239
FZPN40 PHFO 221521
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC MON JUN 22 2026
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS
SEAS GIVEN AS SIGNIFICANT WAVE HEIGHT...WHICH IS THE AVERAGE HEIGHT
OF THE HIGHEST 1/3 OF THE WAVES. INDIVIDUAL WAVES MAY BE MORE THAN
TWICE THE SIGNIFICANT WAVE HEIGHT.
THIS HIGH SEAS FORECAST USES 1-MINUTE AVERAGE WINDS WHICH MAY BE
HIGHER THAN 10-MINUTE AVERAGE WINDS.
SECURITE
NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 180W
SYNOPSIS VALID 1200 UTC JUN 22 2026.
24 HOUR FORECAST VALID 1200 UTC JUN 23 2026.
48 HOUR FORECAST VALID 1200 UTC JUN 24 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N154W 27N156W THENCE TROUGH 22N165W MOVING W SLOWLY.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N160W 25N163W 22N170W.
.48 HOUR FORECAST TROUGH 30N167W 26N169W.
.TROUGH 30N157W 25N166W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE.
.TROUGH 25N175W 20N179W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH DISSIPATED.
.TROUGH 22N150W 18N150W 12N151W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 21N154W 15N155W.
.48 HOUR FORECAST TROUGH 20N158W 18N159W.
.24 HOUR FORECAST NEW TROUGH 04N180W 04N166W.
.48 HOUR FORECAST TROUGH 05N180W 05N172W 08N168W.
.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 11N TO 06N BETWEEN 172W
AND 162W...AND BETWEEN 164W AND 161W N OF 29N.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 11N TO 06N BETWEEN 178W
AND 170W.
.ITCZ 08N140W 04N160W 02N171W. ISOLATED MODERATE TSTMS WITHIN
210 NM OF ITCZ.
.ISOLATED MODERATE TSTMS S OF 07N BETWEEN 179W AND 171W.
.FORECASTER VAUGHAN. HONOLULU HI.
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