610
FZPN40 PHFO 171029
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC FRI OCT 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 OCT 17 2025.
24 HOUR FORECAST VALID 0600 UTC OCT 18 2025.
48 HOUR FORECAST VALID 0600 UTC OCT 19 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N170E 28N160E MOVING NE 10 KT.
.24 HOUR FORECAST FRONT MOVED N OF AREA.

.TROUGH 29N162W 25N163W 22N164W MOVING W SLOWLY. ISOLATED MODERATE
TSTMS WITHIN 180 NM E OF TROUGH.
.24 HOUR FORECAST TROUGH 28N164W 23N167W.
.48 HOUR FORECAST TROUGH DISSIPATED.

.24 HOUR FORECAST NEW FRONT 30N162E 28N160E.
.48 HOUR FORECAST FRONT MOVED N OF AREA. SEAS 2.5 TO 4 M N OF LINE
30N169E 23N160E.

.WINDS 20 KT OR LESS OVER REMAINDER FORECAST AREA.

.SEAS 2.5 TO 3 M N OF LINE 30N166W 28N167W 20N154W 15N152W
14N140W.
.24 HOUR FORECAST SEAS 2.5 TO 3 M N OF LINE 30N169W 21N159W
15N159W 13N140W.
.48 HOUR FORECAST SEAS LOWERED 2.5 KT OR LESS.

.SEAS 2.5 M OR LESS OVER REMAINDER FORECAST AREA.

.ITCZ 06N140W 10N151W 10N164W 07N179W 07N174E. SCATTERED MODERATE
TSTMS FROM 16N TO 06N BETWEEN 171W AND 154W...AND WITHIN 150 NM
ELSEWHERE.

.SCATTERED MODERATE TSTMS FROM 27N TO 23N BETWEEN 160W AND
155W...AND FROM 24N TO 17N BETWEEN 164E AND 172E.


$$

.FORECASTER PIERCE. HONOLULU HI.