The High Seas Forecast for the Central North Pacific

High Seas Forecast Issued: 11/06/2025 01:05:08 AM UTC
                        
072
FZPN40 PHFO 051505
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC WED NOV 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 05 2025.
24 HOUR FORECAST VALID 1200 UTC NOV 06 2025.
48 HOUR FORECAST VALID 1200 UTC NOV 07 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAKENING FRONT 29N140W 27N148W 28N162W MOVING SLOWLY SE. SEAS
2.5 TO 4.5 M WITHIN 210 NM EITHER SIDE OF FRONT.
.24 HOUR FORECAST WEAK FRONT 28N140W 28N153W THENCE TROUGH
28N171W.
.48 HOUR FORECAST FRONT AND TROUGH DISSIPATED.

.TROUGH 28N140W 25N151W NEARLY STATIONARY.
.24 HOUR FORECAST TROUGH 27N140W 25N155W.
.48 HOUR FORECAST TROUGH ABSORBED IN FRONTAL BOUNDARY ABOVE.

.TROUGH 22N178W 19N179E 15N179E MOVING W 15 KT. WINDS 20 TO 25 KT
NW OF TROUGH FROM 22N TO 25N BETWEEN 178W TO 175E.
.24 HOUR FORECAST TROUGH 22N175E 17N170E.
.36 HOUR FORECAST TROUGH DISSIPATED.

.TROUGH 11N178E 06N176E 03N177E MOVING WNW 20 KT. WINDS 20 TO 30
KT 120 NM W OF TROUGH FROM 05N TO 10N.
.24 HOUR FORECAST TROUGH 11N168E 07N165E. WINDS 20 TO 30 KT 90 NM
W OF TROUGH FROM 06N TO 10N.
.48 HOUR FORECAST DISSIPATING TROUGH MOVED W OF AREA. WINDS 20 TO
30 KT FROM 04N TO 07N W OF 163W.

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

.SEAS 2.5 TO 3 M BETWEEN TWO LINES 18N140W 29N160E AND 00N147W
05N175E 12N160E.
.24 HOUR FORECAST SEAS 2.5 TO 3.5 M E OF LINE 30N157W
02N175W...AND SEAS 2.5 TO 3 M N OF 12N W OF 172E.
.48 HOUR FORECAST SEAS 2.5 TO 3.5 M E OF A LINE 09N160W
30N150W...AND N OF A LINE 26N160E 30N167E.

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

.ITCZ 09N140W 07N164W 04N179W. ISOLATED MODERATE TSTMS WITHIN
120 NM EITHER SIDE OF ITCZ E OF 172W.

.SCATTERED MODERATE TSTMS FROM 17N TO 21N BETWEEN 169W AND
174W...AND FROM 00N TO 09N BETWEEN 174E AND 162E.


$$

.FORECASTER BLOOD. HONOLULU HI.