The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 01/24/2026 01:08:18 AM UTC
                        
418
FZPN40 PHFO 231508
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI JAN 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 23 2026.
24 HOUR FORECAST VALID 1200 UTC JAN 24 2026.
48 HOUR FORECAST VALID 1200 UTC JAN 25 2026.

.WARNINGS.


.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N179W 21N178W 17N179W MOVING E 10 KT. S WINDS 20 TO
30 KT N OF 22N BETWEEN 172W AND FRONT.
.24 HOUR FORECAST FRONT 30N170W 17N180E. S WINDS 20 TO 25 KT N OF
23N BETWEEN 164W AND 171W.
.48 HOUR FORECAST FRONT 30N156W 28N158W 25N164W 23N173W. SW WINDS
20 TO 30 KT N OF 26N WITHIN 270 NM E OF FRONT.

.TROUGH 30N149W 27N150W 23N152W 19N156W NEARLY STATIONARY.
ISOLATED MODERATE TSTMS WITHIN 90 NM OF TROUGH N OF 26N.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED BELOW.

.FRONT 30N150W 27N152W 25N154W 23N157W MOVING NE 25 KT. ISOLATED
MODERATE TSTMS WITHIN 120 NM E OF FRONT N OF 27N.
.24 HOUR FORECAST FRONT WEAKENED TO TROUGH 30N145W 26N148W 24N150W.
.48 HOUR FORECAST TROUGH MOVED N OF AREA.

.TROUGH 27N167E 23N160E NEARLY STATIONARY. ISOLATED MODERATE TSTMS
WITHIN 240 NM S OF TROUGH W OF 168E.
.24 HOUR FORECAST NEW LOW NEAR 26N171E 1009 MB. COLD FRONT FROM
LOW TO 23N166E 21N160E. WARM FRONT FROM LOW 27N172E TO 26N174E.
WINDS 20 TO 25 KT WITHIN 90 NM N OF TROUGH AND LOW.
.48 HOUR FORECAST LOW NEAR 27N177E 1010 MB. COLD FRONT FROM LOW
TO 23N174E TO 21N169E THENCE TROUGH TO 19N160E. WARM FRONT FROM
LOW TO 29N179E TO 28N178E. WINDS 20 TO 25 KT WITHIN 180 NM OF LOW.

.48 HOUR FORECAST SW WINDS 20 TO 30 KT NW OF A LINE 30N164E
27N160E.

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

.SEAS 2.5 TO 3.5 M N OF LINE 30N146W 23N154W 24N162W. SEAS 2.5 TO
3.5 M ELSEWHERE N OF A LINE 30N142W 19N149W 21N157W 17N162W 18N173W
23N170E 27N167E 24N160E.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF 27N BETWEEN 166W AND 172W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M NW OF A LINE 30N163E 27N160E.
SEAS 2.5 TO 3 M N OF 28N BETWEEN 155W AND 173W.

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

.ITCZ 07N140W 07N153W 03N164W 03N175W 01N176E 02N163E. ISOLATED
MODERATE TSTMS WITHIN 90 NM OF ITCZ W OF 174E...AND WITHIN 90 NM
OF ITCZ E OF 145W.


$$

.FORECASTER TSAMOUS. HONOLULU HI.