708
FZPN40 PHFO 120348
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT SEP 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SEP 12 2026.
24 HOUR FORECAST VALID 0000 UTC SEP 13 2026.
48 HOUR FORECAST VALID 0000 UTC SEP 14 2026.

.WARNING.

.NONE.

.SYNOPSIS AND FORECAST

.TROUGH 30N172W 26N174W 25N177W MOVING W SLOWLY.
.24 HOUR FORECAST NEW FRONT ABSORBED TROUGH NEAR 30N173W 25N175W
22N180W.
.48 HOUR FORECAST FRONT 30N172W 25N175W 24N180W.

.TROUGH 30N150W 27N153W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 30N151W 28N153W 26N156W.
.48 HOUR FORECAST TROUGH 30N152W 27N153W 27N159W.

.TROUGH 30N141W 25N153W 22N146W MOVING W SLOWLY.
.24 HOUR FORECAST TROUGH 30N141W 28N143W 25N145W.
.48 HOUR FORECAST TROUGH 30N143W 24N148W 21N149W.

.TROUGH 17N141W 15N145W 12N148W MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 120 NM OF TROUGH.
.24 HOUR FORECAST TROUGH 20N147W 12N147W 10N150W.
.48 HOUR FORECAST NEW LOW 12N148W 1008 MB. TROUGH 16N151W TO LOW
TO 11N140W.

.TROUGH 21N163W 12N160W MOVING NW SLOWLY.
.24 HOUR FORECAST WEAK TROUGH 22N167W 17N165W.
.48 HOUR FORECAST TROUGH DISSIPATED.

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

.MONSOON TROUGH 12N140W 09N150W 10N162W 06N180W. ISOLATED STRONG
TSTMS WITHIN 420 NM S OF TROUGH W OF 165W. SCATTERED MODERATE
TSTMS ELSEWHERE WITHIN 480 NM S OF TROUGH.

$$

.FORECASTER EE. HONOLULU HI.