345
FZPN40 PHFO 212231
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC SUN JUN 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC JUN 21 2026.
24 HOUR FORECAST VALID 1800 UTC JUN 22 2026.
48 HOUR FORECAST VALID 1800 UTC JUN 23 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.FRONT 30N156W 28N158W MOVING E SLOWLY.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N156W 27N158W.
.48 HOUR FORECAST TROUGH 30N163W 26N163W 22N167W 19N170W.
.TROUGH 30N163W 27N161W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED ABOVE.
.TROUGH 25N171W 24N173W 22N173W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH TROUGH DESCRIBED BELOW.
.TROUGH 22N168W 19N172W 15N174W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 24N176W 19N179W.
.48 HOUR FORECAST TROUGH MOVED W OF AREA.
.TROUGH 21N144W 14N147W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 22N149W 15N150W 12N152W.
.48 HOUR FORECAST TROUGH 22N154W 16N154W.
.48 HOUR FORECAST NEW TROUGH 06N164W 03N173W 02N176W 03N180W.
.ITCZ 07N140W 04N166W. ISOLATED MODERATE TSTMS S OF 10N E OF
164W.
.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 13N TO 06N BETWEEN 172W
AND 163W.
.FORECASTER TROTTER. HONOLULU HI.
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