National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 162251
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED SEP 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 16 2026. 24 HOUR FORECAST VALID 1800 UTC SEP 17 2026. 48 HOUR FORECAST VALID 1800 UTC SEP 18 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 13N154W 1007 MB MOVING W 10 KT. .24 HOUR FORECAST LOW NEAR 12N158W. .48 HOUR FORECAST LOW WEAKENED TO TROUGH FROM 13N161W TO 08N162W.

.TROUGH FROM 28N150W 23N151W 17N150W MOVING W 15 KT. WINDS 20 TO 25 KT FROM 25N TO 20N E OF 151W. SEAS 2.5 TO 3 M FROM 20N TO 25 N E OF 151W. ISOLATED MODERATE TSTMS WITHIN 180 NM E OF TROUGH BETWEEN 23N AND 20N. .24 HOUR FORECAST TROUGH FROM 28N152W 17N156W. WINDS 20 TO 25 KT W OF TROUGH BETWEEN 25N AND 16N. SEAS 2.5 TO 3 M FROM 25N TO 15N E OF 151W. .48 HOUR FORECAST TROUGH FROM 28N153W 17N161W. WINDS 20 TO 25 KT FROM 25N TO 15N E OF 160W. SEAS 2.5 TO 3 M FROM 24N TO 15N E OF 155W.

.TROUGH FROM 30N178W 28N178W 25N178W 22N180W. WINDS 20 TO 25 KT N OF 24N BETWEEN 170W AND 177W. SEAS 2.5 TO 3 M IN AREA BOUNDED BY 30N171W 27N172 28N178W 25N180W 30N180W 30N171W. SCATTERED MODERATE TSTMS W OF 172W. .24 HOUR FORECAST TROUGH MOVED W OF AREA.

.24 HOUR FORECAST. WINDS 20 TO 25 KT FROM 29N TO 21N W OF 160W. .48 HOUR FORECAST. WINDS 20 TO 25 KT FROM 30N TO 19N W OF 160W.

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

.SCATTERED MODERATE TO STRONG TSTMS FROM 16N TO 11N W OF 175W.

.MONSOON TROUGH FROM 10N162W 10N159W 13N154W 11N148W 10N140W. ISOLATED MODERATE TSTMS WITHIN 120 NM OF MONSOON TROUGH.

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.FORECASTER KINO. HONOLULU HI.