Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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308 FZUS51 KLWX 301444 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1043 AM EDT Sun Jun 30 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. ANZ500-302000- 1043 AM EDT Sun Jun 30 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A cold front will move through the waters this evening. Showers and thunderstorms will develop during the afternoon to evening hours in association with the cold front. A strong area of high pressure settles over the region through Tuesday. Eventually a warm front approaches from the west before passing to the north on Wednesday. Small Craft Advisories are possible for portions of the waters Wednesday afternoon into Wednesday night. $$ ANZ535-302000- Tidal Potomac from Key Bridge to Indian Head- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...W winds 5 to 10 kt...becoming N with gusts to 20 kt after midnight. Waves 1 ft. Numerous showers and tstms. .MON...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds around 5 kt. Waves 1 ft. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-302000- Tidal Potomac from Indian Head to Cobb Island- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...SW winds 5 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the late evening and overnight. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...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. $$ ANZ537-302000- Tidal Potomac from Cobb Island to Smith Point- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...SW winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft... building to 3 ft after midnight. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt late. Waves 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-302000- Chesapeake Bay north of Pooles Island- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 10 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt...becoming N after midnight. Gusts up to 25 kt. Waves 1 to 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-302000- Chesapeake Bay from Pooles Island to Sandy Point- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. Isolated showers late this morning, then numerous showers and tstms this afternoon. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt... becoming NW with gusts to 20 kt late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 2 to 3 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-302000- Patapsco River including Baltimore Harbor- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Waves 1 ft. Isolated showers late this morning, then numerous showers and tstms this afternoon. .TONIGHT...W winds 10 to 15 kt...becoming N after midnight. Gusts up to 20 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft or less. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-302000- Chester River to Queenstown MD- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 25 kt... diminishing to 10 kt late. Waves 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .TUE...NE winds 5 kt. Waves less than 1 ft. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-302000- Chesapeake Bay from Sandy Point to North Beach- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 5 to 10 kt...becoming W with gusts to 20 kt late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...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. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-302000- Eastern Bay- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 5 to 10 kt...becoming W late in the evening, then becoming N 15 to 20 kt with gusts to 25 kt after midnight. Waves 1 to 2 ft. Showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt...diminishing to 10 kt late. Gusts up to 25 kt. Waves 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-302000- Chesapeake Bay from North Beach to Drum Point- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 5 to 10 kt...becoming W late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 5 kt...increasing to 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. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-302000- Choptank River to Cambridge MD and the Little Choptank River- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...S winds 5 to 10 kt. Waves 1 ft. Scattered showers. Scattered tstms this afternoon. .TONIGHT...S winds 5 to 10 kt...becoming W late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 to 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less... building to 1 to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-302000- Patuxent River to Broomes Island MD- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...SW winds 5 kt. Waves less than 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 5 to 10 kt...becoming NW 10 to 15 kt with gusts to 20 kt in the late evening and early morning, then becoming N with gusts to 20 kt late. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .MON...N winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...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. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-302000- Chesapeake Bay from Drum Point to Smith Point- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...S winds 10 kt. Waves 2 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 10 kt with gusts to 20 kt...becoming NW 15 to 20 kt with gusts to 30 kt after midnight. Waves 2 ft...building to 4 ft after midnight. Showers and numerous tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .MON NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .TUE...E winds 5 to 10 kt. Waves 1 to 2 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-302000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1043 AM EDT Sun Jun 30 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM LATE TONIGHT THROUGH MONDAY AFTERNOON... .REST OF TODAY...S winds 10 kt with gusts to 20 kt. Waves 1 ft. Scattered showers late this morning, then numerous showers and scattered tstms this afternoon. .TONIGHT...S winds 10 kt with gusts to 20 kt...becoming NW with gusts to 25 kt after midnight, then becoming N 15 to 20 kt with gusts to 30 kt late. Waves 2 ft. Showers and numerous tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 2 ft. .MON NIGHT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...S winds 10 to 15 kt. Waves 1 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$