Severe · Special Marine WarningThis alert has expired. It is kept for reference.
Special Marine Warning issued October 31 at 7:57AM PDT until October 31
Affecting Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
In effect until: Oct 31, 2026, 3:30 PM
Coastal Waters From Point Grenville To Cape Shoalwater 10 To 60 Nm
Likely impact; effects through 3:30 PM.
Report severe weather to the Coast Guard or the National Weather Service.
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... * Until 830 AM PDT. * At 757 AM PDT, a severe thunderstorm capable of producing waterspouts was located 35 nm southwest 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™