931
WHGM70 PGUM 200614
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
414 PM CHST THU NOV 20 2025
PMZ151>154-210700-
/O.NEW.PGUM.SC.Y.0052.251120T2000Z-251122T0800Z/
GUAM COASTAL WATERS-ROTA COASTAL WATERS-TINIAN COASTAL WATERS-
SAIPAN COASTAL WATERS-
414 PM CHST THU NOV 20 2025
...SMALL CRAFT ADVISORY IN EFFECT FROM 6 AM FRIDAY TO 6 PM CHST
SATURDAY...
* WHAT...EAST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND SEAS
7 TO 10 FEET EXPECTED.
* WHERE...MARIANAS COASTAL WATERS.
* WHEN...FROM 6 AM FRIDAY TO 6 PM CHST SATURDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...SEA CONDITIONS ARE EXPECTED TO WORSEN AS
THE TRADE-WIND SURGE MOVES INTO THE REGION. SEAS ARE EXPECTED
TO PEAK SATURDAY, THEN BEGIN TO SLOWLY TAPER DOWN THROUGH
SUNDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.
BOWSHER
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