


Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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554 FZUS51 KLWX 082334 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 734 PM EDT Wed Oct 8 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. ANZ500-090800- 734 PM EDT Wed Oct 8 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A strong cold front will sag south and east of the area through this evening. High pressure will build in from the north tonight into Thursday, then remain north of the region through Friday. Coastal low pressure will develop along the southeast U.S. coast this weekend before lifting north toward the Delmarva early next week. Small Craft Advisories will likely be needed this weekend, with gales possible at times Saturday night through Monday. $$ ANZ535-090800- Tidal Potomac from Key Bridge to Indian Head- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .TONIGHT...N winds 10 kt with gusts to 20 kt. Waves 1 ft. .THU...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 kt. Waves less than 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft. A chance of showers. .SUN...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. .MON...N winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. $$ ANZ536-090800- Tidal Potomac from Indian Head to Cobb Island- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL MIDNIGHT EDT TONIGHT... .TONIGHT...N winds 15 kt with gusts to 20 kt. Waves 1 ft. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A chance of showers. .SUN...N winds 15 to 20 kt. Waves 2 ft. A chance of showers. .MON...N winds 15 to 20 kt. Waves 2 ft. A chance of showers. $$ ANZ537-090800- Tidal Potomac from Cobb Island to Smith Point- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 20 kt with gusts to 25 kt. Waves 3 ft. .THU...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 3 ft. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 to 2 ft. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 to 3 ft. A chance of showers. .SAT NIGHT...NE winds 20 to 25 kt with gusts to 35 kt. Waves 4 ft. A chance of showers. .SUN...N winds 20 to 25 kt. Waves 5 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 4 ft. A chance of showers. $$ ANZ530-090800- Chesapeake Bay north of Pooles Island- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 15 kt with gusts to 25 kt. Waves 1 to 2 ft. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...E winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. A chance of showers. .SUN...NE winds 15 to 20 kt. Waves 2 to 3 ft. A chance of showers. .MON...N winds 15 to 20 kt. Waves 2 ft. A chance of showers. $$ ANZ531-090800- Chesapeake Bay from Pooles Island to Sandy Point- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 20 kt with gusts to 25 kt. Waves 3 ft. .THU...N winds 15 to 20 kt. Waves 2 ft. .THU NIGHT...NE winds 10 kt. Waves 1 to 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. A chance of showers. .SUN...N winds 20 to 25 kt. Waves 3 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 4 ft. A chance of showers. $$ ANZ538-090800- Patapsco River including Baltimore Harbor- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...N winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...SE winds 5 kt. Waves less than 1 ft. .SAT...E winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. A chance of showers. .SUN...N winds 15 to 20 kt. Waves 2 ft. A chance of showers. .MON...N winds 10 to 15 kt. Waves 2 ft. A chance of showers. $$ ANZ539-090800- Chester River to Queenstown MD- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 15 kt with gusts to 25 kt. Waves 2 ft. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. A chance of showers. .SUN...N winds 15 to 20 kt. Waves 3 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 3 ft. A chance of showers. $$ ANZ532-090800- Chesapeake Bay from Sandy Point to North Beach- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 20 kt with gusts to 25 kt. Waves 3 ft. .THU...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...E winds 5 to 10 kt. Waves 1 to 2 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. A chance of showers. .SUN...NE winds 25 to 30 kt...becoming N 20 to 25 kt after midnight. Waves 4 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 4 ft. A chance of showers. $$ ANZ540-090800- Eastern Bay- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU...N winds 15 to 20 kt...becoming NE 10 kt late. Waves 1 to 2 ft. .THU NIGHT...NE winds 5 to 10 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...NE winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. A chance of showers. .SUN...N winds 20 to 25 kt. Waves 3 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 3 ft. A chance of showers. $$ ANZ533-090800- Chesapeake Bay from North Beach to Drum Point- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 20 kt with gusts to 30 kt. Waves 4 ft. .THU...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. A chance of showers. .SUN...NE winds 25 to 30 kt...becoming N after midnight. Waves 5 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 5 ft. A chance of showers. $$ ANZ541-090800- Choptank River to Cambridge MD and the Little Choptank River- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 20 kt with gusts to 30 kt. Waves 2 ft. .THU...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the morning. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...NE winds 20 to 25 kt with gusts to 30 kt. Waves 2 to 3 ft. A chance of showers. .SUN...NE winds 20 to 25 kt...becoming N after midnight. Waves 3 ft. A chance of showers. .MON...N winds 20 to 25 kt. Waves 3 ft. A chance of showers. $$ ANZ542-090800- Patuxent River to Broomes Island MD- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 15 kt with gusts to 25 kt. Waves 1 ft. .THU...NE winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...NE winds 10 kt with gusts to 20 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .SAT NIGHT...NE winds 10 to 15 kt with gusts to 30 kt. Waves 1 ft. A chance of showers. .SUN...N winds 15 to 20 kt. Waves 1 ft. Showers likely through the day, then a chance of showers through the night. .MON...N winds 15 to 20 kt. Waves 1 to 2 ft. A chance of showers. $$ ANZ534-090800- Chesapeake Bay from Drum Point to Smith Point- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 25 kt with gusts to 30 kt. Waves 4 ft. .THU...NE winds 15 to 20 kt. Gusts up to 30 kt... diminishing to 20 kt in the afternoon. Waves 3 ft. .THU NIGHT...NE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI NIGHT...E winds 10 to 15 kt. Waves 2 ft. .SAT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft. A chance of showers. .SAT NIGHT...NE winds 20 to 25 kt with gusts to 35 kt. Waves 5 ft. A chance of showers. .SUN...N winds 25 to 30 kt. Waves 5 ft...building to 6 ft. Showers likely through the day, then a chance of showers through the night. .MON...N winds 25 to 30 kt. Waves 6 ft. A chance of showers. $$ ANZ543-090800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 734 PM EDT Wed Oct 8 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .TONIGHT...N winds 20 kt with gusts to 30 kt. Waves 2 to 3 ft. .THU...NE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...NE winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .FRI...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI NIGHT...E winds 5 to 10 kt. Waves 1 ft. .SAT...NE winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. A chance of showers. .SAT NIGHT...NE winds 20 to 25 kt with gusts to 35 kt. Waves 2 to 3 ft. A chance of showers. .SUN...NE winds 25 to 30 kt...becoming N after midnight. Waves 3 ft. Showers likely . .MON...N winds 20 to 25 kt. Waves 3 ft. A chance of showers. $$