High Seas Forecast
Issued by NWS

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228
FZPN40 PHFO 261527 CCA
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT APR 26 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 26 2025.
24 HOUR FORECAST VALID 1200 UTC APR 27 2025.
48 HOUR FORECAST VALID 1200 UTC APR 28 2025.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.LOW NEAR 29N164W 1012 MB SLOWLY MOVING NNE. FRONT IN ASSOCIATION
WITH LOW FROM 30N158W TO 28N158W THENCE TROUGH TO 25N159W TO
21N165W. FRONT AND TROUGH NEARLY STATIONARY. SW WINDS 20 TO 25 KT
WITHIN 210 NM OF FRONT N OF 28N. SEAS 8 TO 9 FT WITHIN 150 NM OF
FRONT N OF 28N. SCATTERED MODERATE TO STRONG TSTMS WITHIN 180 NM E
OF FRONT AND TROUGH.
.12 HOUR FORECAST LOW MOVED N OF AREA. TROUGH FROM 30N156W TO
24N158W TO 20N163W. WINDS FALLEN TO 20 KT OR LESS AND SEAS
SUBSIDED TO 8 FT OR LOWER.
.24 HOUR FORECAST TROUGH FROM 30N155W TO 25N158W TO 20N164W.
.48 HOUR FORECAST TROUGH FROM 30N154W TO 26N158W TO 21N161W.

.30 HOUR FORECAST NEW FRONT FROM 30N166E TO 27N160E.
.48 HOUR FORECAST FRONT DISSIPATED.

.WINDS 20 TO 25 KT FROM 09N TO 12N BETWEEN 150W AND 157W.
.24 HOUR FORECAST WINDS FALLEN TO 20 KT OR LESS.

ELSEWHERE...WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER
REMAINDER OF FORECAST AREA.

.ITCZ FROM 05N140W TO 02N150W TO 01N160W. ISOLATED MODERATE TO
STRONG TSTMS WITHIN 180 NM EITHER SIDE OF ITCZ E OF 144W AND W
OF 155W.

.SCATTERED MODERATE TO STRONG TSTMS WITHIN 150 NM EITHER SIDE OF A
LINE FROM 02N160W TO 07N174E...AND FROM 01N TO 04N W OF 163E.



$$

.FORECASTER BLOOD. HONOLULU HI.