The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 04/23/2026 07:54:37 AM UTC
                        
001
FZPN40 PHFO 222154
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED APR 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2026.
24 HOUR FORECAST VALID 0000 UTC APR 23 2026.
48 HOUR FORECAST VALID 0000 UTC APR 24 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 29N150W 1016 MB MOVING SE 10 KT. FRONT FROM LOW TO
24N152W...AND FROM LOW TO 29N144W.
.24 HOUR FORECAST LOW 26N148W 1017 MB. FRONT FROM LOW TO 25N145W.
FRONT FROM LOW TO 22N154W. E WINDS 20 TO 25 KT N OF 28N BETWEEN
145W AND 155W.
.48 HOUR LOW DISSIPATED. FRONT WEAKENED TO TROUGH 25N140W 20N142W.
WINDS DECREASED TO 20 KT OR BELOW.

.FRONT 30N173W 26N180W MOVING NE 15 KT.
.24 HOUR FORECAST FRONT 30N168W 25N180W.
.48 HOUR FORECAST FRONT DISSIPATED.

.TROUGH 07N171W 02N177W MOVING E 10 KT. SCATTERED MODERATE TSTMS
FROM 10N TO 01N W OF 168W.
.24 HOUR FORECAST MOVED W OF AREA.

.WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 2.5 TO 3 M W OF 174W N OF 17N...AND N OF 28N BETWEEN 147W
AND 154W...AND FROM 12N TO 23N E OF 150W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 18N TO 05N E OF 150W.
.48 HOUR FORECAST SEAS LOWERED BELOW 2.5 M.

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

.ITCZ 03N140W 03N168W. ISOLATED MODERATE TSTMS
WITHIN 300 NM N OF ITCZ...AND 180 NM S OF ITCZ.

.ISOLATED MODERATE TSTMS WITHIN 90 NM OF LINE 11N145W 08N153W.


$$

.FORECASTER FOSTER. HONOLULU HI.