High Seas Forecast
Issued by NWS

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FZPN40 PHFO 050301
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC FRI APR 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

PLEASE SEE HTTPS://OCEAN.WEATHER.GOV/PROPOSED_HIGH_SEAS_TROPICAL.PHP
FOR A PROPOSAL...AND A REQUEST FOR COMMENTS...TO INCREASE
READABILITY OF THE HIGH SEAS FORECAST (WEB ADDRESS LOWERCASE).

SECURITE

NORTH PACIFIC EQUATOR TO 30N BETWEEN 140W AND 160E

SYNOPSIS VALID 0000 UTC APR 05 2024.
24 HOUR FORECAST VALID 0000 UTC APR 06 2024.
48 HOUR FORECAST VALID 0000 UTC APR 07 2024.

.WARNINGS.

...GALE WARNING...
.E WINDS TO 35 KT AROUND THE MAIN HAWAIIAN ISLANDS. FOR DETAILS
SEE COASTAL WATERS FORECAST ISSUED BY NWS HONOLULU UNDER AWIPS
HEADER HFOCWFHFO AND WMO HEADER FZHW50 PHFO. ADDITIONAL WINDS
DESCRIBED BELOW.
.24 HOUR FORECAST SEE WINDS BELOW.

.SYNOPSIS AND FORECAST.

.TROUGH FROM 30N171W TO 26N171W TO 23N170W MOVING W SLOWLY. SEE
WINDS BELOW. ISOLATED MODERATE TSTMS WITHIN 240 NM E OF TROUGH.
.24 HOUR FORECAST WEAK TROUGH FROM 30N175W TO 22N175W. SEE WINDS
BELOW.
.48 HOUR FORECAST WEAK TROUGH FROM 30N179E TO 25N180E. SEE WINDS
BELOW.

.NE TO E WINDS 20 TO 30 KT N OF 02N E OF 170W. NE TO E WINDS 20 TO
25 KT N OF A LINE FROM 30N172W TO 15S176W TO 18N160E...AND S OF A
LINE FROM 30N180E TO 24N160E.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT N OF 04N E OF 175W.
NE TO E WINDS 20 TO 25 KT FROM 15N TO 25N W OF 180E.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT N OF 02N...AND S OF A
LINE FROM 25N140W TO 30N150W TO 30N161W TO 20N170E. NE TO E WINDS
20 TO 25 KT FROM 15N TO 25N W OF 170E.

.OTHERWISE...WINDS 20 KT OR LESS OVER REMAINDER OF FORECAST AREA.

.SEAS 12 TO 15 FT N OF A LINE FROM 30N158W TO 24N143W TO 24N158W
TO 27N174W. SEAS 8 TO 12 FT ELSEWHERE N OF 02N E OF 169W...AND N
OF 17N BETWEEN 169W AND 169E.
.24 HOUR FORECAST SEAS MAINLY 8 TO 12 FT N OF 02N E OF 180E...AND
N OF 15N W OF 180E.
.48 HOUR FORECAST SEAS MAINLY 8 TO 11 FT N OF A LINE FROM 03N140W
TO 00N158W TO 00N170W TO 15N160E.

.OTHERWISE...SEAS 8 FT OR LOWER OVER REMAINDER OF FORECAST AREA.

.WIDELY SCATTERED MODERATE TSTMS S OF A LINE FROM 04N145W TO
06N171W. ISOLATED MODERATE TSTMS S OF 06N W OF 169E.

$$

.FORECASTER AHUE. HONOLULU HI.


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