The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 11/16/2025 06:55:38 PM UTC
                        
107
FZPN40 PHFO 160855
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SUN NOV 16 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC NOV 16 2025.
24 HOUR FORECAST VALID 0600 UTC NOV 17 2025.
48 HOUR FORECAST VALID 0600 UTC NOV 18 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N176E 23N160E MOVING E 20 KT. WINDS 20 TO 25 KT N OF
FRONT. SEAS 2.5 TO 3 M NW OF FRONT. ISOLATED MODERATE TSTMS WITHIN
90 NM E OF FRONT N OF 26N.
.24 HOUR FORECAST FRONT 30N173W 24N170E 21N160E. WINDS 20 TO 30 KT
N OF FRONT. SEAS 2.5 TO 4 M NW OF FRONT.
.48 HOUR FORECAST FRONT 30N164W 24N180W 21N170E THENCE TROUGH 23N160E.
WINDS 20 TO 30 KT N OF FRONT. SEAS 4 TO 5 M N OF 25N BETWEEN 164E
AND 170W. SEAS 2.5 TO 4 M ELSEWHERE NW OF FRONT.

.TROUGH 12N177W 04N178E MOVING W 10 KT. ISOLATED MODERATE TSTMS
WITHIN 210 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 10N178E 03N175E.
.48 HOUR FORECAST TROUGH DISSIPATED.

.48 HOUR FORECAST TROUGH 24N164W 21N163W.

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

.SEAS 2.5 TO 3 M FROM 10N TO 20N BETWEEN 180W AND 170W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M FROM 10N TO 14N BETWEEN 173E AND
178W.
.48 HOUR FORECAST SEAS 2.5 TO 4 M FROM 15N TO 20N W OF 173E.

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

.ITCZ 07N140W 07N160W 07N170W...AND 08N175W 04N160E. ISOLATED
MODERATE TSTMS WITHIN 180 NM OF ITCZ E OF 170W.

$$

.FORECASTER SHIGESATO. HONOLULU HI.