FZPN40 PHFO 041511
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT APR 04 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 04 2026.
24 HOUR FORECAST VALID 1200 UTC APR 05 2026.
48 HOUR FORECAST VALID 1200 UTC APR 06 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 27N140W 25N144W 20N146W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 30N142W 25N144W 18N144W.
.48 HOUR FORECAST NEW FRONT 27N140W 26N142W THENCE TROUGH 21N142W.

.TROUGH 30N175W 28N180W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH NEW FRONT 30N173W 25N177W.
.48 HOUR FORECAST FRONT 30N166W 23N173W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 13N TO 09N W OF 155W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 14N TO 10N W OF 165W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N171W 22N180W.

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

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF POINT 06N141W.

.ITCZ 07N155W 07N170W 07N180W. ISOLATED MODERATE TSTMS WITHIN 300
NM N OF ITCZ.

$$

.FORECASTER WROE. HONOLULU HI.