763
WHGM70 PGUM 021801
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
401 AM CHST SAT OCT 3 2026
PMZ153-154-030815-
/O.CON.PGUM.TR.W.4026.000000T0000Z-000000T0000Z/
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
401 AM CHST SAT OCT 3 2026
..TROPICAL STORM WARNING REMAINS IN EFFECT
* WHAT...SOUTHWEST TROPICAL STORM FORCE WIND TO 45 KT WITH GUSTS
TO 60 KT AND SEAS 14 TO 20 FEET.
* WHERE...TINIAN AND SAIPAN COASTAL WATERS.
* WHEN...UNTIL FURTHER NOTICE.
* IMPACTS...VERY STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH
COULD CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...TYPHOON CHOI-WAN (26W) CONTINUES TO
STRENGTHEN AS IT TURNS NORTH-NORTHEAST NEAR THE NORTHERN
MARIANAS WEST OF PAGAN, WITH TROPICAL STORM FORCE WINDS
CONTINUING AT SAIPAN. HAZARDOUS SEAS CONTINUE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
A TROPICAL STORM WARNING MEANS SUSTAINED WINDS OF 34 TO 63 KT ARE
EXPECTED DUE TO A TROPICAL STORM WITHIN 36 HOURS.
PMZ151-152-030815-
/O.CON.PGUM.GL.W.0003.000000T0000Z-261003T0700Z/
/O.CON.PGUM.SE.A.0002.261003T0700Z-261004T0700Z/
GUAM COASTAL WATERS-ROTA COASTAL WATERS-
401 AM CHST SAT OCT 3 2026
...GALE WARNING REMAINS IN EFFECT UNTIL 5 PM CHST THIS
AFTERNOON...
...HAZARDOUS SEAS WATCH REMAINS IN EFFECT FROM THIS AFTERNOON
THROUGH SUNDAY AFTERNOON...
* WHAT...FOR THE GALE WARNING, SOUTHWEST WINDS 25 TO 35 KT WITH
FREQUENT GUSTS UP TO 45 KT AND SEAS 15 TO 18 FEET EXPECTED. FOR
THE HAZARDOUS SEAS WATCH, VERY STEEP AND HAZARDOUS SEAS 15 FEET
OR GREATER POSSIBLE.
* WHERE...GUAM AND ROTA COASTAL WATERS.
* WHEN...FOR THE GALE WARNING, UNTIL 5 PM CHST THIS AFTERNOON. FOR
THE HAZARDOUS SEAS WATCH, FROM THIS AFTERNOON THROUGH SUNDAY
AFTERNOON.
* IMPACTS...STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH COULD
CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...COMBINED SEAS OF 15 TO 18 FEET THROUGH
THIS AFTERNOON, THEN GRADUALLY DIMINISH. WEST TO SOUTHWEST WINDS
WILL BE STRONG TO GALE-FORCE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.
DECOU
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