Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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424 FZUS51 KLWX 170234 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1034 PM EDT Tue Jul 16 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. ANZ500-170800- 1034 PM EDT Tue Jul 16 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure will remain off the coast through tonight. A cold front will move into the area Wednesday into Thursday. The front will stall south of the area for the end of the week. Small Craft Advisories may be needed for portions of the waters Wednesday into Wednesday night and again Thursday night. $$ ANZ535-170800- Tidal Potomac from Key Bridge to Indian Head- 1034 PM EDT Tue Jul 16 2024 .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Scattered tstms with isolated showers late this evening. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...N winds 5 kt. Waves less than 1 ft. Scattered showers. .THU NIGHT...N winds around 5 kt. Waves 1 ft. .FRI...NE winds around 5 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves 1 ft or less. .SAT...S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms through the night. .SUN...W winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-170800- Tidal Potomac from Indian Head to Cobb Island- 1034 PM EDT Tue Jul 16 2024 .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. Scattered tstms with isolated showers late this evening. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 5 kt. Waves less than 1 ft. Scattered showers and tstms. .THU NIGHT...N winds 5 kt. Waves less than 1 ft. .FRI...NE winds around 5 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves 1 ft or less. .SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .SUN...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. $$ ANZ537-170800- Tidal Potomac from Cobb Island to Smith Point- 1034 PM EDT Tue Jul 16 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Scattered tstms with isolated showers late this evening. .WED...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SE winds around 5 kt. Waves 1 ft or less. .SAT...S winds around 5 kt. Waves 1 ft or less. A chance of showers. A chance of tstms. .SUN...S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-170800- Chesapeake Bay north of Pooles Island- 1034 PM EDT Tue Jul 16 2024 ...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. Numerous showers and scattered tstms late this evening, then isolated showers and tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...W winds 5 to 10 kt. Waves 1 ft. Showers and numerous tstms. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...NW winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds around 5 kt. Waves flat. .SUN...W winds around 5 kt. Waves flat. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-170800- Chesapeake Bay from Pooles Island to Sandy Point- 1034 PM EDT Tue Jul 16 2024 ...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers and scattered tstms late this evening, then scattered showers with isolated tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 kt. Waves 1 ft. Showers and numerous tstms. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 5 kt. Waves less than 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-170800- Patapsco River including Baltimore Harbor- 1034 PM EDT Tue Jul 16 2024 ...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 11 PM EDT THIS EVENING... .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms late this evening, then isolated showers and tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. Showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Showers and numerous tstms. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft or less. .FRI...NE winds 5 to 10 kt. Waves 1 ft or less. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds around 5 kt. Waves 1 ft or less. .SUN...SW winds around 5 kt. Waves flat. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-170800- Chester River to Queenstown MD- 1034 PM EDT Tue Jul 16 2024 ...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. Numerous showers and scattered tstms late this evening, then scattered showers with isolated tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 kt. Waves 1 ft. Showers and numerous tstms. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds around 5 kt. Waves 1 ft or less. .SUN...SW winds 5 kt. Waves flat. A chance of showers and tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-170800- Chesapeake Bay from Sandy Point to North Beach- 1034 PM EDT Tue Jul 16 2024 ...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers. Scattered tstms late this evening, then isolated tstms. .WED...S winds 5 to 10 kt. Waves 1 to 2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 kt. Waves 1 to 2 ft. Showers and numerous tstms. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers through the night. .SUN...SW winds 5 kt...becoming S. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-170800- Eastern Bay- 1034 PM EDT Tue Jul 16 2024 ...SEVERE THUNDERSTORM WATCH 548 IN EFFECT UNTIL 11 PM EDT THIS EVENING... ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 kt. Waves 1 ft. Scattered showers. Scattered tstms late this evening, then isolated tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 kt. Waves 1 ft. Showers and numerous tstms. Vsby 1 NM or less. .THU...N winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds around 5 kt. Waves 1 ft or less. .SUN...SW winds 5 kt. Waves flat. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-170800- Chesapeake Bay from North Beach to Drum Point- 1034 PM EDT Tue Jul 16 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Isolated showers. Scattered tstms late this evening, then isolated tstms. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 kt. Waves 1 to 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 to 2 ft. .FRI...NE winds 5 to 10 kt. Waves 1 to 2 ft. .FRI NIGHT...S winds around 5 kt. Waves 1 ft or less. .SAT...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers through the night. .SUN...SW winds 5 kt...becoming S. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-170800- Choptank River to Cambridge MD and the Little Choptank River- 1034 PM EDT Tue Jul 16 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Isolated showers. Scattered tstms late this evening, then isolated tstms. .WED...SW winds 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. .FRI...N winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves flat. .SAT...S winds around 5 kt. Waves 1 ft or less. A chance of showers through the night. .SUN...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-170800- Patuxent River to Broomes Island MD- 1034 PM EDT Tue Jul 16 2024 .REST OF TONIGHT...SW winds 5 to 10 kt. Waves 1 ft. Isolated showers. Scattered tstms late this evening, then isolated tstms. .WED...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 5 to 10 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. .THU NIGHT...N winds 5 kt. Waves less than 1 ft. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. .SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SUN...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. $$ ANZ534-170800- Chesapeake Bay from Drum Point to Smith Point- 1034 PM EDT Tue Jul 16 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 15 kt with gusts to 20 kt. Waves 2 ft. Scattered tstms with isolated showers late this evening. .WED...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 10 kt. Waves 1 to 2 ft. Numerous showers and scattered tstms. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. .FRI...NE winds 5 to 10 kt. Waves 1 to 2 ft. .FRI NIGHT...SE winds 5 kt. Waves less than 1 ft. .SAT...SE winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft. A chance of showers. A chance of tstms. .SUN...SW winds 5 kt...becoming 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-170800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1034 PM EDT Tue Jul 16 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 AM EDT WEDNESDAY... .REST OF TONIGHT...SW winds 15 kt with gusts to 20 kt. Waves 2 ft. Isolated showers and tstms late this evening. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Scattered showers and tstms. Vsby 1 NM or less. .WED NIGHT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU...NW winds 5 to 10 kt. Waves 1 ft. Numerous showers and scattered tstms. .THU NIGHT...N winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. .FRI...NE winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SE winds 5 kt. Waves flat. .SAT...SE winds 5 to 10 kt...becoming SW after midnight. Waves 1 ft or less. A chance of showers. A chance of tstms. .SUN...SW winds 5 kt...becoming 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. Winds and waves higher and visibilities lower in and near tstms. $$