The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 01/23/2026 01:11:07 AM UTC
                        
431
FZPN40 PHFO 221511
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU JAN 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22 2026.
24 HOUR FORECAST VALID 1200 UTC JAN 23 2026.
48 HOUR FORECAST VALID 1200 UTC JAN 24 2026.

.WARNINGS.

...GALE WARNING...
.OCCLUDED FRONT 30N173E 29N174E THENCE COLD FRONT TO 27N175E
25N173E 24N169E THENCE STATIONARY FRONT 23N160E. WARM FRONT
29N174E 24N177W. SE WINDS 30 TO 35 KT N OF A LINE 21N179W
30N173E. WINDS 20 TO 30 KT ELSEWHERE N OF 22N BETWEEN 176W
AND 170E. ISOLATED MODERATE TSTMS N OF 22N BETWEEN 176W AND 176E.
.24 HOUR FORECAST OCCLUDED AND WARM FRONT MOVED N OF AREA. COLD
FRONT 30N179W 26N177W TO NEW LOW 1008 MB NEAR 25N176W. TROUGH FROM
LOW TO 21N174W 18N177W. SE WINDS 20 TO 30 KT WITHIN 270 NM
E OF FRONT AND LOW N OF 20N.
.48 HOUR FORECAST LOW NEAR 24N171W 1008 MB. WARM FRONT FROM
LOW TO 24N165W 23N161W. TROUGH FROM LOW TO 20N168W 17N171W. FRONT
30N171W TO LOW. SE TO S WINDS 20 TO 25 KT N OF 20N BETWEEN 163W
AND 170W.

.SYNOPSIS AND FORECAST.
.FRONT 30N149W 26N150W 24N152W THENCE TROUGH 22N155W NEARLY
STATIONARY.
.24 HOUR FORECAST FRONT MERGED WITH FRONT DESCRIBED BELOW.

.TROUGH 30N156W 26N161W 26N166W MOVING ESE 20 KT. NW TO W WINDS 20
TO 30 KT N OF LINE 30N156W 27N160W 27N166W 30N170W. ISOLATED
MODERATE TSTMS N OF TROUGH.
.24 HOUR FORECAST TROUGH BECAME FRONT 30N151W 26N155W. WINDS
DECREASED TO 20 KT OR LESS
.48 HOUR FORECAST FRONT 30N145W 28N147W THENCE TROUGH 23N153W.

.24 HOUR FORECAST NEW TROUGH 27N167E 23N160E.
.48 HOUR FORECAST NEW LOW 1009 MB NEAR 26N171E. TROUGH FROM LOW TO
23N164E 21N160E. WINDS 20 TO 25 KT WITHIN 90 NM OF LOW AND TROUGH.


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

.SEAS 3 TO 5 M N OF A LINE 30N152W 25N160W 30N173W...AND N OF 24N
BETWEEN 179E AND 167E. SEAS 2.5 TO 3.5 M ELSEWHERE N OF A LINE
30N144W 05N155W 05N176E 22N174E 23N160E.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M N OF A LINE 22N174W 26N175E.
SEAS 2.5 TO 3 M ELSEWHERE N OF A LINE 30N143W 19N145W 15N173W
25N167E 23N160E.
.48 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N166W 26N170W
29N176E 21N160E.

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

.ITCZ 07N140W 06N145W 03N166W 04N174E. ISOLATED MODERATE TSTMS
WITHIN 210 NM PRIMARILY N OF ITCZ.



$$

.FORECASTER TSAMOUS. HONOLULU HI.