š US Weather Warriors MarineCast 2026-09-10
Marine Weather Summary: Marine conditions are currently assessed as hazardous. Active alerts: Coastal Flood Advisory, Small Craft Advisory Forecast text points to a higher-impact marine setup later in the period. Open atlantic waters from lewes to the southern virginia coast looks best sun night with winds SW 5 kt, becoming W after midnight; seas around 2 ft; SW winds 5 kt, becoming W after midnight. Seas around 2 ft., but... Delaware bay near cape henlopen and cape may looks best fri night with winds SE around 5 kt; seas 1 foot or less; SE winds around 5 kt. Seas 1 foot or less. Wave detail: SE 1 foot..., but conditions worsen by sat... The chesapeake bay and delmarva-facing waters looks favorable overall, with winds E 5 kt; E winds 5 kt. Waves flat.. .MARINE... Small craft advisories remain in effect for parts of the Chesapeake Bay. Showers and a...
Atlantic Coastal Waters: ā¢ Summary: Open atlantic waters from lewes to the southern virginia coast looks best sun night with winds SW 5 kt, becoming W after midnight; seas around 2 ft; SW winds 5 kt, becoming W after midnight. Seas around 2 ft., but conditions worsen by fri night with winds E 10 to 15 kt, diminishing to 5 to 10 kt after midnight; gusts 20 kt; seas 2 to 3 ft; A chance of showers after midnight.. Official NWS marine alerts include Coastal Flood Advisory, Small Craft Advisory, Small Craft Advisory. ā¢ Winds: Lightest winds appear in sun night, while the bumpiest winds show up in fri with winds NE 10 to 15 kt with gusts up to 20 kt; gusts 20 kt; seas 2 to 3 ft; A chance of showers in the morning.. ā¢ Seas: Highest seas/waves appear in today with winds SW 15 to 20 kt with gusts up to 30 kt, diminishing to 5 to 10 kt; gusts 30 kt, diminishing to 5 to 10 kt; seas 3 to 5 ft, subsiding to 2 to 3 ft this...; SW winds 15 to 20 kt with gusts up to 30 kt, diminishing to 5 to.... ā¢ Visibility / Weather: showers or thunderstorms are in the forecast at times ā¢ Best Window: Sun Night with winds SW 5 kt, becoming W after midnight; seas around 2 ft; SW winds 5 kt, becoming W after midnight. Seas around 2 ft.
Delaware Bay: ā¢ Summary: Delaware bay near cape henlopen and cape may looks best fri night with winds SE around 5 kt; seas 1 foot or less; SE winds around 5 kt. Seas 1 foot or less. Wave detail: SE 1 foot..., but conditions worsen by sat night with winds SE 10 to 15 kt, becoming S 5 to 10 kt after midnight; seas around 2 ft; A chance of showers in the evening, then showers likely after.... Official NWS marine alerts include Coastal Flood Advisory, Small Craft Advisory, Small Craft Advisory. ā¢ Winds: Lightest winds appear in fri night, while the bumpiest winds show up in sat with winds E 5 to 10 kt, becoming SE 10 to 15 kt in the afternoon; seas 1 foot or less, then around 2 ft in the...; A chance of showers in the afternoon.. ā¢ Waves: Highest seas/waves appear in today with winds SW 15 to 20 kt with gusts up to 25 kt, becoming W 5 to 10 kt; gusts 25 kt, becoming W 5 to 10 kt; seas 2 to 3 ft; SW winds 15 to 20 kt with gusts up to 25 kt, becoming W 5 to 10.... ā¢ Visibility / Weather: showers or thunderstorms are in the forecast at times ā¢ Best Window: Fri Night with winds SE around 5 kt; seas 1 foot or less; SE winds around 5 kt. Seas 1 foot or less. Wave detail: SE 1 foot...
Chesapeake Bay: ā¢ Summary: The chesapeake bay and delmarva-facing waters looks favorable overall, with winds E 5 kt; E winds 5 kt. Waves flat.. .MARINE... Small craft advisories remain in effect for parts of the Chesapeake Bay. Showers and a few thunderstorms are anticipated later today into tonight. A few Special... Official NWS marine alerts include Coastal Flood Advisory, Small Craft Advisory, Small Craft Advisory. ā¢ Winds: Lightest winds appear in fri night, while the bumpiest winds show up in fri night with winds E 10 to 15 kt with gusts up to 20 kt; gusts 20 kt; A chance of showers after midnight.. ā¢ Waves: Highest seas/waves appear in today with winds SW 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to 15 kt with gusts up...; gusts 25 kt, diminishing to 10 to 15...; SW winds 15 to 20 kt with gusts up to 25 kt, diminishing to 10 to.... ā¢ Visibility / Weather: showers or thunderstorms are in the forecast at times ā¢ Best Window: Fri Night with winds E 5 kt; E winds 5 kt. Waves flat.
Marine Alerts:
- Coastal Flood Advisory ā Anne Arundel 2026-09-10T03:19:00-04:00 2026-09-10T08:00:00-04:00
- Small Craft Advisory ā Coastal waters from Cape May NJ to Cape Henlopen DE out 20 NM; Coastal waters from Cape Henlopen to Fenwick Island DE out 20 NM 2026-09-10T03:16:00-04:00 2026-09-10T08:00:00-04:00
- Small Craft Advisory ā Coastal waters from Fenwick Island DE to Chincoteague VA out 20 NM; Coastal waters from Chincoteague to Parramore Island VA out 20 NM; Coastal waters from Parramore Island to Cape Charles Light VA out 20 NM 2026-09-10T02:06:00-04:00 2026-09-10T10:15:00-04:00
- Small Craft Advisory ā Coastal Waters from Cape Charles Light to Virginia-North Carolina border out 20 NM 2026-09-10T02:06:00-04:00 2026-09-10T10:00:00-04:00
- Small Craft Advisory ā Delaware Bay waters north of East Point NJ to Slaughter Beach DE; Delaware Bay waters south of East Point NJ to Slaughter Beach DE 2026-09-10T03:16:00-04:00 2026-09-10T08:00:00-04:00
- Small Craft Advisory ā Chesapeake Bay north of Pooles Island MD; Chesapeake Bay from Pooles Island to Sandy Point MD; Chesapeake Bay from Sandy Point to North Beach MD; Chesapeake Bay from North Beach to Drum Point MD; Patapsco River including Baltimore Harbor; Chester River to Queenstown MD; Eastern Bay; Choptank River to Cambridge MD and the Little Choptank River; Patuxent River to Broomes Island MD 2026-09-10T03:14:00-04:00 2026-09-10T07:00:00-04:00
- +2 more NWS marine-relevant alert(s)
Boater Bottom Line: Best boating window looks like Fri Night with winds E 5 kt; E winds 5 kt. Waves flat.. Worst conditions look like Fri Night with winds E 10 to 15 kt with gusts up to 20 kt; gusts 20 kt; A chance of showers after midnight.. Marine conditions are currently assessed as hazardous. Active alerts: Coastal Flood Advisory,...
Safety: Check the latest official NWS marine forecast before heading out. Conditions can change quickly, especially near storms, inlets, and open water. Boaters should check the latest official NWS marine forecast before heading out. Watch for fast-changing conditions near inlets, bay mouths, bridges, thunderstorms, and coastal fronts. Any watches, warnings, or advisories mentioned here are issued by the National Weather Service. Current marine conditions are classified as hazardous.
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