882
WHMY40 PGUM 190528
CFWGUM
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
328 PM CHST THU MAR 19 2026
GUZ001-MPZ001>003-192100-
/O.CON.PGUM.SU.Y.0029.000000T0000Z-260320T0600Z/
/O.CON.PGUM.RP.S.0009.000000T0000Z-260320T0600Z/
GUAM-ROTA-TINIAN-SAIPAN-
328 PM CHST THU MAR 19 2026
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 4 PM CHST FRIDAY
...HIGH RIP CURRENT RISK REMAINS IN EFFECT THROUGH FRIDAY
AFTERNOON...
* WHAT...LARGE BREAKING WAVES OF 8 TO 12 FEET AND DANGEROUS RIP
CURRENTS.
* WHERE...NORTH AND EAST FACING REEFS OF THE MARIANAS.
* WHEN...UNTIL 4 PM CHST FRIDAY.
* IMPACTS...DANGEROUS SWIMMING AND SURFING CONDITIONS AND
LOCALIZED BEACH EROSION. RIP CURRENTS CAN SWEEP EVEN THE BEST
SWIMMERS AWAY FROM SHORE INTO DEEPER WATER.
* ADDITIONAL DETAILS...ELEVATED LONG-PERIOD NORTH TO NORTHEAST
SWELL, PRODUCED BY DISTANT MID-LATITUDE FRONTAL SYSTEMS, WILL
CONTINUE TO PRODUCE HAZARDOUS SURF ALONG NORTH FACING REEFS, AND
A HIGH RISK OF RIP CURRENTS ALONG NORTH AND EAST FACING REEFS
THROUGH FRIDAY AFTERNOON. SWELLS LOOK TO GRADUALLY SUBSIDE,
HOWEVER, THERE IS STILL A POTENTIAL FOR SURF AND RIP RISK TO
REMAIN ELEVATED OVER THE WEEKEND. ALTHOUGH THE OVERALL THREAT OF
COASTAL INUNDATION HAS DECREASED, MINOR COASTAL INUNDATION
ALONG NORTHERN SHORELINES STILL REMAINS POSSIBLE THROUGH FRIDAY
AFTERNOON, ESPECIALLY DURING TIMES OF HIGH TIDE. LOOKING FURTHER
IN TIME, SURF IS ANTICIPATED TO REMAIN AROUND THE 9 FOOT LEVEL
FOR THE NEXT SEVERAL DAYS. BEACH GOERS AND SURFERS SHOULD
EXERCISE CAUTION THROUGH THE FIRST HALF OF NEXT WEEK.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
RIP CURRENTS WILL BE LIFE THREATENING. INEXPERIENCED SWIMMERS
SHOULD REMAIN OUT OF THE WATER DUE TO DANGEROUS SURF CONDITIONS.
IF CAUGHT IN A RIP CURRENT, RELAX AND FLOAT. DON'T SWIM AGAINST
THE CURRENT. IF ABLE, SWIM IN A DIRECTION FOLLOWING THE SHORELINE.
IF UNABLE TO ESCAPE, FACE THE SHORE AND CALL OR WAVE FOR HELP.
BOWSHER
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