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North Pacific High Seas Forecast

957
FZPN40 PHFO 282235
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC MAR 28 2024.
24 HOUR FORECAST VALID 1800 UTC MAR 29 2024.
48 HOUR FORECAST VALID 1800 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 WINDS DECREASING TO LESS THAN 34 KT.
SEE MORE WINDS BELOW.

.SYNOPSIS AND FORECAST.

.FRONT FROM 30N174E TO 23N167E TO 21N160E MOVING E 25 KT.
SW WINDS 20 TO 25 KT N OF 27N WITHIN 240 NM E OF FRONT. NW TO NE
WINDS 20 TO 25 KT N OF FRONT. SCATTERED MODERATE TSTMS WITHIN 90 NM
E OF FRONT N OF 25N...AND WITHIN 60 NM W OF FRONT N OF 28N. SEE SEAS
BELOW.
.24 HOUR FORECAST FRONT FROM 30N173W TO 22N176E THENCE TROUGH TO
15N169E. SW TO S WINDS 20 TO 25 KT N OF 28N WITHIN 270 NM E OF FRONT.
NE WINDS 20 TO 25 KT N OF A LINE FROM 30N174W TO 06N160E.
SEE SEAS BELOW.
.48 HOUR FORECAST FRONT FROM 30N165W TO 24N172W TO 21N180E. NE WINDS
20 TO 25 KT WITHIN AN AREA BOUNDED BY 30N170W 24N160E 04N160E
30N166W 30N165W.

.TROUGH FROM 01N141W TO 02N163W NEARLY STATIONARY. ISOLATED MODERATE
TSTMS WITHIN 120 NM N OF TROUGH.
.24 HOUR FORECAST TROUGH ABSORBED TO ITCZ.

.WINDS E TO NE 20 TO 25 KT E OF LINE FROM 27N170W TO 16N167W TO
12N176W TO 06N176W.
.24 HOUR FORECAST WINDS 20 TO 25 KT FROM 08N TO 26N BETWEEN 147W AND
164W.
.48 HOUR FORECAST WINDS 20 TO 25 KT WITHIN 300 NM NW OF LINE
FROM 16N145W TO 03N172E.

.WINDS 20 KT OR LESS REMAINDER FORECAST AREA.

.SEAS 8 TO 12 FT N OF LINE FROM 30N174E TO 23N160E. SEAS
8 TO 9 FT FROM 22N TO 26N BETWEEN 158W AND 163W...AND FROM 05N TO
08N BETWEEN 168W AND 172W.
.24 HOUR FORECAST SEAS 12 TO 14 FT N OF 27N BETWEEN 170E
AND 177E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE FROM 30N174W TO
19N167E TO 18N160E. SEAS 8 TO 10 FT FROM 12N TO 19N BETWEEN 150W AND
160W.
.48 HOUR FORECAST SEAS 8 TO 10 FT WITHIN AN AREA BOUNDED BY 30N167W
30N167E 23N160E 11N160E 30N167W. SEAS 8 TO 9 FT N OF 26N E OF 145W.

.SEAS 8 FT OR LOWER REMAINDER FORECAST AREA.

.SCATTERED MODERATE TSTMS S OF 08N W OF 175E.



$$

.FORECASTER TSAMOUS. HONOLULU HI.

Bulletins, Forecasts and Observations are courtesy of Honolulu National Weather Service Forecast Office