Coastal Waters Forecast
Issued by NWS Sterling, VA

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800 FZUS51 KLWX 220938 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 538 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. ANZ500-222100- 538 AM EDT Wed May 22 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A strong cold front will approach the waters through Thursday. This frontal system will settle south of the area Friday before retreating back toward the waters this weekend. $$ ANZ535-222100- Tidal Potomac from Key Bridge to Indian Head- 538 AM EDT Wed May 22 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. Isolated showers and tstms this afternoon. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU...W winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers. .SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SUN...SE winds around 5 kt. Waves 1 ft. A chance of showers. A chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-222100- Tidal Potomac from Indian Head to Cobb Island- 538 AM EDT Wed May 22 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. .TONIGHT...S winds 5 kt. Waves less than 1 ft. Scattered showers. .THU...SW winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .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. $$ ANZ537-222100- Tidal Potomac from Cobb Island to Smith Point- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 5 to 10 kt. Waves 1 to 2 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...E winds 5 kt...becoming SE. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-222100- Chesapeake Bay north of Pooles Island- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt until early morning. Waves 1 ft. Scattered showers. Vsby 1 NM or less. .THU...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...SW 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...S 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. $$ ANZ531-222100- Chesapeake Bay from Pooles Island to Sandy Point- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 1 to 2 ft. Scattered showers. Vsby 1 NM or less. .THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-222100- Patapsco River including Baltimore Harbor- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 5 to 10 kt. Gusts up to 20 kt this afternoon. Waves 1 ft. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the evening. 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. Vsby 1 NM or less. .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. $$ ANZ539-222100- Chester River to Queenstown MD- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... diminishing to 5 kt late. Waves 1 to 2 ft. Scattered showers. .THU...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-222100- Chesapeake Bay from Sandy Point to North Beach- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 2 ft. Scattered showers. .THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. .FRI...SW winds around 5 kt. Waves 1 ft or less. 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. $$ ANZ540-222100- Eastern Bay- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 kt. Waves 1 ft. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... diminishing to 5 kt late. Waves 1 ft. Scattered showers. .THU...SW winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SUN...SE winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-222100- Chesapeake Bay from North Beach to Drum Point- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt until early morning. Waves 2 ft. Scattered showers. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Vsby 1 NM or less. .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 or less. 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. $$ ANZ541-222100- Choptank River to Cambridge MD and the Little Choptank River- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 kt. Waves 1 ft. .TONIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 ft. Scattered showers. .THU...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...E winds 5 kt...becoming S. Waves 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-222100- Patuxent River to Broomes Island MD- 538 AM EDT Wed May 22 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. Vsby 1 NM or less. .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. $$ ANZ534-222100- Chesapeake Bay from Drum Point to Smith Point- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 to 15 kt. Gusts up to 20 kt this afternoon. Waves 1 to 2 ft. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .THU...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers and tstms likely. Patchy fog. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. .FRI NIGHT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SUN...N winds 5 kt...becoming S. Waves 1 ft. A chance of showers. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-222100- Tangier Sound and the inland waters surrounding Bloodsworth Island- 538 AM EDT Wed May 22 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 2 PM EDT THIS AFTERNOON THROUGH LATE TONIGHT... .TODAY...S winds 10 kt. Gusts up to 20 kt this afternoon. Waves 1 ft. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Vsby 1 NM or less. .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. $$