####018012790#### FZUS51 KLWX 152335 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 735 PM EDT Thu May 15 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. ANZ500-160800- 735 PM EDT Thu May 15 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... Low pressure will slowly pull away from the area toward southern New England through tonight before dissipating. The next frontal system will approach from the Midwest Friday, then pull offshore Saturday. High pressure will follow Sunday and Monday. Small Craft Advisories may be needed Saturday through Monday. $$ ANZ535-160800- Tidal Potomac from Key Bridge to Indian Head- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves 1 ft or less. Scattered showers. Scattered tstms, mainly this evening. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI NIGHT...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .SUN...W winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 to 10 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds around 5 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-160800- Tidal Potomac from Indian Head to Cobb Island- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Scattered showers and tstms, mainly this evening. .FRI...SW winds around 5 kt. Waves 1 ft. A chance of showers and tstms. Vsby 1 to 3 NM. .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. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 kt. Waves less than 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-160800- Tidal Potomac from Cobb Island to Smith Point- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated tstms. Scattered showers, mainly this evening. .FRI...SW winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 to 2 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-160800- Chesapeake Bay north of Pooles Island- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves 1 ft or less. Isolated showers and tstms after midnight. Patchy fog after midnight with vsby 1 NM or less. .FRI...SW winds around 5 kt. Waves 1 ft. Showers likely with a chance of tstms. Patchy dense fog. Vsby 1 NM or less. .FRI NIGHT...S 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 to 2 ft. A chance of showers and tstms. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .MON...NW winds 10 to 15 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ531-160800- Chesapeake Bay from Pooles Island to Sandy Point- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves flat. Isolated tstms. Isolated showers this evening, then scattered showers after midnight. .FRI...S winds around 5 kt. Waves 1 ft or less. Showers likely with a chance of tstms. Vsby 1 NM or less. .FRI NIGHT...S winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 10 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ538-160800- Patapsco River including Baltimore Harbor- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves flat. Isolated tstms. Isolated showers this evening, then scattered showers after midnight. Patchy fog after midnight with vsby 1 to 3 NM. .FRI...SW winds around 5 kt. Waves flat. Numerous showers with a chance of tstms. Vsby 1 NM or less. .FRI NIGHT...S winds 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...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft or less. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ539-160800- Chester River to Queenstown MD- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves flat. Isolated tstms this evening. Isolated showers. .FRI...SW winds around 5 kt. Waves 1 ft or less. Showers likely with a chance of tstms. Vsby 1 to 3 NM. .FRI NIGHT...S winds 5 kt. Waves flat. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SUN NIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ532-160800- Chesapeake Bay from Sandy Point to North Beach- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated showers and tstms. .FRI...S winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI NIGHT...S 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...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 10 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ540-160800- Eastern Bay- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves flat. Isolated showers and tstms. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. Vsby 1 to 3 NM. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SUN NIGHT...NW winds 10 kt with gusts to 20 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ533-160800- Chesapeake Bay from North Beach to Drum Point- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated showers and tstms. .FRI...S winds 5 to 10 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .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 1 to 2 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 to 2 ft. .TUE...NE winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-160800- Choptank River to Cambridge MD and the Little Choptank River- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated showers and tstms. .FRI...SW winds around 5 kt. Waves 1 ft or less. A chance of showers and tstms. .FRI NIGHT...SW winds 5 kt. Waves less than 1 ft. A chance of showers and tstms. .SAT...SW winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-160800- Patuxent River to Broomes Island MD- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds around 5 kt. Waves 1 ft. Isolated tstms. Scattered showers, mainly this evening. .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. Waves 1 ft. .SAT NIGHT...W winds 5 to 10 kt. Waves 1 ft. .SUN...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .SUN NIGHT...NW winds 5 to 10 kt. Waves 1 ft. .MON...NW winds 5 to 10 kt. Waves 1 ft. .TUE...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-160800- Chesapeake Bay from Drum Point to Smith Point- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated tstms. Scattered showers, mainly this evening. .FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT NIGHT...W winds 10 kt. Waves 2 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SUN NIGHT...NW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .MON...NW winds 10 to 15 kt. Waves 1 to 2 ft. .TUE...N winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers through the night. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-160800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 735 PM EDT Thu May 15 2025 .TONIGHT...S winds 5 kt. Waves less than 1 ft. Isolated tstms. Isolated showers this evening, then scattered showers after midnight. .FRI...S winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .FRI NIGHT...SW winds 5 to 10 kt. Waves 1 ft. A chance of showers and tstms. .SAT...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...W winds 10 kt. Waves 1 ft. .SUN...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SUN NIGHT...NW winds 10 to 15 kt. Waves 1 ft. .MON...NW winds 10 to 15 kt...becoming N after midnight. Waves 1 ft. .TUE...N winds 5 to 10 kt. Waves 1 ft. A chance of showers after midnight. Winds and waves higher and visibilities lower in and near tstms. $$