492
WHGM70 PGUM 050651
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
451 PM CHST WED AUG 5 2026
PMZ151>154-052100-
/O.CON.PGUM.SC.Y.0055.000000T0000Z-260806T2000Z/
GUAM COASTAL WATERS-ROTA COASTAL WATERS-TINIAN COASTAL WATERS-
SAIPAN COASTAL WATERS-
451 PM CHST WED AUG 5 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 AM CHST
FRIDAY...
* WHAT...SOUTHWEST TO WEST WINDS 15 TO 25 KT AND SEAS 8 TO
11 FEET EXPECTED.
* WHERE...MARIANAS COASTAL WATERS.
* WHEN...UNTIL 6 AM CHST FRIDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...FRESH TO STRONG WESTERLIES WILL PREVAIL
ACROSS THE MARIANAS TONIGHT, AS A WESTERLY MONSOON SURGE CONTINUES.
COMBINED SEAS OF 8 TO 11 FEET ARE EXPECTED THROUGH THURSDAY, TO
THEN DROP A FOOT AND PERSIST AS SUCH FOR SEVERAL MORE DAYS,
REMAINING HAZARDOUS TO SMALL CRAFT.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.
WILLIAMS
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