Special Marine Warning: Guam Coastal Waters; Rota Coastal Waters

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Special Marine Warning — Guam Coastal Waters; Rota Coastal Waters Severity: Severe. Certainty: Likely. SMWGUM THE NATIONAL WEATHER SERVICE IN TIYAN GUAM HAS ISSUED A * SPECIAL MARINE WARNING FOR... GUAM COASTAL WATERS... ROTA COASTAL WATERS... * UNTIL 730 PM CHST. * AT 628 PM CHST...SEVERE THUNDERSTORMS ASSOCIATED WITH SUPER TYPHOON BAVI ARE PRODUCING WATERSPOUTS AND WERE LOCATED OVER GUAM AND ROTA COASTAL WATERS, MOVING SOUTH AT 40 KNOTS. HAZARD...WATERSPOUTS AND WIND GUSTS TO NEARLY 50 KNOTS. SOURCE...RADAR. IMPACT...WATERSPOUTS CAN EASILY OVERTURN BOATS AND CREATE LOCALLY HAZARDOUS SEAS. SMALL CRAFT COULD BE DAMAGED IN BRIEFLY HIGHER WINDS AND SUDDENLY HIGHER WAVES. * SEVERE THUNDERSTORMS WILL REMAIN OVER MAINLY OPEN WATERS.