Coastal Waters Forecast
Issued by NWS Sterling, VA
Issued by NWS Sterling, VA
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275 FZUS51 KLWX 262034 CWFLWX Coastal Waters Forecast National Weather Service Baltimore MD/Washington DC 434 PM EDT Thu Sep 26 2024 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. ANZ500-270800- 434 PM EDT Thu Sep 26 2024 .SYNOPSIS FOR THE TIDAL POTOMAC AND MD PORTION OF THE CHESAPEAKE BAY... High pressure briefly builds to the north this afternoon providing a brief lull in the rain activity through the evening hours. The remnants of Helene spiral around an upper low to the southwest this weekend into early next week. Turning drier with high pressure by the middle of next week. Small Craft Advisories may be needed at times Friday through the weekend. $$ ANZ535-270800- Tidal Potomac from Key Bridge to Indian Head- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...SE winds around 5 kt. Waves 1 ft. .FRI...E winds 5 to 10 kt. Gusts up to 25 kt. Waves 1 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 1 ft. Showers with a chance of tstms. .SAT...S winds 5 kt. Waves less than 1 ft. .SAT NIGHT...E winds 5 kt. Waves less than 1 ft. A chance of showers. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ536-270800- Tidal Potomac from Indian Head to Cobb Island- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of showers. Vsby 1 to 3 NM. .FRI...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. Showers with a chance of tstms. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...E winds 15 to 20 kt with gusts to 25 kt... becoming SE 5 to 10 kt after midnight. Waves 1 to 2 ft. Showers with a chance of tstms. .SAT...S winds 5 kt. Waves less than 1 ft. .SAT NIGHT...SE winds 5 kt. Waves less than 1 ft. A chance of showers. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ537-270800- Tidal Potomac from Cobb Island to Smith Point- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .FRI...SE winds 15 to 20 kt with gusts to 25 kt. Waves 1 ft... building to 3 ft in the afternoon. Showers with a chance of tstms. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 15 to 20 kt. Gusts up to 25 kt in the evening. Waves 2 to 3 ft. Showers likely with a chance of tstms. .SAT...S winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .MON...NE winds 10 kt. Waves 1 to 2 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ530-270800- Chesapeake Bay north of Pooles Island- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SW winds 5 kt. Waves less than 1 ft. .TONIGHT...S winds around 5 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 1 ft. Showers. .SAT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 10 to 15 kt. Waves 1 ft. A chance of showers. .SUN...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. $$ ANZ531-270800- Chesapeake Bay from Pooles Island to Sandy Point- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...S winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...E winds 10 to 15 kt with gusts to 20 kt. Waves 2 ft. Showers. .SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. .MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. $$ ANZ538-270800- Patapsco River including Baltimore Harbor- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...SE winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby 1 to 3 NM. .FRI...E winds 5 to 10 kt. Gusts up to 20 kt in the afternoon. Waves 1 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...E winds 5 to 10 kt with gusts to 20 kt. Waves 1 ft. Showers. .SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. $$ ANZ539-270800- Chester River to Queenstown MD- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...S winds around 5 kt. Waves 1 ft or less. Patchy fog. Vsby 1 to 3 NM. .FRI...E winds 5 to 10 kt. Gusts up to 25 kt. Waves 1 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...E winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 1 ft. Showers. .SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. $$ ANZ532-270800- Chesapeake Bay from Sandy Point to North Beach- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 10 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...S winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...E winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 10 to 15 kt with gusts to 25 kt. Waves 2 to 3 ft. Showers likely. .SAT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. .MON...NE winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. $$ ANZ540-270800- Eastern Bay- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 kt. Waves less than 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...SE winds 5 to 10 kt. Gusts up to 25 kt. Waves 1 ft. A chance of showers. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 1 to 2 ft. Showers likely. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. $$ ANZ533-270800- Chesapeake Bay from North Beach to Drum Point- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. .FRI...SE winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 ft... building to 3 ft in the afternoon. Showers likely. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms. .SAT...S winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 10 to 15 kt. Waves 1 to 2 ft. A chance of showers. .MON...NE winds 10 to 15 kt. Waves 2 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ541-270800- Choptank River to Cambridge MD and the Little Choptank River- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...S winds 5 kt. Waves less than 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 kt. Waves less than 1 ft. .FRI...SE winds 10 to 15 kt with gusts to 25 kt. Waves 1 to 2 ft. Showers likely. .FRI NIGHT...SE winds 10 to 15 kt with gusts to 25 kt. Waves 2 ft. Showers likely. .SAT...S winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SAT NIGHT...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .SUN...E winds 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. $$ ANZ542-270800- Patuxent River to Broomes Island MD- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...SE winds around 5 kt. Waves 1 ft. .FRI...SE winds 10 to 15 kt with gusts to 25 kt. Waves 1 ft. Showers likely. .FRI NIGHT...SE winds 10 to 15 kt. Gusts up to 25 kt in the evening. Waves 1 ft. Showers likely with a chance of tstms. .SAT...S winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 5 to 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ534-270800- Chesapeake Bay from Drum Point to Smith Point- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...SE winds 15 to 20 kt with gusts to 25 kt. Waves 2 to 3 ft. Showers likely with a chance of tstms. .FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt. Waves 3 ft. Showers likely with a chance of tstms. .SAT...S winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...E winds 5 to 10 kt. Waves 1 to 2 ft. A chance of showers. .MON...NE winds 10 kt. Waves 2 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$ ANZ543-270800- Tangier Sound and the inland waters surrounding Bloodsworth Island- 434 PM EDT Thu Sep 26 2024 ...SMALL CRAFT ADVISORY IN EFFECT FROM FRIDAY AFTERNOON THROUGH LATE FRIDAY NIGHT... .REST OF THIS AFTERNOON...SE winds 10 kt. Waves 1 ft. A slight chance of showers. .TONIGHT...SE winds 5 to 10 kt. Waves 1 ft. Patchy fog. Vsby 1 to 3 NM. .FRI...SE winds 10 to 15 kt. Gusts up to 25 kt. Waves 1 to 2 ft. Showers likely. Patchy fog. Vsby 1 to 3 NM. .FRI NIGHT...SE winds 15 to 20 kt with gusts to 25 kt. Waves 2 ft. Showers likely with a chance of tstms. .SAT...S winds 5 to 10 kt. Waves 1 ft. .SAT NIGHT...SE winds 5 to 10 kt. Waves 1 ft. .SUN...E winds 5 to 10 kt. Waves 1 ft. A chance of showers. .MON...NE winds 10 kt. Waves 1 ft. A chance of showers. Winds and waves higher and visibilities lower in and near tstms. $$