The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 10/11/2026 12:10:22 AM UTC
                        
919
FZPN40 PHFO 101410
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT OCT 10 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 10 2026.
24 HOUR FORECAST VALID 1200 UTC OCT 11 2026.
48 HOUR FORECAST VALID 1200 UTC OCT 12 2026.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW 27N169W 1006 MB. FRONT 30N175W 25N172W TO LOW. TROUGH FROM LOW
TO 30N169W. FRONT AND TROUGH MOVING NE 5 KT. SCATTERED MODERATE
TO LOCALLY STRONG TSTMS N OF 25N BETWEEN 170W AND 163W.
WINDS 20 TO 25 KT N OF 26N BETWEEN 175W AND 170W.
.24 HOUR FORECAST LOW 29N166W 1010 MB. FRONT 30N173W TO LOW.
WINDS DIMINISHING TO 20 KT OR LESS.
.48 HOUR FORECAST LOW 30N164W 1013 MB. FRONT MOVED N OF AREA.

.TROUGH 30N163W 27N162W 23N165W MOVING NW 5 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.LOW 07N149W 1008 MB. TROUGH FROM LOW TO 05N153W. TROUGH AND LOW
MOVING NW 10 KT. SCATTERED MODERATE TSTMS WITHIN 90 NM OF LOW AND
TROUGH.
.24 HOUR FORECAST LOW 08N153W 1008 MB. TROUGH FROM LOW TO 05N156W.
.48 HOUR FORECAST LOW 10N156W 1011 MB. TROUGH FROM LOW TO 07N159W.

.24 HOUR FORECAST NEW TROUGH 22N150W 15N145W 15N140W.
.48 HOUR FORECAST TROUGH 25N155W 20N153W 15N148W.

.SEAS 2.5 TO 4.5 M N OF LINE 22N180W 23N170W 25N155W 30N155W...AND
FROM 00N TO 05N BETWEEN 165W AND 160W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 27N W OF 160W.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 25N180W 30N169W...AND
N OF 25N E OF 145W.

.WINDS 20 KT OR LESS AND SEAS 2.5 M OR LOWER OVER REMAINDER OF
FORECAST AREA.

.MONSOON TROUGH 06N180W 05N173W 11N164W...AND 10N155W 12N147W
08N140W. SCATTERED MODERATE TSTMS FROM 00N TO 10N BETWEEN 174W AND
160W...AND FROM 08N TO 14N BETWEEN 170W AND 164W. ISOLATED MODERATE
TSTMS WITHIN 90 NM OF TROUGH E OF 147W. ISOLATED MODERATE TSTMS
FROM 00N TO 08N BETWEEN 180W AND 174W.

$$

.FORECASTER PECHACEK. HONOLULU HI.