107
WHPQ42 PGUM 200640
CFWPQ2
URGENT - IMMEDIATE BROADCAST REQUESTED
COASTAL HAZARD MESSAGE
NATIONAL WEATHER SERVICE TIYAN GU
440 PM CHST MON APR 20 2026
FMZ037-201900-
/O.CON.PGUM.SU.Y.0036.000000T0000Z-260420T1900Z/
/O.CON.PGUM.CF.S.0004.000000T0000Z-260420T1900Z/
YAP-
440 PM CHST MON APR 20 2026
..HIGH SURF ADVISORY REMAINS IN EFFECT UNTIL 5 AM CHST TUESDAY
...COASTAL FLOOD STATEMENT REMAINS IN EFFECT THROUGH LATE
TONIGHT...
* WHAT...LARGE BREAKING WAVES OF 7 TO 9 FEET. ISOLATED MINOR
COASTAL FLOODING POSSIBLE DURING HIGH TIDES.
* WHERE...NORTH FACING REEFS OF YAP.
* WHEN...UNTIL 5 AM CHST TUESDAY.
* IMPACTS...SOME WATER ON LOW LYING ROADS AND PROPERTY. DANGEROUS
SWIMMING AND SURFING CONDITIONS AND LOCALIZED BEACH EROSION.
* ADDITIONAL DETAILS...NORTH-NORTHEAST SWELL FROM DISTANT TROPICAL
STORM SINLAKU CONTINUES TO BRING HAZARDOUS SURF ALONG NORTH
FACING REEFS THROUGH AT LEAST LATE TONIGHT. HAZARDOUS SURF,
COMBINED WITH THE HIGHER HIGH TIDES WITH THE NEW MOON CYCLE, MAY
PRODUCE MINOR COASTAL INUNDATION ALONG NORTHERN SHORELINES AT
TIMES OF HIGH TIDE.
PRECAUTIONARY/PREPAREDNESS ACTIONS...
INEXPERIENCED SWIMMERS SHOULD REMAIN OUT OF THE WATER DUE TO
DANGEROUS SURF CONDITIONS.
BOWSHER
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