High Seas Forecast
Issued by NWS

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FZPN40 PHFO 281529
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC MAR 28 2024.
24 HOUR FORECAST VALID 1200 UTC MAR 29 2024.
48 HOUR FORECAST VALID 1200 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 30N172E TO 25N167E TO 22N160E MOVING E 25 KT.
WINDS 20 TO 30 KT N OF 27N W OF 180W...AND ELSEWHERE W OF
FRONT. NUMEROUS STRONG STORMS WITHIN 240 NM E OF FRONT
N OF 23N. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT FROM 30N176W TO 15N179W. WINDS
20 TO 25 KT W OF FRONT...AND FROM 05N TO 15N W OF 170E.
SEE SEAS BELOW.
.48 HOUR FORECAST FRONT FROM 30N166W TO 23N172W TO 15N160E.
WINDS 20 TO 25 KT W OF FRONT...AND FROM 05N TO 15N W OF
170E. SEE SEAS BELOW.

.WINDS E TO NE 20 TO 25 KT E OF LINE FROM 30N170W TO
20N180W TO 15N170E TO 00N180W.
.24 HOUR FORECAST WINDS 20 TO 25 KT N OF 10N BETWEEN 170W
AND 145W.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 300 NM OF LINE
FROM 20N150W TO 10N165W TO 05N170E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 12 FT N OF LINE FROM 30N175E TO 25N160E. SEAS
8 TO 10 FT FROM 05N TO 20N E OF 180W...AND FORM 20N TO 28N
BETWEEN 168W AND 158W.
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF 28N BETWEEN 170E
AND 180W. SEAS 8 TO 12 FT ELSEWHERE  N OF LINE FROM 30N175W
TO 20N170E TO 18N160E...AND FROM 10N TO 25N BETWEEN 160W
AND 145W.
.48 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE FROM 30N170W
TO 15N170E TO 12N160E. SEAS 8 TO 10 FT N OF 27N E OF 145W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.ITCZ FROM 04N162W TO 04N154W TO 04N147W.
SCATTERED STRONG TSTMS WITHIN 210 NM OF ITCZ BETWEEN 155W
AND 160W. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ E OF
160W.

.SCATTERED MODERATE TSTMS S OF 10N W OF 180W.



$$

.FORECASTER PECHACEK. HONOLULU HI.


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