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000
FZPN40 PHFO 111536
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC THU APR 11 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 APR 11 2024.
24 HOUR FORECAST VALID 1200 UTC APR 12 2024.
48 HOUR FORECAST VALID 1200 UTC APR 13 2024.

.WARNINGS.

...STORM WARNING...
.LOW NEAR 27N169W 993 MB MOVING N SLOWLY. FRONT 30N168 29N169W TO
LOW MOVING N SLOWLY. SECOND FRONT 30N166W 27N166W 20N170W THENCE
TROUGH TO 13S178W. SECOND FRONT AND TROUGH MOVING E 10 KT. WINDS
30 TO 50 KT N OF LINE 30N180W 26N180W 26N168W 30N166W. WINDS 20 TO
30 KT ELSEWHERE N OF LINE 30N170E 20N162E 15N165E 20N177W 25N170W
25N160W 30N155W. SCATTERED TO NUMEROUS STRONG TSTMS N OF 25N
BETWEEN 174W AND 160W. ISOLATED TO SCATTERED MODERATE TO STRONG
TSTMS N OF 23N BETWEEN 176W AND 158W.
.24 HOUR FORECAST LOW NEAR 30N169W 991 MB. FRONT FROM LOW TO
30N163W 24N161W 20N165W THENCE TROUGH TO 17N170W 10N175E. WINDS 30
TO 40 KT N OF 27N BETWEEN 178W AND 159W. WINDS 20 TO 30 KT
ELSEWHERE IN AREA BOUNDED BY 30N173E 25N160E 20N160E 12N170E
12N177E 23N180W 26N163W 18N160W 18N155W 30N153W 30N173E.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N159W 25N159W
20N165W THENCE TROUGH TO 17N170W 10N170E. WINDS 20 TO 30 KT IN
AREA BOUNDED BY 30N175E 24N160E 13N160E 12N172E 24N180W 24N158W
30N152W.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST NEW TROUGH 15N160W 07N173W.
.48 HOUR FORECAST TROUGH 25N158W 14N170W 08N180W.

.NE TO E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 160W.
.24 HOUR FORECAST WINDS DIMINISHED TO 20 KT OR LESS.

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

.SEAS 18 TO 24 FT N OF LINE 30N177W 27N170W 30N165W. SEAS 12 TO
18 FT ELSEWHERE N OF LINE 30N173E 26N168E 21N174E 20N180W 30N160W.
SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N166E 23N160E 08N160E
05N180W 17N180W 25N160W 25N155W 30N155W. SEAS 8 TO 11 FT E OF LINE
25N140W 25N159W 20N154W 18N162W 07N162W 02N140W.
.24 HOUR FORECAST SEAS 18 TO 23 FT N OF LINE 30N180W 26N176W
26N172W 30N170W. SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N173E
24N163E 19N164E 15N170E 15N180W 20N180W 22N170W 27N164W 25N158W
30N158W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 10N160E 12N180W
20N160W 20N152W 30N152W. SEAS 8 TO 11 FT ELSEWHERE E OF LINE
18N140W 18N163W 04N160W 00N150W 04N140W.
.48 HOUR FORECAST SEAS 18 TO 20 FT N OF 28N BETWEEN 180W AND
173W. SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N171E 24N162E 16N160E
13N168E 20N180W 25N170W 27N157W 30N156W. SEAS 8 TO 12 FT
ELSEWHERE N OF LINE 12N160E 08N175E 13N168W 22N165W 24N155W
30N152W. SEAS 8 TO 10 FT IN AREA BOUNDED BY 10N140W 15N150W
15N165W 04N162W 04N140W 10N140W.

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

.ITCZ 05N140W 03N150W 03N160W 04N166W 02N175W 03N170E 01N165E
01N160E. ISOLATED TO SCATTERED MODERATE TSTMS WITHIN 30O NM N AND
90 NM S OF ITCZ W OF 160W. ISOLATED MODERATE TSTMS WITHIN 180 N
AND 60 NM S OF ITCZ E OF 150W.

$$

.FORECASTER JELSEMA. HONOLULU HI.