Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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214 FZUS51 KLWX 211027 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 627 AM 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. ANZ500-212000- 627 AM EDT Tue May 21 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will build over the waters today. 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. $$ ANZ535-212000- Tidal Potomac from Key Bridge to Indian Head- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 kt. Waves less than 1 ft. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds around 5 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. .THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers. A chance of tstms. .SAT...SE winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-212000- Tidal Potomac from Indian Head to Cobb Island- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 kt. Waves less than 1 ft. .WED NIGHT...S winds 5 kt. Waves less than 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...SW winds around 5 kt. Waves 1 ft. A chance of showers. A chance of tstms. .SAT...S winds around 5 kt. Waves 1 ft. Showers likely. A chance of tstms. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-212000- Tidal Potomac from Cobb Island to Smith Point- 627 AM EDT Tue May 21 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...S winds 5 kt...becoming SE this afternoon. Waves 1 ft or less. Areas of dense fog this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 to 2 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .SAT...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of tstms in the morning. Showers likely. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-212000- Chesapeake Bay north of Pooles Island- 627 AM EDT Tue May 21 2024 .TODAY...SW winds 5 to 10 kt. Waves 1 ft. Patchy fog this morning with vsby 1 to 3 NM. .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...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .SAT...E winds around 5 kt. Waves 1 ft. A chance of tstms in the morning. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-212000- Chesapeake Bay from Pooles Island to Sandy Point- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...W winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .SAT...E winds 5 kt. Waves less than 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-212000- Patapsco River including Baltimore Harbor- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. .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. Showers likely with a chance of tstms. .THU NIGHT...W winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .FRI...SW winds around 5 kt. Waves flat. A chance of showers. A chance of tstms. .SAT...E winds 5 kt. Waves less than 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-212000- Chester River to Queenstown MD- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms through the night. .SAT...SE winds 5 kt. Waves less than 1 ft. A chance of tstms in the morning. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-212000- Chesapeake Bay from Sandy Point to North Beach- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 10 kt. Waves 2 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 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. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .SAT...SE winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft. A chance of tstms in the morning. Showers likely. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-212000- Eastern Bay- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 kt. Waves 1 ft. .WED NIGHT...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves flat. A chance of showers. A chance of tstms through the night. .SAT...SE winds 5 kt. Waves less than 1 ft. A chance of tstms in the morning. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-212000- Chesapeake Bay from North Beach to Drum Point- 627 AM EDT Tue May 21 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...S winds 5 to 10 kt. Waves 1 ft. Areas of dense fog this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .WED NIGHT...S winds 10 to 15 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. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .SAT...SE winds 5 to 10 kt...becoming N after midnight. Waves 1 ft. A chance of tstms in the morning. Showers likely. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-212000- Choptank River to Cambridge MD and the Little Choptank River- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this morning with vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .WED NIGHT...S winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...SW winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .SAT...S winds 5 to 10 kt...becoming NE after midnight. Waves 1 ft. A chance of tstms in the morning. Showers likely. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-212000- Patuxent River to Broomes Island MD- 627 AM EDT Tue May 21 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...S winds 5 to 10 kt. Waves 1 ft. Areas of dense fog this morning with vsby 1 NM or less. .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...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...S winds 5 kt. Waves less than 1 ft. A chance of showers. A chance of tstms. .SAT...S winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of tstms in the morning. Showers likely. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-212000- Chesapeake Bay from Drum Point to Smith Point- 627 AM EDT Tue May 21 2024 ...DENSE FOG ADVISORY IN EFFECT UNTIL 10 AM EDT THIS MORNING... .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Areas of dense fog this morning with vsby 1 NM or less. .TONIGHT...S winds 10 kt. Waves 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED...S winds 10 to 15 kt. Gusts up to 20 kt in the afternoon. Waves 1 to 2 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU...S winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers and tstms. .FRI...SW winds 5 kt...becoming S. Waves 1 ft. A chance of showers. A chance of tstms through the night. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of tstms in the morning. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-212000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 627 AM EDT Tue May 21 2024 .TODAY...S winds 5 to 10 kt. Waves 1 ft or less. Patchy fog this morning with vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. 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 with gusts to 20 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .THU NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI...W winds 5 kt...becoming S. Waves 1 ft. A chance of showers and tstms through the night. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of tstms in the morning. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$