National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 110334
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SUN OCT 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 11 2026. 24 HOUR FORECAST VALID 0000 UTC OCT 12 2026. 48 HOUR FORECAST VALID 0000 UTC OCT 13 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

LOW 28N168W 1008 MB AND TROUGH FROM 22N180W TO LOW TO 30N167W

BOTH DRIFTING E. ISOLATED MODERATE TSTMS E OF LOW...N OF 26N BETWEEN 160W AND 167W. WINDS 20 TO 25 KT N OF 27N BETWEEN 158W AND 160W. SEAS 2.5 TO 3 M N OF 26N BETWEEN 156W AND 165W...AND N OF A LINE FROM 26N170W TO 17N180W. .24 HOUR FORECAST LOW 30N165W 1009 MB AND TROUGH FROM 22N171E TO 26N168W TO LOW. WINDS 20 TO 25 KT N OF 28N BETWEEN 170W AND 173W AND SEAS 2.5 TO 3 M N OF A LINE FROM 30N168W TO 22N180W. .48 HOUR FORECAST LOW 31N165W 1011 MB AND TROUGH FROM 23N174W TO 25N169W TO LOW. WINDS 20 TO 25 KT N OF 28N BETWEEN 160W AND 173W...AND SEAS 2.5 TO 3.5 M N OF A LINE FROM 30N158W TO 22N180W.

.LOW 10N168W 1010 MB AND TROUGH FROM LOW TO 15N167W TO 18N164W. BOTH DRIFTING W SLOWLY. SCATTERED MODERATE TO ISOLATED STRONG TSTMS FROM 09N TO 14N BETWEEN 164W AND 172W. .24 HOUR FORECAST LOW 09N171W 1010 MB AND TROUGH FROM LOW TO 16N170W TO 21N164W. .48 HOUR FORECAST LOW 10N175W 1010 MB AND TROUGH FROM LOW TO 15N173W TO 20N169W.

.LOW 10N154W 1011 MB DRIFTING W. SCATTERED MODERATE TSTMS NEAR LOW FROM 10N TO 12N BETWEEN 151W AND 165W. .24 HOUR FORECAST LOW 08N156W 1010 MB. .48 HOUR FORECAST LOW 08N160W 1010 MB.

.TROUGH 19N148W TO 24N150W TO 28N148W TO 27N151W MOVING W 10 KT. .24 HOUR FORECAST TROUGH 16N153W TO 20N154W TO 24N155W. .48 HOUR FORECAST TROUGH 16N154W TO 20N156W TO 28N158W.

SEAS 2.5 TO 3 M FROM 11N TO 15N BETWEEN 148W AND 156W
AND FROM 16N TO 24N E OF 149W. .24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 14N TO 24N BETWEEN 143W AND 151W...AND N OF 27N AND E OF 144W. .48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 15N TO 18N BETWEEN 149W AND 151W...AND N OF 24N AND E OF 144W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF FORECAST AREA.

MONSOON TROUGH 09N140W TO 09N145W TO THIRD LOW MENTIONED ABOVE
AND SECOND LOW DESCRIBED ABOVE TO 08N180W. SCATTERED MODERATE TSTMS S OF TROUGH FROM 00N TO 04N E OF 158W...AND FROM 00N TO 06N W OF 163W.

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.FORECASTER CHAN. HONOLULU HI.