The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 06/25/2026 09:01:31 AM UTC
                        
672
FZPN40 PHFO 242301
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC WED JUN 24 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 JUN 24 2026.
24 HOUR FORECAST VALID 1800 UTC JUN 25 2026.
48 HOUR FORECAST VALID 1800 UTC JUN 26 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 29N170W 26N171W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 23N163W 21N163W 18N163W MOVING W 15 KT.
.24 HOUR FORECAST TROUGH 24N171W 19N172W.
.48 HOUR FORECAST TROUGH 27N174W 20N176W.

.TROUGH 09N143W 09N149W MOVING W 10 KT. ISOLATED MODERATE
TSTMS WITHING 90 NM OF TROUGH.
.24 HOUR FORECAST TROUGH DISSIPATED.

.LOW NEAR 03N179W MOVING WNW SLOWLY. WINDS 20 TO 25 KT S OF 10 N
W OF 175W. SEAS 2.5 TO 3 M FROM 04N TO 12N W OF 172W. WIDELY
SCATTERED MODERATE TSTMS S OF 10N W OF 172W.
.24 HOUR FORECAST LOW W OF AREA.
.48 HOUR FORECAST LOW W OF AREA.

.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 15N E OF 160W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 13N TO 25 N E OF 160W.

.OTHERWISE...WINDS 20 KT OR LESS OVER REST OF FORECAST AREA.

.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 08N TO 17N W OF 170W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M FROM 09N TO 16N BETWEEN 161W
AND 145W...AND IN AREA BOUNDED BY 30N160W 30N153W 16N140W 16N152W.

.OTHERWISE....SEAS 2.5 M OR LOWER OVER REST OF FORECAST AREA.

.ITCZ 05N141W 06N165W 06N176W. SCATTERED MODERATE TSTMS WITHIN 280 NM
OF ITCZ W OF 155W.

$$

.FORECASTER VAUGHAN. HONOLULU HI.