459
WHGM70 PGUM 092112
MWWGUM
URGENT - MARINE WEATHER MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
712 AM CHST TUE MAR 10 2026
PMZ151-152-092215-
/O.CAN.PGUM.SC.Y.0024.000000T0000Z-260310T0600Z/
GUAM COASTAL WATERS-ROTA COASTAL WATERS-
712 AM CHST TUE MAR 10 2026
..SMALL CRAFT ADVISORY IS CANCELLED
THE AFOREMENTIONED LONG-PERIOD NORTH TO NORTHEAST SWELL, IN ADDITION
TO LOCALIZED WIND WAVES, HAVE DIMINISHED ENOUGH TO NO LONGER PRODUCE
SEA CONDITIONS HAZARDOUS TO SMALL CRAFT TO GUAM AND ROTA COASTAL
WATERS AT THIS TIME. SEAS MAY BECOME HAZARDOUS ONCE AGAIN SOMETIME
EARLY NEXT WEEK AS ANOTHER PULSE OF SIGNIFICANT NORTHERLY SWELLS MAKE
THEIR WAY ACROSS THE REGION.
PMZ153-154-100600-
/O.CON.PGUM.SC.Y.0024.000000T0000Z-260310T0600Z/
TINIAN COASTAL WATERS-SAIPAN COASTAL WATERS-
712 AM CHST TUE MAR 10 2026
...SMALL CRAFT ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST THIS
AFTERNOON...
* WHAT...NORTHEAST WINDS 15 TO 20 KT WITH GUSTS UP TO 30 KT AND
SEAS 8 TO 10 FEET.
* WHERE...TINIAN AND SAIPAN COASTAL WATERS.
* WHEN...UNTIL 4 PM CHST THIS AFTERNOON.
* IMPACTS...CONDITIONS WILL BE HAZARDOUS TO SMALL CRAFT.
* ADDITIONAL DETAILS...ELEVATED LONG-PERIOD NORTH TO NORTHEAST SWELL
CONTINUES TO BRING COMBINED SEAS UP TO AROUND 10 FEET, MAINTAINING
CHOPPY SEA CONDITIONS HAZARDOUS TO SMALL CRAFT. HIGHER SEAS ARE
EXPECTED OVER SAIPAN AND TINIAN WATERS, IN THE VICINITY OF A
FRAGMENTED SHEAR LINE INTERACTING WITH A PAIR OF NEARBY TROPICAL
DISTURBANCES. SEAS ARE EXPECTED TO FALL BELOW CONDITIONS HAZARDOUS
TO SMALL CRAFT BY LATE THIS AFTERNOON, AS SWELLS AND SEA HEIGHTS
RELAX.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED MARINERS, ESPECIALLY THOSE OPERATING SMALLER VESSELS,
SHOULD AVOID BOATING IN HAZARDOUS CONDITIONS.
MONTVILA
CLICK HERE TO GO TO PREVIOUS BULLETINS.
Main Text Page