Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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342 FZUS51 KLWX 261758 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 1257 PM EST Wed Nov 26 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. ANZ500-270900- 1257 PM EST Wed Nov 26 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A strong cold front will push through the area this afternoon and evening. Low pressure will linger over southeastern Canada while high pressure builds across the Midwest and Tennessee Valley through Friday. High pressure will move overhead Saturday, then move offshore Sunday into early next week as the next systems approach from the west. Small Craft Advisories will likely be needed through Friday night, with gales possible Friday. $$ ANZ535-270900- Tidal Potomac from Key Bridge to Indian Head- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH THURSDAY AFTERNOON... .THIS AFTERNOON...SW winds 10 kt with gusts to 25 kt. Waves 1 ft. .TONIGHT...W winds 10 to 15 kt. Gusts up to 35 kt... diminishing to 20 kt after midnight. Waves 1 ft. .THU...W winds 5 to 10 kt with gusts to 25 kt. Waves 1 ft. .THU NIGHT...W winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. .FRI...W winds 10 to 15 kt with gusts to 35 kt. Waves 1 to 2 ft. .FRI NIGHT...W winds 5 to 10 kt. Gusts up to 25 kt in the evening. Waves 1 ft. .SAT...SW winds around 5 kt. Waves 1 ft. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ536-270900- Tidal Potomac from Indian Head to Cobb Island- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH THURSDAY AFTERNOON... .THIS AFTERNOON...SW winds 10 kt with gusts to 25 kt. Waves 1 ft. .TONIGHT...W winds 10 to 15 kt. Gusts up to 30 kt... diminishing to 20 kt after midnight. Waves 1 to 2 ft. .THU...W winds 10 kt with gusts to 25 kt. Waves 1 ft. .THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .FRI NIGHT...W winds 10 to 15 kt. Gusts up to 20 kt in the evening. Waves 1 ft. .SAT...SW winds around 5 kt. Waves 1 ft. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ537-270900- Tidal Potomac from Cobb Island to Smith Point- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...W winds 15 to 20 kt. Gusts up to 25 kt until early morning. Waves 3 ft. .THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ530-270900- Chesapeake Bay north of Pooles Island- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt. Gusts up to 25 kt late. Waves 1 ft. A slight chance of showers. .TONIGHT...W winds 15 to 20 kt. Gusts up to 35 kt... diminishing to 25 kt after midnight. Waves 2 ft. .THU...W winds 10 to 15 kt with gusts to 30 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 1 to 2 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ531-270900- Chesapeake Bay from Pooles Island to Sandy Point- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...W winds 15 to 20 kt. Gusts up to 35 kt until early morning. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. .FRI NIGHT...W winds 20 to 25 kt. Waves 2 to 3 ft. .SAT...NW winds 10 to 15 kt...becoming SW around 5 kt in the afternoon and evening, then becoming S after midnight. Waves 1 ft or less. .SUN...SW winds 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ538-270900- Patapsco River including Baltimore Harbor- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...W winds 10 to 15 kt. Gusts up to 35 kt... diminishing to 25 kt after midnight. Waves 2 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. .THU NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .FRI NIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ539-270900- Chester River to Queenstown MD- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT UNTIL 6 PM EST THIS EVENING... ...GALE WARNING IN EFFECT FROM 6 PM EST THIS EVENING THROUGH LATE TONIGHT... ...SMALL CRAFT ADVISORY IN EFFECT FROM THURSDAY MORNING THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...W winds 15 to 20 kt. Gusts up to 35 kt... diminishing to 25 kt after midnight. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .FRI NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 to 2 ft...subsiding to 1 ft or less. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ532-270900- Chesapeake Bay from Sandy Point to North Beach- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...W winds 15 to 20 kt. Gusts up to 30 kt until early morning. Waves 3 ft. .THU...W winds 15 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. .FRI NIGHT...NW winds 20 to 25 kt. Waves 2 to 3 ft. .SAT...NW winds 10 to 15 kt...becoming SW around 5 kt in the afternoon and evening, then becoming S after midnight. Waves 1 ft. .SUN...SW winds 10 kt...becoming NW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ540-270900- Eastern Bay- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 to 3 ft. .FRI NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .SAT...NW winds 5 to 10 kt...becoming S. Waves 1 ft or less. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ533-270900- Chesapeake Bay from North Beach to Drum Point- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. .FRI NIGHT...NW winds 20 to 25 kt. Gusts up to 30 kt in the evening. Waves 2 to 3 ft. .SAT...NW winds 10 to 15 kt...diminishing to around 5 kt in the afternoon, then becoming S. Waves 1 to 2 ft. .SUN...S winds 10 to 15 kt...becoming NW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ541-270900- Choptank River to Cambridge MD and the Little Choptank River- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .FRI...W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .FRI NIGHT...NW winds 20 to 25 kt. Waves 2 to 3 ft. .SAT...NW winds 10 to 15 kt...becoming SW around 5 kt in the afternoon and evening, then becoming S after midnight. Waves 1 ft or less. .SUN...SW winds 10 to 15 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ542-270900- Patuxent River to Broomes Island MD- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. .TONIGHT...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .THU...W winds 10 kt with gusts to 20 kt. Waves 1 ft. .THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt with gusts to 30 kt. Waves 1 ft. .FRI NIGHT...NW winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 1 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft. .SUN...SW winds 5 to 10 kt...becoming NW after midnight. Waves 1 ft. A chance of rain. $$ ANZ534-270900- Chesapeake Bay from Drum Point to Smith Point- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt... becoming W 15 to 20 kt with gusts to 30 kt in the late evening and overnight. Waves 3 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft. .THU NIGHT...NW winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt with gusts to 30 kt. Waves 4 ft. .FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .SAT...NW winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 to 2 ft...subsiding to 1 ft or less. .SUN...S winds 10 to 15 kt...becoming NW after midnight. Waves 1 to 2 ft. A chance of rain. $$ ANZ543-270900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 1257 PM EST Wed Nov 26 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE THURSDAY NIGHT... .THIS AFTERNOON...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A slight chance of showers. .TONIGHT...SW winds 10 to 15 kt with gusts to 20 kt... becoming NW 15 to 20 kt with gusts to 30 kt in the late evening and overnight. Waves 2 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...NW winds 20 to 25 kt. Waves 2 ft. .FRI...W winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft. .FRI NIGHT...NW winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft. .SAT...NW winds 10 to 15 kt...becoming SE 5 to 10 kt. Waves 1 ft or less. .SUN...S winds 10 to 15 kt...becoming NW after midnight. Waves 1 ft. A chance of rain through the night. $$