Text Products for HSF Issued by NP

High Seas Forecast
Issued by NWS
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FZPN40 PHFO 122243
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
2300 UTC FRI APR 12 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

SECURITE

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

SYNOPSIS VALID 1800 UTC APR 12 2024.
24 HOUR FORECAST VALID 1800 UTC APR 13 2024.
48 HOUR FORECAST VALID 1800 UTC APR 14 2024.

.WARNINGS.

...GALE WARNING...
.LOW NEAR 30N169W 999 MB MOVING NE 10 KT. FRONT 30N161W
28N161W 22N164W. FRONT MOVING NE 10 KT. TROUGH 24N158W
17N162W MOVING E SLOWLY. WINDS 30 TO 35 KT N OF 29N
BETWEEN 177W AND 172W AND N OF 28N BETWEEN 162W AND 158W.
WINDS 20 TO 30 KT ELSEWHERE N OF A LINE 10N160E 10N179W
25N179W 25N162W 21N157W 15N145W. ISOLATED TO SCATTERED
MODERATE TSTMS N OF 27N WITHIN 300 NM E OF FRONT.
.24 HOUR FORECAST LOW MOVED N OF AREA. FRONT 30N158W 23N160W
20N161W. TROUGH 22N157W TO 17N159W. WINDS 30 TO 35 KT N OF 29N
BETWEEN 172W AND 176W. WINDS 20 TO 30 KT ELSEWHERE N OF LINE
11N160E 11N175E 25N179W 25N153W 30N150W.
.48 HOUR FORECAST FRONT 30N157W 24N160W THENCE TROUGH TO
18N162W 14N168W. WINDS 20 TO 30 KT  N OF 22N BETWEEN 179E
AND 140W.

.SYNOPSIS AND FORECAST.

.WINDS NE 20 TO 25 KT FROM 13N TO 05N E OF 161W.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 15N TO 05N E OF
168W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT FROM 20N TO 05N
E OF 158W...AND FROM 21N TO 10N W OF 180E.

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

.SEAS 18 TO 22 FT N OF 26N BETWEEN 172W AND 179W. SEAS 12 TO 18
FT ELSEWHERE N OF LINE 30N159W 27N160W 20N172W 23N170E
30N175E. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 30N154W 19N165W
12N180E 18N164W 14N160E. SEAS 8 TO 9 FT FROM 13N TO 07N BETWEEN
160W TO 151W.
.24 HOUR FORECAST SEAS 12 TO 18 FT N OF A LINE 30N169W 22N172W
20N168E 30N173E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE 30N153W
20N165W 12N165W 10N160E.
.48 HOUR FORECAST SEAS 12 TO 18 FT N OF 23N BETWEEN 168W AND 180E.
SEAS 8 TO 12 FT ELSEWHERE N OF A LINE 30N151W 20N168W 09N175W
10N160E.

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

.ISOLATED MODERATE TSTMS FROM 16N TO 11N BETWEEN 159W AND 165W.

.ITCZ 04N140W 05N145W 05N166W 04N172W 03N160E. ISOLATED MODERATE
WITHIN 300 NM OF ITCZ.

$$

.FORECASTER M BALLARD. HONOLULU HI.
National Weather Service Weather Forecast Office
