####018013860#### FZUS51 KLWX 150047 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 847 PM EDT Wed May 14 2025 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. Waves flat where waters are iced over. ANZ500-150800- 847 PM EDT Wed May 14 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Low pressure will approach from the southwest, eventually moving east of the area by late Thursday. Another low pressure system will quickly approach the area Friday into Saturday. $$ ANZ535-150800- Tidal Potomac from Key Bridge to Indian Head- 847 PM EDT Wed May 14 2025 .TONIGHT...E winds around 5 kt. Waves 1 ft or less. Showers with isolated tstms early this evening, then scattered showers after midnight. Patchy fog. Vsby 1 NM or less... increasing to 1 to 3 NM after midnight. .THU...SW winds around 5 kt. Waves 1 ft or less. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...Light winds. Waves flat. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-150800- Tidal Potomac from Indian Head to Cobb Island- 847 PM EDT Wed May 14 2025 .TONIGHT...SE winds around 5 kt. Waves 1 ft or less. Numerous showers with isolated tstms early this evening, then scattered showers after midnight. Patchy fog after midnight. Vsby 1 NM or less...increasing to 1 to 3 NM after midnight. .THU...S winds around 5 kt. Waves 1 ft or less. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves 1 ft or less. A chance of showers. Vsby 1 NM or less. .FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-150800- Tidal Potomac from Cobb Island to Smith Point- 847 PM EDT Wed May 14 2025 .TONIGHT...S winds 5 to 10 kt. Waves 1 ft or less. Showers with isolated tstms early this evening, then scattered showers after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .THU...S winds around 5 kt. Waves flat. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-150800- Chesapeake Bay north of Pooles Island- 847 PM EDT Wed May 14 2025 .TONIGHT...E winds 5 to 10 kt. Waves 1 ft or less. Scattered showers with isolated tstms early this evening, then scattered showers after midnight. Patchy fog early this evening. Patchy fog after midnight. Vsby 1 to 3 NM...decreasing to 1 NM or less after midnight. .THU...S winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. Patchy fog. Vsby 1 NM or less. .THU NIGHT...Light winds. Waves flat. A chance of showers. Patchy fog. Vsby 1 NM or less. .FRI...S winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. .FRI NIGHT...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 10 to 15 kt. Waves 1 ft. .MON...NW winds 10 to 15 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-150800- Chesapeake Bay from Pooles Island to Sandy Point- 847 PM EDT Wed May 14 2025 .TONIGHT...E winds 5 kt. Waves less than 1 ft. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog. Vsby 1 to 3 NM. .THU...S winds around 5 kt. Waves flat. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-150800- Patapsco River including Baltimore Harbor- 847 PM EDT Wed May 14 2025 .TONIGHT...NE winds around 5 kt. Waves flat. Isolated tstms early this evening. Numerous showers. Patchy fog. Vsby 1 to 3 NM. .THU...SE winds around 5 kt. Waves flat. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...Light winds. Waves flat. A chance of showers. .FRI...SW winds around 5 kt. Waves flat. A chance of showers and tstms. .FRI NIGHT...SW winds around 5 kt. Waves flat. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-150800- Chester River to Queenstown MD- 847 PM EDT Wed May 14 2025 .TONIGHT...E winds 5 kt. Waves flat. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog. Vsby 1 NM or less...increasing to 1 to 3 NM after midnight. .THU...S winds around 5 kt. Waves flat. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...Light winds. Waves flat. A chance of showers. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...NW winds 10 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-150800- Chesapeake Bay from Sandy Point to North Beach- 847 PM EDT Wed May 14 2025 .TONIGHT...N winds 10 kt...becoming SE late this evening and overnight. Waves 1 ft or less. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog. Vsby 1 to 3 NM. .THU...S winds 5 kt. Waves flat. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-150800- Eastern Bay- 847 PM EDT Wed May 14 2025 .TONIGHT...E winds 5 kt. Waves flat. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog. Vsby 1 NM or less...increasing to 1 to 3 NM after midnight. .THU...S winds around 5 kt. Waves flat. Showers likely. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 10 kt. Waves 1 ft. .MON...NW winds 10 to 15 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-150800- Chesapeake Bay from North Beach to Drum Point- 847 PM EDT Wed May 14 2025 .TONIGHT...N winds 10 kt...becoming SE late this evening and overnight. Waves 1 ft or less. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog after midnight. Vsby 1 to 3 NM. .THU...S winds around 5 kt. Waves 1 ft or less. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-150800- Choptank River to Cambridge MD and the Little Choptank River- 847 PM EDT Wed May 14 2025 .TONIGHT...SE winds 5 kt. Waves flat. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog. Vsby 1 to 3 NM. .THU...S winds 5 kt. Waves flat. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves flat. A chance of showers. Patchy fog. Vsby 1 NM or less. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...NW winds 10 to 15 kt. Waves 1 to 2 ft. .MON...NW winds 10 to 15 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-150800- Patuxent River to Broomes Island MD- 847 PM EDT Wed May 14 2025 .TONIGHT...SE winds around 5 kt. Waves 1 ft or less. Scattered showers with isolated tstms early this evening, then scattered showers after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .THU...S winds around 5 kt. Waves 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds around 5 kt. Waves 1 ft. A chance of showers. .FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-150800- Chesapeake Bay from Drum Point to Smith Point- 847 PM EDT Wed May 14 2025 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Numerous showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers. Vsby 1 to 3 NM. .FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 2 ft. .SUN...NW winds 10 to 15 kt. Waves 2 ft. .MON...NW winds 10 to 15 kt. Waves 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-150800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 847 PM EDT Wed May 14 2025 .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Scattered showers with isolated tstms early this evening, then numerous showers after midnight. Patchy fog after midnight. Vsby 1 to 3 NM. .THU...S winds 5 kt. Waves less than 1 ft. A chance of showers. Patchy fog. Vsby 1 to 3 NM. .THU NIGHT...S winds 5 kt. Waves flat. A chance of showers. Patchy fog. Vsby 1 NM or less. .FRI...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...NW winds 10 to 15 kt. Waves 1 ft. .MON...NW winds 10 to 15 kt. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$