419 

FZPN40 PHFO 162234
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC THU APR 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 16 2026.
24 HOUR FORECAST VALID 1800 UTC APR 17 2026.
48 HOUR FORECAST VALID 1800 UTC APR 18 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N153W 27N155W THENCE TROUGH 14N161W MOVING NE 10 KT.
.24 HOUR FORECAST FRONT MOVED N OF AREA. TROUGH 30N150W 25N155W.
.48 HOUR FORECAST TROUGH

.48 HOUR NEW TROUGH 25N163W 22N170W. WINDS 20 TO 25 KT
FROM 22N TO 27N BETWEEN 167W AND 157W.

.WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA.

.SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST AREA.

.ITCZ 03N180W 05N170W 07N150W 07N140W. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 05N TO 10N BETWEEN 180W AND
175W...AND WITHIN 90 NM OF POINT 17N171W.

$$

.FORECASTER PECHACEK. HONOLULU HI.