294
FZPN40 PHFO 310232
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC SAT OCT 31 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 31 2026.
24 HOUR FORECAST VALID 0000 UTC NOV 01 2026.
48 HOUR FORECAST VALID 0000 UTC NOV 02 2026.

.WARNINGS.

...GALE WARNING...
TROUGH 21N165W TO 20N172W 10N180W MOVING NW SLOWLY. WINDS 20 TO
25 KT N OF 20N W OF 168W.
.24 HOUR FORECAST TROUGH 24N162W TO 21N170W TO 14N180W. WINDS 20
TO 35 KT N OF TROUGH.
.48 HOUR FORECAST TROUGH 20N166W TO 20N175W TO 16N180W. WINDS 20
TO 30 KT FROM TROUGH TO 27N W OF 166W.

.SYNOPSIS AND FORECAST.

.LOW NEAR 06N154W 1010 MB NEARLY STATIONARY.
.24 HOUR FORECAST LOW 06N154W 1010 MB.
.48 HOUR FORECAST LOW DISSIPATED.

.24 HOUR FORECAST NEW FRONT FROM 30N158W TO 27N170W. WINDS 20 TO
30 KT N OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N147W TO 24N152W TO 21N164W. WINDS
20 TO 30 KT N OF FRONT.

.24 HOUR FORECAST TROUGH FROM 17N158W TO 12N152W.
.48 HOUR FORECAST TROUGH FROM 15N156W TO 13N150W.

.SEAS 2.5 TO 4 M N OF 20N W OF 165W.
.24 HOUR FORECAST SEAS 4 TO 6 M NW OF A LINE FROM 30N165W TO
24N170W TO 19N180W. SEAS 2.5 TO 4 M ELSEWHERE N OF A LINE FROM
23N164W TO 21N170W TO 17N180W.
.48 HOUR FORECAST SEAS 4 TO 6 M N OF A LINE FROM 30N152W TO
25N160W TO 21N170W TO 19N180W. SEAS 2.5 TO 4 M ELSEWHERE N OF A
LINE 30N144W 22N160W 14N180W.

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

.MONSOON TROUGH FROM LOW MENTIONED ABOVE TO 06N150W TO 07N140W.
ISOLATED MODERATE TSTMS S OF 08N E OF 158W.

.SCATTERED MODERATE TSTMS FROM 17N TO 25N W OF 167W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.