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Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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215 FZUS51 KLWX 301940 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 340 PM 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. ANZ500-010800- 340 PM 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. $$ ANZ535-010800- Tidal Potomac from Key Bridge to Indian Head- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...SW winds 5 kt. Waves less than 1 ft. Widespread showers and tstms. .TONIGHT...SW winds 5 kt...becoming N with gusts to 20 kt in the late evening and overnight. Waves 1 ft. Numerous showers and tstms. .MON...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...E winds around 5 kt. Waves 1 ft. .TUE NIGHT...S winds around 5 kt. Waves 1 ft. .WED...S winds 5 to 10 kt. Waves 1 ft. .THU...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-010800- Tidal Potomac from Indian Head to Cobb Island- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...SW winds 5 kt. Waves less than 1 ft. Widespread showers and tstms. .TONIGHT...S winds 5 kt...becoming N 10 to 15 kt with gusts to 20 kt in the late evening and overnight. Waves 1 ft. Widespread 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 around 5 kt. Waves 1 ft. .TUE NIGHT...SE winds around 5 kt. Waves 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. $$ ANZ537-010800- Tidal Potomac from Cobb Island to Smith Point- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .TONIGHT...SW winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 25 kt after midnight. Waves 1 ft... building to 3 ft after midnight. Widespread showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .MON NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less... building to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-010800- Chesapeake Bay north of Pooles Island- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft. Widespread showers and tstms. .TONIGHT...W winds 10 to 15 kt with gusts to 20 kt... becoming N 15 to 20 kt with gusts to 25 kt after midnight. Waves 1 to 2 ft. Widespread showers and tstms. .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 to 10 kt. Waves 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. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-010800- Chesapeake Bay from Pooles Island to Sandy Point- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Widespread showers and tstms. .TONIGHT...SW winds 5 to 10 kt...becoming N 15 to 20 kt with gusts to 25 kt in the late evening and overnight. Waves 2 to 3 ft. Widespread showers and tstms. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt. Waves 2 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...S winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-010800- Patapsco River including Baltimore Harbor- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...SW winds 10 kt. Waves 1 ft. Widespread showers and tstms. .TONIGHT...NW winds 10 to 15 kt with gusts to 20 kt... becoming N with gusts to 20 kt late. Waves 1 ft. Numerous showers and tstms. .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...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...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. $$ ANZ539-010800- Chester River to Queenstown MD- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM 10 PM EDT THIS EVENING THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...SW winds 5 kt. Waves less than 1 ft. Widespread showers and tstms. .TONIGHT...SW winds 5 to 10 kt...becoming NW 15 to 20 kt with gusts to 25 kt in the late evening and overnight. Waves 1 ft...building to 3 ft after midnight. Widespread showers and tstms. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...S winds 5 kt. Waves less than 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-010800- Chesapeake Bay from Sandy Point to North Beach- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Widespread showers and tstms. .TONIGHT...S winds 5 to 10 kt...becoming NW 15 to 20 kt with gusts to 25 kt in the late evening and overnight. Waves 1 ft...building to 3 ft after midnight. Widespread showers and tstms. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .MON NIGHT...NE 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...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. $$ ANZ540-010800- Eastern Bay- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Widespread showers and tstms. .TONIGHT...S winds 5 to 10 kt...becoming NW late in the evening, then becoming N 15 to 20 kt with gusts to 25 kt after midnight. Waves 1 to 2 ft. Widespread showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .MON NIGHT...N winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SE winds 5 kt. Waves less than 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less. .THU...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-010800- Chesapeake Bay from North Beach to Drum Point- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .TONIGHT...S winds 5 to 10 kt...becoming W late in the evening, then becoming N 20 to 25 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Widespread showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .MON NIGHT...NE 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. $$ ANZ541-010800- Choptank River to Cambridge MD and the Little Choptank River- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .TONIGHT...S winds 10 kt...becoming W late in the evening, then becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 ft...building to 3 ft after midnight. Widespread showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft or less. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 ft or less... building to 2 ft. .THU...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-010800- Patuxent River to Broomes Island MD- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. Numerous showers and tstms. .TONIGHT...SW winds 5 to 10 kt...becoming N 10 to 15 kt with gusts to 25 kt after midnight. Waves 1 ft. Widespread 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...NE winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .TUE...E winds 5 kt. Waves less than 1 ft. .TUE NIGHT...SE winds around 5 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. $$ ANZ534-010800- Chesapeake Bay from Drum Point to Smith Point- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 2 ft. Numerous showers and tstms. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming N 20 to 25 kt with gusts to 30 kt after midnight. Waves 2 ft... building to 4 ft after midnight. Widespread showers and tstms. Vsby 1 NM or less. .MON...N winds 15 to 20 kt with gusts to 30 kt. Waves 4 ft. .MON NIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. .TUE...E winds 5 to 10 kt. Waves 1 ft. .TUE NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .WED...S winds 10 to 15 kt. Waves 1 to 2 ft...building to 3 ft. .THU...S winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-010800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 340 PM EDT Sun Jun 30 2024 ...SEVERE THUNDERSTORM WATCH 491 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT FROM MIDNIGHT EDT TONIGHT THROUGH MONDAY AFTERNOON... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt... becoming N 15 to 20 kt with gusts to 30 kt after midnight. Waves 1 to 2 ft. Widespread 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 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 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. $$