High Seas Forecast
Issued by NWS

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FZPN40 PHFO 010323
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
0500 UTC WED FEB 01 2023

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 0000 UTC FEB 01 2023.
24 HOUR FORECAST VALID 0000 UTC FEB 02 2023.
48 HOUR FORECAST VALID 0000 UTC FEB 03 2023.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.
.WEAK TROUGH FROM 30N153W TO 26N160W TO 19N165W TO 12N165W MOVING
W SLOWLY. SCATTERED MODERATE TO STRONG TSTMS WITHIN 300 NM E OF
TROUGH BETWEEN 13N AND 20N...AND FROM 13N TO 25N BETWEEN 151W AND
159W.
.24 HOUR FORECAST TROUGH DISSIPATED.

.FRONT FROM 30N163E TO 26N160E MOVING E SLOWLY. S TO SW WINDS 20 TO
25 KT N OF 27N BETWEEN FRONT AND 168E.
.24 HOUR FORECAST WEAK FRONT FROM 30N172E TO 23N160E. WINDS
DECREASED TO 20 KT OR LESS.
.48 HOUR FORECAST FRONT DISSIPATED.

.24 HOUR FORECAST NEW FRONT FROM 28N140W TO 27N146W THENCE TROUGH
TO 23N156W. WINDS 20 TO 25 KT N OF 27N E OF 143W.
.48 HOUR FORECAST FRONT MOVED OUT OF AREA. TROUGH FROM 26N152W TO
23N156W.

.RIDGE FROM 30N180E TO 22N162E NEARLY STATIONARY.

.RIDGE FROM 30N143W TO 28N152W MOVING S SLOWLY.

.NE WINDS 20 TO 30 KT WITHIN AN AREA BOUNDED BY 28N160W 18N160E
03N160E 05N175W 25N160W 28N160W...AND FROM 08N TO 19N E OF 152W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT W OF A LINE FROM 03N176E TO
23N167W.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT W OF A LINE FROM 03N173E TO
23N166W.

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

.SEAS 12 TO 13 FT FROM 18N TO 23N BETWEEN 165W AND 178W. SEAS 8 TO
11 FT ELSEWHERE N OF A LINE FROM 06N140W TO 15N157W TO 04N`69W TO
04N160E.
.24 HOUR FORECAST SEAS 8 TO 12 FT W OF A LINE FROM 03N178E TO
25N159W. SEAS 8 TO 9 FT N OF 28N E OF 147W.
.48 HOUR FORECAST SEAS 8 TO 11 FT W OF A LINE FROM 04N174E TO
23N173W. SEAS 8 TO 9 FT N OF 28N E OF 145W.

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

.ITCZ FROM 06N140W TO 07N155W...AND FROM 09N164W TO 04N178E.
SCATTERED MODERATE TO STRONG TSTMS WITHIN 120 NM OF ITCZ E OF 148W.




$$

.FORECASTER TSAMOUS. HONOLULU HI.


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