790
WHMY40 PGUM 191839
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
439 AM CHST MON APR 20 2026
GUZ001-MPZ001>003-191945-
/O.EXP.PGUM.SU.Y.0038.000000T0000Z-260419T1900Z/
/O.EXP.PGUM.RP.S.0011.000000T0000Z-260419T1900Z/
GUAM-ROTA-TINIAN-SAIPAN-
439 AM CHST MON APR 20 2026
..HIGH SURF ADVISORY WILL EXPIRE AT 5 AM CHST EARLY THIS MORNING
..HIGH RIP CURRENT RISK WILL END EARLY THIS MORNING
BUOY AND SATELLITE ALTIMETRY DATA HAVE SHOWN A SLOW BUT STEADY
DECREASE IN THE PRIMARY NORTHERLY SWELL OVERNIGHT. THIS SUPPORTS
SURF ALONG NORTH FACING REEFS TO DROPPING BELOW THE 9 FOOT THRESHOLD
FOR HAZARDOUS SURF AND A HIGH RISK OF RIP CURRENTS THIS MORNING.
MODEL GUIDANCE SHOWS SURF POTENTIALLY DROPPING ADDITONAL FOOT OR TWO
OVER THE NEXT FEW DAYS.
SCHANK
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