The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 11/02/2025 08:52:38 AM UTC
                        
470
FZPN40 PHFO 012252
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 01 2025.
24 HOUR FORECAST VALID 1800 UTC NOV 02 2025.
48 HOUR FORECAST VALID 1800 UTC NOV 03 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N154W 25N165W 25N176W 30N176E MOVING SE 10 KT.
.24 HOUR FORECAST FRONT 30N142W 23N161W 20N170W.
.48 HOUR FORECAST FRONT 30N141W 27N160W THENCE TROUGH 22N169W.

.TROUGH 12N149W 10N150W 07N148W MOVING NW 10 KT.
.24 HOUR FORECAST TROUGH 12N153W 08N156W.
.48 HOUR FORECAST TROUGH 15N157W 09N157W.

.TROUGH 15N175W 12N177E 05N175W MOVING W 10 KT.
.24 HOUR FORECAST TROUGH DISSIPATED.

.WINDS 20 TO 30 KT FROM 25N TO 30N BETWEEN 165W AND 175E. WINDS
20 TO 25 KT ELSEWHERE FROM 05N TO 25N BETWEEN 175W AND 165E.
.24 HOUR FORECAST WINDS 20 TO 30 KT FROM 18N TO 30N BETWEEN
160W AND 175E...AND FROM 25N TO 30N BETWEEN 160W AND 155W...AND
FROM 15N TO 25N BETWEEN 175E AND 160E.
.48 HOUR FORECAST WINDS 20 TO 30 KT FROM 05N TO 28N BETWEEN 175W
AND 160E...AND FROM 20N TO 30N BETWEEN 163W AND 175W.

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

.SEAS 2.5 TO 4 M N OF LINE 15N160E 14N180W 20N160W 25N140W.
.24 HOUR FORECAST SEAS 4 TO 5.5 M N OF LINE 30N177E 20N180W
20N170W 30N150W. SEAS 2.5 TO 4 M N OF LINE 13N160E 10N180W
20N160W 15N140W.
.48 HOUR FORECAST SEAS 4 TO 5.5 M WITHIN 120 NM OF LINE 25N167W
23N173W. SEAS 2.5 TO 4 M ELSEWHERE N OF LINE 12N160E 10N180W
15N140W.

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

.ITCZ 08N140W 09N144W...AND 08N142W 08N158W 09N163W 07N175W.
SCATTERED MODERATE TSTMS WITHIN 240 NM OF ITCZ.

.SCATTERED MODERATE TSTMS FROM 15N TO 22N BETWEEN 175W AND 175E.

$$

.FORECASTER PECHACEK. HONOLULU HI.