Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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378 FZUS51 KLWX 220535 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 135 AM EDT Wed May 22 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. ANZ500-222000- 135 AM EDT Wed May 22 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. $$ ANZ535-222000- Tidal Potomac from Key Bridge to Indian Head- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU...W winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds around 5 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers. .SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SUN...SE winds around 5 kt. Waves 1 ft. A chance of showers. A chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-222000- Tidal Potomac from Indian Head to Cobb Island- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 kt. Waves less than 1 ft. .THU...SW winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds around 5 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .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...S 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. A chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-222000- Tidal Potomac from Cobb Island to Smith Point- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...E winds 5 kt...becoming SE. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-222000- Chesapeake Bay north of Pooles Island- 135 AM EDT Wed May 22 2024 .OVERNIGHT...SW winds 10 kt. Waves flat. .WED...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU...SW winds 5 kt. Waves flat. Showers likely with a chance of tstms. .THU NIGHT...SW winds around 5 kt. Waves flat. Showers likely with a chance of tstms. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...SW winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves flat. A chance of showers and tstms. .SUN...S winds 5 kt. Waves flat. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-222000- Chesapeake Bay from Pooles Island to Sandy Point- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-222000- Patapsco River including Baltimore Harbor- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 5 kt. Waves flat. .WED...S winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft or less. .WED NIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft or less. Scattered showers and tstms. Vsby 1 NM or less. .THU...SW winds 5 kt. Waves flat. Showers likely with a chance of tstms. .THU NIGHT...SW winds 5 kt. Waves flat. Showers and tstms likely. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt. Waves flat. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-222000- Chester River to Queenstown MD- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt...diminishing to 5 kt late. Waves 1 ft. Scattered showers and tstms. .THU...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-222000- Chesapeake Bay from Sandy Point to North Beach- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 to 2 ft. Scattered showers. .THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .FRI...SW winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...E winds 5 kt...becoming S. Waves 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-222000- Eastern Bay- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt...diminishing to 5 kt late. Waves 1 ft. Scattered showers. .THU...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-222000- Chesapeake Bay from North Beach to Drum Point- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 to 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. Showers and tstms likely. Patchy fog. .FRI...NW winds around 5 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...N winds 5 kt...becoming SE. Waves 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-222000- Choptank River to Cambridge MD and the Little Choptank River- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft or less. Showers and tstms likely. Patchy fog. .FRI...W winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...E winds 5 kt...becoming S. Waves 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-222000- Patuxent River to Broomes Island MD- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...S 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. Showers and tstms likely. Patchy fog. .FRI...NW winds around 5 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-222000- Chesapeake Bay from Drum Point to Smith Point- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...N winds 5 kt...becoming S. Waves 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-222000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 135 AM EDT Wed May 22 2024 .OVERNIGHT...S winds 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. .WED NIGHT...S winds 10 to 15 kt with gusts to 20 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. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. A chance of tstms. .SUN...NE winds 5 kt...becoming S. Waves 1 ft. A chance of showers in the morning. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$