High Seas Forecast
Issued by NWS

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168
FZPN40 PHFO 242246
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI MAY 24 2024

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAY 24 2024.
24 HOUR FORECAST VALID 1800 UTC MAY 25 2024.
48 HOUR FORECAST VALID 1800 UTC MAY 26 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.TROUGH 30N166W 25N167W 20N170W MOVING W SLOWLY. ISOLATED
MODERATE TSTMS WITHIN 270 NM E OF TROUGH N OF 20N.
.24 HOUR FORECAST TROUGH 30N170W 24N168W.
.48 HOUR FORECAST NEW LOW 26N167W 1015 MB. TROUGH 26N167W TO LOW
TO 20N172W. NE TO E WINDS 20 TO 25 KT WITHIN 120 NM OF TROUGH N OF
27N.

.TROUGH 27N174E 20N172E MOVING W 10 KT.
.24 HOUR FORECAST TROUGH 27N169E 20N171E.
.48 HOUR FORECAST TROUGH 29N166E 20N167E.

.NE TO E WINDS 20 TO 25 KT FROM 20N TO 07N E OF 162W.
.24 HOUR FORECAST WINDS EASED TO 20 KT OR LESS.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS 8 FT OR LESS.

.ITCZ 07N140W 06N169W O5N172E 05N160E. ISOLATED MODERATE
TSTMS WITHIN 240 NM N OF ITCZ...AND WITHIN 150 NM
S OF ITCZ E OF 180W.



$$

.FORECASTER PECHACEK. HONOLULU HI.