292
WHGM70 PGUM 301900
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
500 AM CHST FRI JUL 31 2026
PMZ151-310900-
/O.NEW.PGUM.GL.A.0001.260801T2000Z-260804T2000Z/
GUAM COASTAL WATERS-
500 AM CHST FRI JUL 31 2026
...GALE WATCH IN EFFECT FROM SUNDAY MORNING THROUGH LATE TUESDAY
NIGHT...
* WHAT...WEST WINDS 15 TO 25 KT WITH FREQUENT GUSTS UP TO 35 KT AND
SEAS 7 TO 12 FEET POSSIBLE.
* WHERE...GUAM COASTAL WATERS.
* WHEN...FROM SUNDAY MORNING THROUGH LATE TUESDAY NIGHT.
* IMPACTS...STRONG WINDS CAN CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...A MONSOON SURGE IS DEVELOPING INTO SUPER
TYPHOON DOLPHIN. THIS SURGE WILL REACH GUAM WATERS ON SUNDAY,
BRING STRONG WINDS AND FREQUENT GALE FORCE GUSTS.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A GALE WATCH IS ISSUED WHEN THE RISK OF GALE FORCE WINDS OF 34 TO
47 KNOTS HAS SIGNIFICANTLY INCREASED...BUT THE SPECIFIC TIMING
AND/OR LOCATION IS STILL UNCERTAIN. IT IS INTENDED TO PROVIDE
ADDITIONAL LEAD TIME FOR MARINERS WHO MAY WISH TO CONSIDER
ALTERING THEIR PLANS.
STANKO
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