The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 12/03/2025 08:38:07 AM UTC
                        
483
FZPN40 PHFO 022238
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC TUE DEC 02 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 02 2025.
24 HOUR FORECAST VALID 1800 UTC DEC 03 2025.
48 HOUR FORECAST VALID 1800 UTC DEC 04 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N160W 23N167W 18N174W 14N172E 14N160E MOVING E 10 KT N
OF 17N AND NEARLY STATIONARY ELSEWHERE.
.24 HOUR FORECAST FRONT 30N156W 23N161W 19N169W 15N179W 15N167E.
.48 HOUR FORECAST FRONT 30N155W 22N161W 17N175W 15N178E.

.FRONT 30N168W 26N176W MOVING E 10 KT. WINDS 20 TO 30 KT N OF 26N
BETWEEN 173E AND 170W.
.24 HOUR FORECAST FRONT 30N162W 24N170W. WINDS 20 TO 25 KT N OF
27N BETWEEN 178E AND 166W.
.48 HOUR FORECAST FRONT MOVED N OF AREA AND WINDS EASED TO 20 KT
OR LESS.

.48 HOUR FORECAST NEW FRONT 30N162E 28N160E. WINDS 20 TO 25 KT N
OF 27N W OF 170E.

.WINDS 20 TO 25 KT FROM 23N TO 14N W OF 175W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 22N TO 13N W OF 170E.
.48 HOUR FORECAST WINDS 20 TO 25 KT W OF LINE 21N160E 25N173W
23N163W 15N173W 10N160E.

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

.SEAS 4 TO 5 M N OF LINE 30N167W 21N179E 16N170E 20N164E 23N174E
26N175E 30N171E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N155W
24N162W 14N172E 09N160E. SEAS 2.5 TO 3 M N OF LINE 30N145W 19N152W
12N148W 14N157W 08N174W 00N175E 00N150W 07N145W 08N140W.
.24 HOUR FORECAST SEAS 4 TO 5 M N OF LINE 30N165W 26N170W 21N176W
25N176E 30N175E. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 30N152W
18N168W 08N173W 06N172E 12N169E 09N162E 07N160E.
.48 HOUR FORECAST SEAS 2.5 TO 4.5 M N OF LINE 30N148W 24N148W
16N141W 17N147W 24N151W 24N158W 15N165W 06N174W 06N173E 10N168E
10N164E 05N164E 05N160E.

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

.ITCZ 08N140W 07N179W 05N171E 03N160E. SCATTERED MODERATE TSTMS
WITHIN 150 NM OF ITCZ E OF 176W.

$$

.FORECASTER TROTTER. HONOLULU HI.