Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 31 at 6:19AM PDT until October 31
Affecting Waters From James Island To Point Grenville 10 To 60 Nm; Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
In effect until: Oct 31, 2026, 1:45 PM
Waters From James Island To Point Grenville 10 To 60 Nm; Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
Likely impact; effects through 1:45 PM.
Thunderstorms can produce sudden waterspouts. Waterspouts can easily overturn boats and create locally hazardous seas. Seek safe harbor immediately.
Read the original bulletin (official text)
SMWSEW The National Weather Service in Seattle has issued a * Special Marine Warning for... Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm... Waters From James Island To Point Grenville 10 To 60 Nm... * Until 645 AM PDT. * At 619 AM PDT, a severe thunderstorm capable of producing waterspouts was located 27 nm west of Point Grenville, moving north at 10 knots. HAZARD...Waterspouts. SOURCE...Radar. IMPACT...Waterspouts can easily overturn boats and create locally hazardous seas. * The severe thunderstorm will remain over mainly open waters.
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Alert data: U.S. National Weather Service / NOAA · Translation: WeatherTranslate™