Coastal Waters Forecast
Issued by NWS Sterling, VA

Current Version |  Previous Version |  Text Only |  Print | Product List |  Glossary On
Versions: 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50
315 FZUS51 KLWX 230534 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 134 AM EDT Thu May 23 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. ANZ500-232000- 134 AM EDT Thu May 23 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A strong cold front will approach the waters tonight through Thursday. The front will lift north of the waters as a warm front on Friday and will remain to our north throughout the weekend. $$ ANZ535-232000- Tidal Potomac from Key Bridge to Indian Head- 134 AM EDT Thu May 23 2024 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Scattered showers with isolated tstms. .THU...W winds around 5 kt. Waves 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .THU NIGHT...W winds around 5 kt. Waves 1 ft or less. Numerous showers and tstms. Vsby 1 NM or less. .FRI...NW winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of showers. .SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT NIGHT...SW winds around 5 kt. Waves 1 ft or less. .SUN...SE winds around 5 kt. Waves 1 ft or less. A chance of showers in the afternoon. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt...becoming W after midnight. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-232000- Tidal Potomac from Indian Head to Cobb Island- 134 AM EDT Thu May 23 2024 .OVERNIGHT...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...W winds around 5 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .THU NIGHT...Light winds. Waves 1 ft or less. Numerous showers and tstms. Vsby 1 NM or less. .FRI...Light winds. Waves 1 ft or less. A chance of showers. .FRI NIGHT...Light winds. Waves flat. A chance of showers. .SAT...S winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT NIGHT...S winds around 5 kt. Waves 1 ft. .SUN...SE winds around 5 kt. Waves 1 ft or less. A chance of showers in the afternoon. A chance of showers and tstms through the night. .MON...SW winds 5 to 10 kt. Waves 1 ft. A chance of tstms. Showers likely . Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-232000- Tidal Potomac from Cobb Island to Smith Point- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...SW winds 10 kt. Waves 1 ft. Isolated showers. .THU...W winds 5 to 10 kt...becoming E late. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt. Waves 1 ft or less. Numerous showers and tstms. Vsby 1 NM or less. .FRI...NW winds around 5 kt. Waves flat. A chance of showers. Patchy fog. .FRI NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .SAT...SE winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...E winds around 5 kt...becoming SE. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-232000- Chesapeake Bay north of Pooles Island- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .THU NIGHT...W winds around 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...NW winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...SW winds around 5 kt. Waves flat. A chance of showers. .SAT...SE winds around 5 kt. Waves flat. A chance of showers and tstms. .SAT NIGHT...SW winds around 5 kt. Waves flat. A chance of showers and tstms. .SUN...SE winds around 5 kt. Waves flat. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-232000- Chesapeake Bay from Pooles Island to Sandy Point- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .THU NIGHT...W winds around 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. .SUN...E winds 5 kt...becoming S. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-232000- Patapsco River including Baltimore Harbor- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 5 kt. Waves flat. Scattered showers with isolated tstms. .THU...SW winds 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .THU NIGHT...W winds around 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .SAT...SE winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .SAT NIGHT...SW winds around 5 kt. Waves flat. .SUN...SE winds around 5 kt. Waves flat. A chance of showers in the afternoon. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt...becoming W after midnight. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-232000- Chester River to Queenstown MD- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Scattered showers with isolated tstms. .THU...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. .SUN...S winds 5 kt...becoming 5 to 10 kt after midnight. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-232000- Chesapeake Bay from Sandy Point to North Beach- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...N winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .SAT...S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .SAT NIGHT...SW winds 5 kt. Waves less than 1 ft. .SUN...E winds 5 kt...becoming S. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-232000- Eastern Bay- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...SW winds 5 kt. Waves less than 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 kt...becoming S after midnight. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-232000- Chesapeake Bay from North Beach to Drum Point- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...SW winds 5 to 10 kt...becoming N in the afternoon. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...NW winds 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...SE winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...NE winds 5 kt...becoming SE. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 to 2 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-232000- Choptank River to Cambridge MD and the Little Choptank River- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 10 kt. Waves 1 ft. Scattered showers with isolated tstms. .THU...W winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves flat. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds around 5 kt. Waves flat. A chance of showers. .FRI NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .SAT...S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .SAT NIGHT...S winds 5 kt. Waves less than 1 ft. .SUN...SW winds 5 kt...becoming S. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-232000- Patuxent River to Broomes Island MD- 134 AM EDT Thu May 23 2024 .OVERNIGHT...S winds 5 kt. Waves less than 1 ft. Isolated showers and tstms. .THU...W winds 5 kt. Waves less than 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds around 5 kt. Waves 1 ft. Numerous showers and tstms. Vsby 1 NM or less. .FRI...N winds around 5 kt. Waves 1 ft. A chance of showers. Patchy fog. .FRI NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers. .SAT...SE winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT NIGHT...S winds around 5 kt. Waves 1 ft. .SUN...SE winds around 5 kt. Waves 1 ft. A chance of showers and tstms through the night. .MON...S winds 5 to 10 kt. Waves 1 ft. Showers likely with a chance of tstms. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-232000- Chesapeake Bay from Drum Point to Smith Point- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 15 kt. Waves 2 ft. Isolated showers. .THU...SW winds 5 to 10 kt. Waves 1 to 2 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. Patchy fog. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 5 kt...becoming S. Waves 1 ft. A chance of showers and tstms through the night. .MON...S winds 10 to 15 kt...becoming SW after midnight. Waves 2 ft. A chance of showers in the morning. Showers likely. A chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-232000- Tangier Sound and the inland waters surrounding Bloodsworth Island- 134 AM EDT Thu May 23 2024 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 2 AM EDT EARLY THIS MORNING... .OVERNIGHT...S winds 15 kt with gusts to 20 kt. Waves 2 ft. .THU...SW winds 5 to 10 kt. Waves 1 ft. Scattered showers and tstms. Vsby 1 NM or less. .THU NIGHT...SW winds 5 kt. Waves less than 1 ft. Numerous showers and scattered tstms. Vsby 1 NM or less. .FRI...W winds 5 kt. Waves less than 1 ft. A chance of showers. Patchy fog. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT NIGHT...S winds 5 to 10 kt. Waves 1 ft. .SUN...SW winds 5 to 10 kt...becoming S. Waves 1 ft or less. A chance of showers and tstms through the night. .MON...S winds 10 kt. Waves 1 ft. A chance of showers through the day, then showers likely with a chance of tstms through the night. Winds and waves higher and visibilities lower in and near tstms. $$