National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 270259
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI MAR 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 27 2026. 24 HOUR FORECAST VALID 0000 UTC MAR 28 2026. 48 HOUR FORECAST VALID 0000 UTC MAR 29 2026.

.WARNINGS.

GALE WARNING

.LOW 26N146W 1006 MB MOVING NNE 10 KT. TROUGH FROM 30N144W TO LOW TO 15N147W MOVING N SLOWLY. WINDS 30 TO 35 KT WITHIN 150 NM NE QUADRANT OF LOW. WINDS 20 TO 30 KT ELSEWHERE N OF 24N E OF 148W. ISOLATED MODERATE TSTMS FROM 22N TO 28N BETWEEN 141W AND 146W. .24 HOUR FORECAST LOW MOVED N OF AREA. TROUGH FROM 30N143W 19N144W. WINDS EASED TO 20 KT OR LESS. .48 HOUR FORECAST LOW MOVED N OF AREA. TROUGH FROM 28N140W 20N146W 13N155W.

.SYNOPSIS AND FORECAST.

.FRONT 30N159W 28N170W MOVING SE 15 KT. .24 HOUR FORECAST FRONT 30N150W 24N160W 23N165W. WINDS 20 TO 25 KT N OF FRONT. .48 HOUR FORECAST FRONT DISSIPATED. WINDS 20 TO 30 KT N OF 27N BETWEEN 145W AND 165W.

.WINDS 20 TO 25 KT WINDS FROM 10N TO 21N W OF 165W. .24 HOUR FORECAST WINDS 20 TO 25 KT FROM 10N TO 21N W OF 165W. .48 HOUR FORECAST WINDS 20 TO 25 KT FROM 15N TO 27N W OF 160W.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 3 TO 4 M N OF 26N BETWEEN 143W AND 147W. SEAS 2.5 TO 3.0 M ELSEWHERE N OF 23S E OF 155W...AND FROM 10N TO 21N W OF 163W. .24 HOUR FORECAST SEAS 2.5 TO 3.5 M N OF 27N E OF 164W. SEAS 2.5 TO 3 M FROM 09N TO 22N W OF 165W. .48 HOUR FORECAST SEAS 3 TO 5 M N OF LINE 30N148W 26N160W 30N163W. SEAS 2.5 TO 3 M ELSEWHERE N OF LINE 30N146W 22N160W 13N170W 10N180W.

.SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

ITCZ 04N140W 05N144W
AND FROM 11N148W 08N165W 06N176W. ISOLATED MODERATE TSTMS WITHIN 180 NM S AND 90 NM N OF ITCZ W OF 148W...AND WITHIN 120 NM OF ITCZ E OF 144W.

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.FORECASTER WROE. HONOLULU HI.