The High Seas Forecast for the Central North Pacific

High Seas Forecast   Issued: 12/22/2024 12:40:44 AM UTC

                        
995
FZPN40 PHFO 211440
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC SAT DEC 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 21 2024.
24 HOUR FORECAST VALID 1200 UTC DEC 22 2024.
48 HOUR FORECAST VALID 1200 UTC DEC 23 2024.

.WARNINGS.

...GALE WARNING...
.FRONT 30N162W 26N174W 26N174E 24N170E 25N160E MOVING E 45 KT
ALONG 30N...NEARLY STATIONARY W OF 174W. SW WINDS 30 TO 35 KT N
OF 29N BETWEEN FRONT AND 153W. WINDS 20 TO 30 KT ELSEWHERE N OF
LINE 30N172W 26N171W 25N160W 27N150W 30N144W. E WINDS 20 TO 25 KT
WITHIN 120 NM N OF FRONT W OF 166E.
.24 HOUR FORECAST FRONT 30N146W 25N170W 25N170E. SW WINDS 20 TO
25 KT WITHIN 90 NM E OF FRONT N OF 28N.
.48 HOUR FORECAST FRONT DISSIPATED.

...GALE WARNING...
.36 HOUR FORECAST NEW FRONT 30N154W 26N160W 24N170W 25N175W. SW
WINDS 30 TO 35 KT WITHIN 60 NM E OF FRONT N OF 28N. NW WINDS 30 TO
35 KT WITHIN 60 NM W OF FRONT N OF 28N. WINDS 20 TO 30 KT
ELSEWHERE N OF LINE 30N164W 25N164W 28N147W 30N144W.
.48 HOUR FORECAST NEW FRONT 30N142W 24N150W 22N155W 24N165W. SW
WINDS 30 TO 35 KT WITHIN 60 NM E OF FRONT N OF 29N. WINDS 20 TO 30
KT ELSEWHERE N OF LINE 30N156W 27N154W 27N140W.

...GALE WARNING...
.30 HOUR FORECAST NEW FRONT NEAR 30N160E. SW WINDS 30 TO 35 KT N
OF 29N W OF 169E. WINDS 20 TO 30 KT ELSEWHERE N OF LINE 25N160E
25N170E 30N180W.
.48 HOUR FORECAST FRONT 30N172E 23N160E. SW WINDS 30 TO 35 KT N
OF 28N BETWEEN FRONT AND 178E. WINDS 20 TO 30 KT ELSEWHERE N OF
LINE 25N160E 24N170E 30N168W.

.SYNOPSIS AND FORECAST.

.NE TO E WINDS 20 TO 25 KT FROM 06N TO 14N BETWEEN 173E AND 154W.
.24 HOUR FORECAST SE TO S WINDS 20 TO 30 KT N OF 25N W OF 173E. E
WINDS 20 TO 25 KT FROM 08N TO 12N E OF 160W...AND FROM 07N TO 15N
BETWEEN 170E AND 175W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 25 KT IN AREA BOUNDED BY
20N160W 12N150W 12N140W 08N140W 05N173E 14N173E 20N160W.

.WINDS 20 KT OR LESS REMAINDER OF FORECAST AREA.

.SEAS 18 TO 22 FT N OF LINE 30N154W 24N152W 24N146W 26N140W. SEAS
18 TO 20 FT N OF LINE 30N180W 29N178W 30N170W. SEAS 12 TO 18 FT
ELSEWHERE N OF LINE 30N164E 24N163E 27N175E 27N170W 20N163W
14N145W 18N140W. SEAS 8 TO 12 FT REST OF AREA EXCEPT 8 FT OR LESS
S OF LINE 10N160E 00N175E...S OF LINE 00N160W 04N140W...AND IN
AREA BOUNDED BY 20N160E 24N170E 24N180W 20N180W 10N160E 20N160E.
.24 HOUR FORECAST SEAS 27 TO 28 FT N OF LINE 30N156W 28N155W
30N151W. SEAS 18 TO 27 FT ELSEWHERE N OF LINE 30N167W 23N165W
24N160W 30N145W. SEAS 12 TO 18 FT ELSEWHERE 30N180W 20N175W
21N162W 25N150W 25N143W 17N151W 10N150W 10N140W. SEAS 8 TO 12 FT
REST OF AREA EXCEPT 8 FT OR LESS S OF LINE 04N160E 00N180W...AND
FROM 06N TO 13N W OF 171E.
.48 HOUR FORECAST SEAS 18 TO 21 N OF LINE 30N158W 28N150W 28N148W
20N148W 23N140W. SEAS 12 TO 18 FT ELSEWHERE N OF LINE 30N168W
20N162W 15N174W 10N174W 07N165W 19N140W...AND N OF LINE 26N160E
30N177E. SEAS 8 TO 12 FT REST OF AREA EXCEPT S OF 03N W OF
175E...W OF LINE 24N160E 24N175E 20N173E 16N160E...AND FROM 08N TO
11N BETWEEN 165E AND 168E.

.SEAS 8 FT OR LESS REMAINDER OF FORECAST AREA.

.ITCZ 06N140W 07N155W 06N160W 01N176E. ISOLATED MODERATE TSTMS
WITHIN 90 NM OF ITCZ.

$$

.FORECASTER JELSEMA. HONOLULU HI.