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000
FZPN40 PHFO 191517
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI APR 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC APR 19 2024.
24 HOUR FORECAST VALID 1200 UTC APR 20 2024.
48 HOUR FORECAST VALID 1200 UTC APR 21 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.WEAK STATIONARY FRONT FROM 27N140W TO 20N147W.
.24 HOUR FORECAST FRONT WEAKENS TO TROUGH FROM 27N140W TO
20N147W.
.48 HOUR FORECAST TROUGH FROM 26N140W TO 21N147W.

.WEAK TROUGH FROM 30N171E TO 25N161E MOVING NE SLOWLY.
.24 HOUR FORECAST FRONT AND TROUGH MOVED N OF AREA.

.24 HOUR FORECAST NEW FRONT FROM 30N165E TO 25N160E. SW WINDS 20
TO 30 KT N OF A LINE FROM 30N175E TO 25N165E.
.48 HOUR FORECAST FRONT FROM 30N169E TO 22N160E. ASSOCIATED WINDS
LOWERED TO 20 KT OR LESS.

.NE TO E WINDS 20 TO 25 KT AND SEAS 8 TO 10 FT FROM 05N TO 25N
BETWEEN 170E AND 150W...AND FROM 05N TO 15N E OF 150W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT N OF 05N AND S OF
LINE 10N170E TO 18N150W TO 15N140W. SEAS SUBSIDING TO LESS THAN
8 FT.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 18N E OF
175E.

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

.ITCZ FROM 04N160E TO 01N173E...AND FROM 01N168W TO 04N150W
03N140W. SCATTERED MODERATE TSTMS WITHIN 270 NM N OF ITCZ W OF
180W.



$$

.FORECASTER PECHACEK. HONOLULU HI.