287
WHGM70 PGUM 211756
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
356 AM CHST SAT AUG 22 2026
PMZ153-154-220800-
/O.CON.PGUM.SC.Y.0062.000000T0000Z-260823T0700Z/
/O.CON.PGUM.TR.A.4017.000000T0000Z-000000T0000Z/
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
356 AM CHST SAT AUG 22 2026
..SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 5 PM CHST SUNDAY
..TROPICAL STORM WATCH REMAINS IN EFFECT
* WHAT...FOR THE SMALL CRAFT ADVISORY, WEST WINDS 15 TO 25 KT
WITH GUSTS UP TO 35 KT AND SEAS 8 TO 11 FEET EXPECTED. FOR THE
TROPICAL STORM WATCH, WEST WINDS 25 TO 35 KT WITH GUSTS TO 40 KT
POSSIBLE IF TYPHOON SAUDEL TAKES AN UNEXPECTED WESTWARD WOBBLE.
* WHERE...TINIAN AND SAIPAN COASTAL WATERS.
* WHEN...FOR THE SMALL CRAFT ADVISORY, UNTIL 5 PM CHST SUNDAY.
* IMPACTS...VERY STRONG WINDS WILL CAUSE HAZARDOUS SEAS WHICH
COULD CAPSIZE OR DAMAGE VESSELS AND REDUCE VISIBILITY.
* ADDITIONAL DETAILS...TYPHOON SAUDEL (17W) IS MAKING ITS APPROACH
TOWARD THE MARIANAS, WITH A STORM TRACK ACROSS THE FAR NORTHERN
MARIANAS. SEAS WILL REMAIN HAZARDOUS TO SMALL CRAFT THIS EVENING
AS WINDS INCREASE TO 25 KT WITH COMBINED SEAS OF 8 TO 11 FEET
THROUGH SUNDAY AFTERNOON. TROPICAL STORM FORCE WINDS OF 34 TO 63 KT
ARE ONLY POSSIBLE IF THERE IS A SIGNIFICANT WESTWARD SHIFT IN THE
TRACK OF TYPHOON SAUDEL EARLY THIS MORNING.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER
VESSELS, SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.
STANKO
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