864
FZPN40 PHFO 050309
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC THU JUN 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JUN 05 2025.
24 HOUR FORECAST VALID 0000 UTC JUN 06 2025.
48 HOUR FORECAST VALID 0000 UTC JUN 07 2025.

.WARNINGS.



.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N174W 26N177W 24N175E MOVING W SLOWLY. ISOLATED
MODERATE TSTMS N AND W OF TROUGH.
.24 HOUR FORECAST MERGED WITH TROUGH BELOW.

.24 HOUR FORECAST NEW LOW 27N176E 1012 MB. TROUGH FROM LOW
TO 25N175E 20N170E.
.48 HOUR FORECAST LOW 23N174E 1010 MB. TROUGH FROM LOW TO
20N170E 18N168E.

.WINDS 20 KT OR LESS OVER ENTIRE FORECAST AREA.

.SEAS 2.5 TO 3 M N OF 23N E OF 146W.
.24 HOUR FORECAST SEAS SUBSIDING TO LESS THAN 2.5 M.

.SEAS 2.5 M OR LOWER REMAINDER OF FORECAST AREA.

.ITCZ 08N140W 04N163W 08N175E 03N160E. SCATTERED
MODERATE TO STRONG TSTMS WITHIN 240 NM S OF ITCZ W OF
172E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ
BETWEEN 175W AND 155W...AND E OF 145W.



$$

.FORECASTER PECHACEK. HONOLULU HI.