The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 11/02/2025 01:12:01 AM UTC
                        
830
FZPN40 PHFO 011512
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT NOV 01 2025

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 01 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 02 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 03 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N150W 28N160W 27N166W 27N176W 27N178W 30N177E MOVING ESE
SLOWLY. WINDS 20 TO 25 KT N OF 17N BETWEEN 168E AND 170W.
ISOLATED MODERATE TSTMS N OF 27N BETWEEN 175E AND 179W.
.24 HOUR FORECAST FRONT 30N151W 24N162W 22N175W. WINDS 20 TO 30
KT IN AREA BOUNDED BY 24N160E 30N175W 30N151W 17N172W 13N173E
16N160E 24N160E.
.48 HOUR FORECAST FRONT 30N146W 23N162W 18N167W 17N178W. WINDS 20
TO 30 KT IN AREA BOUNDED BY 26N160E 30N165W 28N167W 16N171W
16N160E 26N160E.

.TROUGH 20N179E 11N179W 05N175E MOVING NW 10 KT. SCATTERED
MODERATE TSTMS FROM 21N TO 04N BETWEEN 175E AND 172W.
.24 HOUR FORECAST TROUGH 21N172E 12N175E 06N170E.
.48 HOUR FORECAST TROUGH 22N162E 14N165E 07N165E.

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

SEAS 2.5 TO 4 M N OF LINE 30N172E 24N166E 28N174E 24N162E 16N164E
15N176W 25N170W 23N155W 28N140W.
.24 HOUR FORECAST SEAS 4 TO 5 M FROM 28N TO 23N BETWEEN 178W AND
162W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N170E 25N160E 14N160E
15N170W 22N159W 14N150W 18N140W.
.48 HOUR FORECAST SEAS 4 TO 5.5 M IN AREA BOUNDED BY 25N171W
29N163W 28N156W 22N167W 25N171W. SEAS 2.5 TO 4 M ELSEWHERE N OF
LINE 14N160E 08N174W 15N169W 19N154W 26N140W.

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

.ITCZ 10N140W 10N149W 07N157W 09N164W. SCATTERED MODERATE TSTMS
WITHIN 240 NM OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 21N TO 06N W OF 170E.


$$

.FORECASTER PIERCE. HONOLULU HI.