000
FZPN40 PHFO 291531
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SUN JAN 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC JAN 29 2023.
24 HOUR FORECAST VALID 1200 UTC JAN 30 2023.
48 HOUR FORECAST VALID 1200 UTC JAN 31 2023.

.WARNINGS.

...GALE WARNING...
.TROUGH 30N151W 23N152W 20N155W 14N157W. TROUGH MOVING W SLOWLY.
ISOLATED MODERATE TSTMS FROM 11N TO 24N BETWEEN 151W AND
166W...AND WITHIN 120 NM E OF TROUGH N OF 24N.
.24 HOUR FORECAST TROUGH 30N153W 19N156W 07N153W.
.48 HOUR FORECAST TROUGH 30N155W 10N165W. WINDS 30 TO 35 KT FROM
20N TO 26N BETWEEN 157W AND 164W. MORE WINDS DESCRIBED BELOW.

.SYNOPSIS AND FORECAST.

.FRONT NEAR 30N160E MOVING E SLOWLY. TROUGH 30N168E 27N160E
NEARLY STATIONARY. S TO SW WINDS 20 TO 25 KT N OF 27N BETWEEN
170E AND 162E.
.24 HOUR FORECAST TROUGH MERGED WITH FRONT 30N164E 28N160E. S TO
SW WINDS 20 TO 25 KT WITHIN 120 NM S OF FRONT.
.48 HOUR FORECAST FRONT DISSIPATED.

.48 HOUR FORECAST NEW FRONT 30N162E 28N160E. S TO SW WINDS 20 TO
25 KT N OF 27N BETWEEN 172E AND FRONT.

.RIDGE 30N141W 18N150W MOVING W SLOWLY.

.RIDGE 30N174W 24N160E NEARLY STATIONARY.

.NE TO E WINDS 20 TO 30 KT BOUNDED BY AREA 19N160E 26N180W
30N157W 16N157W 02N180W 02N160E 19N160E. NE TO E WINDS 20 TO 25
KT FROM 10N TO 16N E OF 150W.
.24 HOUR FORECAST WINDS 20 TO 30 KT BOUNDED BY AREA 22N160E
30N154W 21N140W 07N140W 17N157W 02N178W 02N160E 22N160E.
.48 HOUR FORECAST ELSEWHERE WINDS 20 TO 30 KT IN AREA BOUNDED BY
17N160E 29N165W 28N148W 17N148W 21N156W 05N177W 03N160E 17N160E.

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

.SEAS 12 TO 14 FT FROM 13N TO 21N BETWEEN 166W AND 178E. SEAS 8
TO 12 FT ELSEWHERE N OF LINE 02N160E 03N179W 12N163W 30N151W.
.24 HOUR FORECAST SEAS 12 TO 14 FT FROM 11N TO 20N BETWEEN 163W
AND 172E. ELSEWHERE SEAS 8 TO 12 FT N OF LINE 02N160E 02N175W
15N143W.
.48 HOUR FORECAST SEAS 12 TO 15 FT FROM 20N TO 24N BETWEEN 151W
AND 165W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 04N160E 04N170W
15N140W.

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

.ITCZ 04N140W 08N154W 03N170W. ISOLATED MODERATE TSTMS WITHIN 250
NM N OF ITCZ BETWEEN 147W AND 153W.

.ISOLATED MODERATE TSTMS FROM 01N TO 07N W OF 166E.


$$

.FORECASTER ALMANZA. HONOLULU HI.