Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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787 FZUS51 KLWX 252058 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 358 PM EST Tue Nov 25 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. ANZ500-260900- 358 PM EST Tue Nov 25 2025 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... A warm front will lift across the Mid-Atlantic tonight, followed by a cold front crossing from west to east Wednesday morning. A second stronger cold front will follow Wednesday 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. $$ ANZ535-260900- Tidal Potomac from Key Bridge to Indian Head- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH WEDNESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. Rain likely. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 35 kt...diminishing to 5 to 10 kt with gusts to 20 kt after midnight. Waves 1 to 2 ft. .THU...W winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. .THU NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .FRI...W winds 10 to 15 kt...becoming NW 5 kt after midnight. Waves 1 ft. .SAT...SW winds around 5 kt. Waves 1 ft. $$ ANZ536-260900- Tidal Potomac from Indian Head to Cobb Island- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT FROM WEDNESDAY MORNING THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...E winds 5 kt. Waves less than 1 ft. Rain likely. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...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 to 15 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...becoming NW 5 to 10 kt after midnight. Waves 1 to 2 ft. .SAT...SW winds around 5 kt. Waves 1 ft. $$ ANZ537-260900- Tidal Potomac from Cobb Island to Smith Point- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A chance of rain. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain and tstms. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt. Waves 1 to 2 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU...W winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...NW winds 15 to 20 kt. Waves 2 to 3 ft. .SAT...N winds 5 to 10 kt...becoming S. Waves 1 ft or less. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-260900- Chesapeake Bay north of Pooles Island- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...E winds 5 kt. Waves flat. A chance of rain. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 35 kt. Waves 2 ft. .THU...W winds 15 to 20 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. Waves 1 to 2 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft or less. $$ ANZ531-260900- Chesapeake Bay from Pooles Island to Sandy Point- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 2 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 20 to 25 kt with gusts to 35 kt. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft. $$ ANZ538-260900- Patapsco River including Baltimore Harbor- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. Rain. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt. Gusts up to 20 kt in the late evening and overnight. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 5 to 10 kt. Gusts up to 20 kt in the late morning and afternoon. Waves 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...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 25 kt. Waves 1 ft. .THU NIGHT...W winds 15 kt with gusts to 25 kt. Waves 1 ft. .FRI...W winds 15 to 20 kt...becoming NW 5 to 10 kt after midnight. Waves 1 to 2 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft or less. $$ ANZ539-260900- Chester River to Queenstown MD- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH WEDNESDAY AFTERNOON... ...GALE WARNING IN EFFECT FROM WEDNESDAY EVENING THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TONIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 to 2 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 3 ft. .FRI...W winds 15 to 20 kt. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft or less. $$ ANZ532-260900- Chesapeake Bay from Sandy Point to North Beach- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 20 to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft. $$ ANZ540-260900- Eastern Bay- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Rain. Vsby 1 to 3 NM. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Rain. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. A chance of rain. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 30 kt. Waves 2 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .FRI...W winds 15 to 20 kt. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft or less. $$ ANZ533-260900- Chesapeake Bay from North Beach to Drum Point- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 2 ft. Rain likely. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain likely with a chance of tstms. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt. Waves 2 ft. Rain likely. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. .THU NIGHT...W winds 20 to 25 kt. Waves 3 ft. .FRI...NW winds 20 to 25 kt. Waves 3 ft...subsiding to 2 ft after midnight. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-260900- Choptank River to Cambridge MD and the Little Choptank River- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. Rain likely. .TONIGHT...S winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Rain with a chance of tstms. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 1 to 2 ft. Rain likely. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 20 to 25 kt. Waves 3 ft. .FRI...W winds 20 to 25 kt...becoming NW 10 to 15 kt after midnight. Waves 2 to 3 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ542-260900- Patuxent River to Broomes Island MD- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A chance of rain. .TONIGHT...S winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Rain with a chance of tstms. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 kt with gusts to 20 kt. Waves 1 ft. Rain likely. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. .THU...W winds 10 to 15 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...becoming NW 5 to 10 kt after midnight. Waves 1 ft. .SAT...W winds 5 to 10 kt...becoming S. Waves 1 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-260900- Chesapeake Bay from Drum Point to Smith Point- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain. .TONIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Rain likely with a chance of tstms. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain and tstms. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. .THU NIGHT...W winds 20 to 25 kt. Waves 4 ft. .FRI...NW winds 20 to 25 kt. Waves 3 ft. .SAT...NW winds 10 to 15 kt...becoming SW 5 kt in the afternoon and evening, then becoming S after midnight. Waves 1 to 2 ft. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-260900- Tangier Sound and the inland waters surrounding Bloodsworth Island- 358 PM EST Tue Nov 25 2025 ...SMALL CRAFT ADVISORY IN EFFECT THROUGH LATE WEDNESDAY NIGHT... .REST OF THIS AFTERNOON...S winds 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain. .TONIGHT...S winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Rain likely with a chance of tstms. Patchy fog. Vsby 1 to 3 NM. .WED...SW winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. A chance of rain and tstms. Patchy fog. Vsby 1 to 3 NM. .WED NIGHT...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU...W winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. .THU NIGHT...W winds 20 to 25 kt with gusts to 30 kt. Waves 2 ft. .FRI...NW winds 20 to 25 kt. Waves 2 ft. .SAT...NW winds 10 to 15 kt...becoming S 5 to 10 kt. Waves 1 ft or less. Winds and waves higher and visibilities lower in and near tstms. $$