FZPN40 PHFO 150342
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED APR 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 15 2026.
24 HOUR FORECAST VALID 0000 UTC APR 16 2026.
48 HOUR FORECAST VALID 0000 UTC APR 17 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N155W 25N160W 20N167W MOVING E 10 KT BECOMING STATIONARY.
.24 HOUR FORECAST FRONT 30N154W 25N160W 22N162W.
.48 HOUR FORECAST FRONT 30N152W 25N160W 22N170W.

.LOW 18N170W 1015 MB MOVING N 10 KT. FRONT FROM LOW TO 19N169W
AND TROUGH FROM LOW TO 10N176W MOVING N 10 KT. SCATTERED MODEREATE
TO LOCALLY STRONG TSTMS WITHIN 150 NM OF LOW AND FRONT FROM 17N
TO 20N.
.24 HOUR FORECAST LOW 20N169W 1016 MB. FRONT FROM LOW TO 22N162W
AND TROUGH FROM LOW TO 12N180W.
.48 HOUR FORECAST LOW WEAKENING TO TROUGH 20N169W 15N170W.

.TROUGH 30N165W 24N170W 22N178W MOVING NE 10 KT.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT NEAR 30N154W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST AREA.

.ITCZ 06N180W 05N150W 04N140W. ISOLATED MODERATE TSTMS WITHIN
120 NM OF ITCZ E OF 170W.

.SCATTERED MODERATE TSTMS WITHIN 150 NM OF POINT 18N169W.

$$

.FORECASTER PECHACEK. HONOLULU HI.