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...E winds 5 kt. Waves less than 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. $$ ANZ534-220900- Chesapeake Bay from Drum Point to Smith Point- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 10 kt. Waves 1 ft. Patchy fog after midnight with vsby 1 to 3 NM. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt. Waves 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...NW winds 5 kt...becoming SE. Waves 1 ft. A chance of showers in the afternoon. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-220900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 556 PM EDT Tue May 21 2024 .TONIGHT...S winds 10 kt. Waves 1 ft. Patchy fog after midnight with vsby 1 to 3 NM. .WED...S winds 10 to 15 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...W winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...NW winds 5 kt...becoming S. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$