The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 04/16/2026 01:21:38 AM UTC
                        
464
FZPN40 PHFO 151521
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 15 2026.
24 HOUR FORECAST VALID 1200 UTC APR 16 2026.
48 HOUR FORECAST VALID 1200 UTC APR 17 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N161W 22N162W THENCE TROUGH 12N174W MOVING E 10 KT.
.24 HOUR FORECAST FRONT 30N152W 24N158W THENCE TROUGH 18N168W.
.48 HOUR FORECAST FRONT 30N152W 24N157W THENCE TROUGH 22N160W.

.TROUGH 30N162W 23N168W MOVING NE 10 KT.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT ABOVE.

.TROUGH 12N163W 10N164W 08N163W MOV E SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 12N160W 10N162W 08N162W.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 M OR LOWER OVER ENTIRE FORECAST AREA.

.ITCZ 04N140W 03N151W 05N162W 05N173W. ISOLATED MODERATE TSTMS
WITHIN 120 NM N OF ITCZ E OF 151W.


$$

.FORECASTER M BALLARD. HONOLULU HI.