National Weather Service Marine Forecast FZPN40 PHFO

FZPN40 PHFO 242230
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC MON AUG 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 AUG 24 2026. 24 HOUR FORECAST VALID 1800 UTC AUG 25 2026. 48 HOUR FORECAST VALID 1800 UTC AUG 26 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST

.TROPICAL DEPRESSION MOKE NEAR 15N160W 1007 MB MOVING NW 15 KT. TROUGH 15N160W 15N157W 14N153W. WINDS 20 TO 25 KT WITHIN 150 NM OF CENTER. SEAS 2.5 TO 4 M WITHIN 150 NM OF NE QUADRANT. SCATTERED MODERATE TSTMS WITHIN 90 NM NW SEMICIRCLE. .24 HOUR FORECAST TROPICAL DEPRESSION MOKE 17N166W 1009 MB. WINDS 20 TO 25 KT AND SEAS 2.5 TO 4 M WITHIN 120 NM OF CENTER. TROUGH 17N166W 15N160W. .48 HOUR FORECAST TROPICAL DEPRESSION MOKE WEAKENING TO TROUGH 18N171W 12N170W. WINDS DIMINISHING TO 20 KT AND SEAS SUBSIDING TO 2.5 M OR LESS.

.TROUGH 30N150W 26N153W 25N155W NEARLY STATIONARY. .24 HOUR FORECAST TROUGH 30N150W 27N153W. .48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW TROUGH 30N174W 27N180W. .48 HOUR FORECAST NEW TROUGH 30N176W 26N180W.

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

.SEAS 2.5 M OR LESS OVER THE REMAINDER OF FORECAST AREA.

.MONSOON TROUGH 06N180W 06N165W 10N155W 05N140W. SCATTERED MODERATE TSTMS FROM 02N TO 07N BETWEEN 180W AND 175W...AND FROM 02N TO 08N BETWEEN 165W AND 155W...AND FROM 05N TO 10N BETWEEN 155W AND 150W...AND FROM 00N TO 10N E OF 150W.

.ISOLATED MODERATE TSTMS FROM 10N TO 15N BETWEEN 158W AND 152W.

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.FORECASTER PECHACEK. HONOLULU HI.