239
WHGM70 PGUM 091939
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
539 AM CHST FRI APR 10 2026
PMZ151>154-100945-
/O.CON.PGUM.SC.Y.0036.000000T0000Z-260412T0800Z/
GUAM COASTAL WATERS-ROTA COASTAL WATERS-TINIAN COASTAL WATERS-
SAIPAN COASTAL WATERS-
539 AM CHST FRI APR 10 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 6 PM CHST
SUNDAY...
* WHAT...NORTHEAST WINDS 15 TO 25 KT WITH GUSTS UP TO 30 KT AND
SEAS 8 TO 11 FEET, INCREASING TO 11 TO 14 FEET.
* WHERE...MARIANAS COASTAL WATERS.
* WHEN...UNTIL 6 PM CHST SUNDAY.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...AS TROPICAL DEPRESSION SINLAKU (04W) CONTINUES
TO STRENGTHEN AND MOVE TOWARD THE MARIANAS, SEAS AND WINDS WILL
CONTINUE TO INCREASE. STRONGEST WINDS AND HIGHEST SEAS WILL BE
FOUND NEAR THE CENTER OF SINLAKU, WHERE DANGEROUS SEAS OF UP TO 25
FEET ARE POSSIBLE BY MONDAY.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.
STANKO
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