The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 06/27/2026 01:08:23 PM UTC
                        
552
FZPN40 PHFO 270308
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SAT JUN 27 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC JUN 27 2026.
24 HOUR FORECAST VALID 0600 UTC JUN 28 2026.
48 HOUR FORECAST VALID 0600 UTC JUN 29 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 28N174W 25N176W 21N177W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 30N175W 24N180W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M FROM 10N TO 20N BETWEEN 142W AND 162W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 12N TO 17N BETWEEN 150W
AND 160W.
.48 HOUR FORECAST SEAS SUBSIDED TO 2.5 M OR LESS.

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

.ISOLATED MODERATE TSTMS FROM 25N TO 27N BETWEEN 160W AND 166W.

.ITCZ 06N140W 06N150W 05N156W 05N180W. ISOLATED MODERATE TSTMS
WITHIN 300 NM OF ITCZ.


$$

.FORECASTER ALMANZA. HONOLULU HI.