High Seas Forecast
Issued by NWS

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FZPN40 PHFO 211443
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU MAR 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

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 21 2024.
24 HOUR FORECAST VALID 1200 UTC MAR 22 2024.
48 HOUR FORECAST VALID 1200 UTC MAR 23 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.COLD FRONT 30N165E 26N160E MOVING E 25 KT. SW WINDS 20 TO 30
KT N OF 25N W OF 175E. SEE SEAS BELOW.
.24 HOUR FORECAST FRONT 30N173E 16N160E. SW TO W WINDS 20 TO 30
KT N OF 25N W OF 180W. SEE SEAS BELOW.
.48 HOUR FORECAST FRONT 30N175W 16N160E. WINDS 20 TO 25 KT
WITHIN 150 NM OF FRONT. SEE SEAS BELOW.

.WEAK LOW 04N151W 1011 MB MOVING E SLOWLY.
.24 HOUR FORECAST LOW DISSIPATED.

.24 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 05N TO 22N
BETWEEN 180W AND 155W...AND S OF 10N E OF 155W.
.48 HOUR FORECAST WINDS 20 TO 25 KT E OF LINE 20N180W 10N175E
05N180W 00N155W.

.OTHERWISE...WINDS 20 KT OR BELOW OVER REMINDER OF FORECAST AREA.

.SEAS 12 TO 15 FT N OF 28N W OF 170E. SEAS 8 TO 12 FT ELSEWHERE N
OF LINE 20N160E 20N175E 30N175W...AND N OF 20N BETWEEN 160W AND
145W.
.24 HOUR FORECAST SEAS 18 TO 20 FT N OF LINE 27N160E 30N165E.
SEAS 12 TO 18 FT ELSEWHERE N OF LINE 23N160E 30N162E.
SEAS 8 TO 12 FT ELSEWHERE N OF 20N W OF 170W.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF LINE 18N160E 20N170E
30N180W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 10N160E 10N170E
05N180W 05N160W 00N155W.

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

.ITCZ 04N140W 04N150W...AND 03N153W 01N160W 00N167W. SCATTERED
MODERATE TSTMS WITHIN 300 NM OF ITCZ E OF 160W.


$$

.FORECASTER PECHACEK. HONOLULU HI.


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