FZPN40 PHFO 040905
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 04 2026.
24 HOUR FORECAST VALID 0600 UTC APR 05 2026.
48 HOUR FORECAST VALID 0600 UTC APR 06 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 29N140W 25N144W 20N145W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH 30N142W 26N144W 19N144W.
.48 HOUR FORECAST FRONT 29N140W 27N142W THENCE TROUGH 21N142W.

.TROUGH 30N175W 27N180W MOVING NW SLOWLY.
.24 HOUR FORECAST TROUGH MERGED WITH NEW FRONT 30N175W 26N177W.
.48 HOUR FORECAST FRONT 30N168W 25N171W 24N173W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 13N TO 08N W OF 155W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 13N TO 10N W OF 165W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M N OF LINE 30N173W 24N180W.

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

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF POINT 10N148W.

.ITCZ 07N154W 07N170W 07N180W. ISOLATED MODERATE TSTMS WITHIN 240
NM N OF ITCZ.

$$

.FORECASTER WROE. HONOLULU HI.