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000
FZPN40 PHFO 211018
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC SUN APR 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC APR 21 2024.
24 HOUR FORECAST VALID 0600 UTC APR 22 2024.
48 HOUR FORECAST VALID 0600 UTC APR 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N168E TO 26N164E TO 24N160E MOVING E 10 KT.
.24 HOUR FORECAST FRONT FROM 30N173E TO 25N164E.
.48 HOUR FORECAST FRONT WEAKENED TO A TROUGH FROM 30N177E TO
26N170E.

.TROUGH FROM 26N140W TO 24N144W TO 19N149W TO 17N151W MOVING W
SLOWLY.
.24 HOUR FORECAST TROUGH FROM 26N140W TO 21N150W.
.48 HOUR FORECAST TROUGH MOVED E OF AREA.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 14N E OF 173E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 15N
BETWEEN 180W AND 150W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 06N TO 16N
BETWEEN 180W AND 144W...AND FROM 20N TO 24N BETWEEN 146W AND 158W.

.SEAS 8 TO 9 FT N OF 28N W OF 162E.
.24 HOUR FORECAST SEAS 8 TO 11 FT N OF A LINE FROM 30N169E TO
25N160E.
.48 HOUR FORECAST SEAS 8 TO 9 FT N OF A LINE FROM 30N178E TO
25N172E TO 30N165E.

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

.ITCZ FROM 05N140W TO 04N146W TO 02N168W TO W 01N180W.
SCATTERED MODERATE TSTMS WITHIN 330 NM N AND 90 NM S OF ITCZ.

.ISOLATED MODERATE TSTMS S OF 08N BETWEEN 180E AND 170E.


$$

.FORECASTER TSAMOUS. HONOLULU HI.