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000
FZPN40 PHFO 112216
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC APR 11 2024.
24 HOUR FORECAST VALID 1800 UTC APR 12 2024.
48 HOUR FORECAST VALID 1800 UTC APR 13 2024.

.WARNINGS.

...STORM WARNING...
.LOW NEAR 28N169W 999 MB MOVING N SLOWLY. FRONT FROM LOW TO
28N171W 30N170W. SECOND FRONT 30N166W 26N166W 23N167W 20N169W
THENCE TROUGH TO 15N172W 10N176W. SECOND FRONT AND TROUGH
MOVING E 10 KT. WINDS 40 TO 50 KT N OF 28N BETWEEN 171W AND
173W. WINDS 30 TO 40 KT ELSEWHERE N OF 25N BETWEEN 168W AND
178W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 06N160E 06N175E
24N172W 20N162W 08N160W 05N140W.
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 997 MB. FRONT FROM 30N163W
28N163W 24N165W 18N169W THEN TROUGH TO 14N167W 10N170W. WINDS
30 TO 40 KT N OF 28N BETWEEN 178W AND 172W...AND N OF 25N
BETWEEN 158W AND 162W. WINDS 20 TO 30 KT ELSEWHERE IN AREA
BOUNDED BY 12N160E 12N180E 25N180E 25N162W 05N160W 07N140W
30N150W.
.48 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N160W 25N161W
20N164W THENCE TROUGH TO 12N170W. WINDS 30 TO 40 KT N OF 29N
BETWEEN 173W AND 175W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE
20N160E 20N180E 25N180E 25N150W.

.SYNOPSIS AND FORECAST.

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

.48 HOUR FORECAST WINDS 20 TO 25 KT FROM 18N TO 05N BETWEEN
143W AND 165W.

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

.SEAS 24 TO 26 FT N OF 28N BETWEEN 170W AND 172W. SEAS 18 TO 22
FT ELSEWHERE N OF 25N BETWEEN 168W AND 178W. SEAS 12 TO 18 FT
ELSEWHERE N OF LINE 30N175E 20N170E 20N180E 30N169W.
.24 HOUR FORECAST SEAS 18 TO 20 FT N OF 29N BETWEEN 171W AND 175W.
SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N173E 20N165E 20N175E
30N161W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 10N160E 09N170W
05N160W 05N140W 15N145W 15N165W 30N150W. SEAS 8 TO 9 FT ELSEWHERE
E OF LINE 30N144W 28N140W.
.48 HOUR FORECAST SEAS 18 TO 21 FT N OF 26N BETWEEN 167W AND 172W.
SEAS 12 TO 18 FT ELSEWHERE N OF 23N BETWEEN 163W AND 178W. SEAS
8 TO 12 FT ELSEWHERE N OF LINE 09N160E 02N176W 30N149W.

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

.ITCZ 04N140W 04N146W 03N152W 03N159W 04N166W 03N169W 02N176W
03N172E 01N165E 01N160E. ISOLATED MODERATE TSTMS WITHIN 270 NM
OF ITCZ W OF 170E. ISOLATED MODERATE TSTMS WITHIN 180 NM OF ITCZ
BETWEEN 170W AND 180W.

$$

.FORECASTER M BALLARD. HONOLULU HI.