140
FZPN40 PHFO 250307
HSFNP
HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED MAR 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC MAR 25 2026.
24 HOUR FORECAST VALID 0000 UTC MAR 26 2026.
48 HOUR FORECAST VALID 0000 UTC MAR 27 2026.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.STATIONARY FRONT 30N140W 26N146W THENCE TROUGH TO 17N150W.
TROUGH MOVING W SLOWLY. ISOLATED MODERATE TSTMS WITHIN 180
NM OF TROUGH S OF 20N.
.24 HOUR FORECAST NEW LOW 22N149W 1010 MB. TROUGH 30N140W
26N148W TO LOW TO 19N150W. NE WINDS 20 TO 30 KT BOUNDED BY
AREA 30N141W 28N145W 23N149W 27N155W 30N151W 30N141W.
.48 HOUR FORECAST LOW NEAR 26N146W 1007 MB. TROUGH 30N144W TO
LOW TO 22N146W. WINDS 20 TO 25 KT WITHIN 240 NM N THRU E
QUADRANTS OF LOW.
.TROUGH 12N175W 09N177W 06N178W MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 360 NM OF TROUGH S OF 13N.
.24 HOUR FORECAST TROUGH MOVED W OF AREA.
.TROUGH 30N179W 29N180W MOVING NE 20 KT.
.24 HOUR FORECAST TROUGH MOVED N OF AREA.
.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.
.SEAS 2.5 TO 3.5 M BOUNDED BY AREA 26N180W 18N167W 13N178W
15N180W 26N180W. SEAS 2.5 TO 3 M BOUNDED BY AREA 30N143W 22N151W
28N159W 30N154W 30N143W.
.24 HOUR FORECAST SEAS 2.5 TO 4 M BOUNDED BY AREA 30N140W 19N153W
24N163W 30N155W 30N140W. SEAS 2.5 TO 3 M BOUNDED BY AREA 20N180W
24N169W 20N164W 12N165W 12N180W 20N180W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M BOUNDED BY AREA 25N176W 22M164W
11N159W 10N175W 14N180W 25N176W. SEAS 2.5 TO 3 M BOUNDED BY AREA
30N140W 25N143W 27N153W 30N152W 30N140W.
.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.
.ITCZ 03N140W 03N150W 05N160W 06N168W. ISOLATED MODERATE TSTMS
WITHIN 270 NM OF ITCZ.
.FORECASTER THOMAS/KINO. HONOLULU HI.
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