High Seas Forecast
Issued by NWS

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000
FZPN40 PHFO 281052 CCA
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1100 UTC THU MAR 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC MAR 28 2024.
24 HOUR FORECAST VALID 0600 UTC MAR 29 2024.
48 HOUR FORECAST VALID 0600 UTC MAR 30 2024.

.WARNINGS.

...GALE WARNING...
.E WINDS 30 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.
SEE MORE WINDS BELOW.
.24 HOUR FORECAST LITTLE CHANGE. SEE MORE WINDS BELOW.
.48 HOUR FORECAST WINDS DECREASING TO LESS THAN 30 KT.
SEE MORE WINDS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N170E TO 22N160E MOVING E 35 KT. SE WINDS 20
TO 30 KT WITHIN 120 NM OF FRONT. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT FROM 30N180E TO 21N172E TO 17N160E.
WINDS 20 TO 25 KT W OF FRONT. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT FROM 30N168W TO 22N176W TO 15N160E.
WINDS 20 TO 25 KT WITHIN 420 NM W OF FRONT. SEE SEAS BELOW.

.TROUGH FROM 30N172E TO 22N165E MOVING E 30 KT. S WINDS 20
TO 25 KT WITHIN 90 NM OF TROUGH N OF 27N. SCATTERED
MODERATE TSTMS WITHIN 90 NM OF TROUGH N OF 25N.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT DESCRIBED ABOVE.

.WINDS E TO NE 20 TO 25 KT FROM 05N TO 20N E OF 175E...AND
N OF 20N BETWEEN 170W AND 150W...AND FROM 20N TO 25N E OF
150W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 10N E OF 170W...
EXCEPT N OF LINE FROM 30N155W TO 25N145W TO 20N140W.
.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 05N TO 15N W OF
170W...AND FROM 10N TO 20N BETWEEN 165W AND 160W...AND
FROM 10N TO 25N BETWEEN 160W AND 140W...AND N OF 25N E OF
150W.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 12 FT N OF LINE FROM 30N172E TO 25N160E. SEAS
8 TO 10 FT FROM 05N TO 20N E OF 180W.
.24 HOUR FORECAST SEAS 8 TO 12 FT W AND N OF LINE FROM
20N160E TO 20N170E TO 30N178W. SEAS 8 TO 10 FT FROM 10N TO
25N BETWEEN 165W AND 145W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE FROM 30N170W
TO 15N170E TO 15N160E. SEAS 8 TO 10 FT N OF 28N E OF 150W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 04N172W TO 03N162W TO 04N153W TO 04N140W.
SCATTERED STRONG TSTMS WITHIN 210 NM OF ITCZ W OF 165W.
ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ BETWEEN
145W AND 155W.

.SCATTERED MODERATE TSTMS S OF 10N BETWEEN 160E AND 172W.


$$

.FORECASTER PECHACEK. HONOLULU HI.


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