The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 01/13/2026 01:15:47 AM UTC
                        
115
FZPN40 PHFO 121515
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC MON JAN 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 160E

SYNOPSIS VALID 1200 UTC JAN 12 2026.
24 HOUR FORECAST VALID 1200 UTC JAN 13 2026.
48 HOUR FORECAST VALID 1200 UTC JAN 14 2026.

.WARNINGS.

...GALE WARNING...
.FIRST FRONT 30N153W 23N158W 20N161W 16N173W 17N174E MOVING E 20
KT E OF 170W AND NEARLY STATIONARY ELSEWHERE. SECOND FRONT 30N156W
25N160W 23N166W MOVING E 30 KT. WINDS 30 TO 35 KT N OF SECOND
FRONT. WINDS 20 TO 30 KT FROM FIRST FRONT TO 23N... AND ELSEWHERE
N OF 23N BETWEEN 175W AND 145W. ISOLATED MODERATE TSTMS N OF 28N
BETWEEN 165W AND 155W.
.24 HOUR FORECAST SECOND FRONT MERGED WITH FIRST FRONT. FRONT
30N144W 20N154W 16N160W THENCE TROUGH 14N170W 15N178E. WINDS 20 TO
25 KT ELSEWHERE N OF 26N E OF 155W.
.48 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N142W 20N153W 17N162W.
WINDS DIMINISHED TO 20 KT OR LESS.

...GALE WARNING...
.FRONT 30N163E 26N160E MOVING NE 40 KT. WINDS 20 TO 25 KT N OF
27N W OF 173E.
.24 HOUR FORECAST FRONT 30N179W 24N170E 22N160E. WINDS 30 TO 35
KT N OF 28N BETWEEN FRONT AND 172W. WINDS 20 TO 30 KT N OF 26N
BETWEEN 175E AND 172W.
.48 HOUR FORECAST FRONT 30N161W 24N170W 21N180E 21N167E. WINDS 30
TO 35 KT WITHIN 270 NM E OF FRONT N OF 26N... AND N OF 29N BETWEEN
178W AND 170W. WINDS 20 TO 30 KT ELSEWHERE WITHIN 420 NM E OF
FRONT N OF 23N... AND N OF FRONT E OF 178E.

.SYNOPSIS AND FORECAST.

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

.SEAS 6 TO 7.5 M N OF LINE 30N174W 24N166W 30N157W. SEAS 4 TO 6
M ELSEWHERE N OF LINE 16N170E 20N170W 30N153W. SEAS 2.5 TO 4 M
ELSEWHERE N OF LINE 12N160E 18N170W 21N160W 12N150W 14N140W.
SEAS 2.5 TO 3 M ELSEWHERE FROM 08N TO 14N BETWEEN 175W AND 160W.
.24 HOUR FORECAST SEAS 6 TO 7 M N OF 27N BETWEEN 160W AND 150W.
SEAS 4 TO 6 M N OF LINE 10N174W 17N160W 30N142W... AND NW OF A
LINE 30N167E 23N160E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 05N170E
08N163W 20N150W 26N140W... AND NW OF LINE 21N160E 30N175E. SEAS
2.5 TO 3 M ELSEWHERE FROM 10N TO 20N E OF 145W.
.48 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N172E 26N160W 20N150W
29N140W. SEAS 2.5 TO 4 M N OF LINE 20N160E 05N180W 10N151W
17N140W.

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

.ITCZ 09N140W 09N150W 06N170W 03N171E. ISOLATED MODERATE TSTMS
FROM 02N TO 08N BETWEEN 170E AND 175W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.