The High Seas Forecast for the Central North Pacific

High Seas Forecast North Pacific  Issued: 12/09/2022 05:32:10 AM HST

000
FZPN40 PHFO 091532
HSFNP

HIGH SEAS FORECAST
NATIONAL WEATHER SERVICE HONOLULU HI
1700 UTC FRI DEC 09 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 09 2022.
24 HOUR FORECAST VALID 1200 UTC DEC 10 2022.
48 HOUR FORECAST VALID 1200 UTC DEC 11 2022.

.WARNINGS.

...GALE WARNING...
.NE TO E WINDS 25 TO 35 KT AROUND THE MAIN HAWAIIAN ISLANDS. FOR
DETAILS...SEE THE COASTAL WATERS FORECAST ISSUED BY NWS HONOLULU
UNDER AWIPS HEADER...HFOCWFHFO...AND WMO HEADER...FZHW50 PHFO.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WINDS EASED TO 30 KT OR LESS AROUND THE MAIN
HAWAIIAN ISLANDS.

...GALE WARNING...
.COLD FRONT FROM 30N167E TO 26N160E MOVING E 20 KT. N TO NE WINDS
20 TO 25 KT N OF COLD FRONT. ISOLATED MODERATE TSTMS NW OF A LINE
FROM 30N172E TO 27N169E TO 25N160E.
.24 HOUR FORECAST FRONT FROM 30N177E TO 26N172E TO 26N160E. NE TO
E WINDS 20 TO 30 KT N OF FRONT.
.48 HOUR FORECAST FRONT FROM 30N171W TO 26N176W TO 22N176E. NE
WINDS 30 TO 35 KT WITHIN 330 NM W OF FRONT N OF 28N. NE TO E WINDS
20 TO 30 KT ELSEWHERE BETWEEN FRONT AND 176E.

...GALE WARNING...
.42 HOUR FORECAST NEW FRONT JUST W OF AREA. S TO SE WINDS 25 TO 40
KT N OF 27N W OF 168E. S TO SE WINDS 20 TO 30 KT ELSEWHERE N OF A
LINE FROM 28N173E TO 26N166E TO 25N160E.
.48 HOUR FORECAST FRONT FROM 30N162E TO 29N160E. WINDS 30 TO 45 KT
N OF A LINE FROM 29N171E TO 27N165E TO 27N160E. WINDS 20 TO 30 KT
ELSEWHERE N OF A LINE FROM 22N176E TO 25N170E TO 26N164E TO
25N160E.

.SYNOPSIS AND FORECAST.

.LOW 29N177E 1007 MB MOVING NNE 20 KT. TROUGH FROM 30N176E TO LOW
TO 25N179E TO 20N176E MOVING ENE SLOWLY N OF 24N...AND NEARLY
STATIONARY ELSEWHERE. S WINDS 20 TO 30 KT N OF 24N BETWEEN 175W AND
177E. N WINDS 20 TO 25 KT N OF 26N BETWEEN 177E AND 174E. ISOLATED
MODERATE TSTMS WITHIN 150 NM E...AND 270 NM SE QUADRANTS OF LOW.
.24 HOUR FORECAST LOW MOVED FAR N OF AREA. TROUGH FROM 30N179W TO
25N179E TO 20N174E. S WINDS 20 TO 30 KT WITHIN 240 NM E OF TROUGH N
OF 28N. N TO NW WINDS 20 TO 30 KT WITHIN 210 NM W OF TROUGH N OF
27N.
.48 HOUR FORECAST TROUGH AND ASSOCIATED WINDS MERGED WITH FIRST
FRONT DESCRIBED IN WARNING SECTION ABOVE.

.COLD FRONT FROM 28N140W TO 28N146W MOVING S SLOWLY.
.24 HOUR FORECAST FRONT DISSIPATED.

.NE TO E WINDS 20 TO 30 KT FROM 06N TO 26N E OF 153W...AND N OF 07N
BETWEEN 153W AND 170W.
.24 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 10N TO 25N E OF
154W...AND FROM 07N TO 27N BETWEEN 154W AND 171W.
.48 HOUR FORECAST NE TO E WINDS 20 TO 30 KT FROM 13N TO 23N E OF
150W. E TO SE WINDS 20 TO 30 KT FROM 07N TO 25N BETWEEN 150W AND
167W.

.24 HOUR FORECAST NEW TROUGH FROM 25N173W TO 18N176W.
.48 HOUR FORECAST TROUGH FROM 25N174W TO 18N175W.

.24 HOUR FORECAST NEW TROUGH FROM 16N140W TO 11N143W.
.48 HOUR FORECAST TROUGH FROM 16N141W TO 12N147W.

.HIGH 25N166E 1017 MB MOVING SSE SLOWLY. RIDGE FROM HIGH TO 19N173E
MOVING SSE SLOWLY.
.24 HOUR FORECAST HIGH DISSIPATED.

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

.SEAS 8 TO 12 FT FROM 03N TO 28N BETWEEN 153W AND 161W. SEAS 8 TO
11 FT FROM 05N TO 26N E OF 153W...AND N OF 24N W OF 173W. SEAS 8 TO
10 FT S OF 10N BETWEEN 170W AND 171E...AND FROM 10N TO 24N W OF
180E. SEAS 8 TO 9 FT BETWEEN 161W AND 170W.
.24 HOUR FORECAST SEAS 12 TO 13 FT FROM 25N TO 28N W OF 164E. SEAS
8 TO 12 FT ELSEWHERE NW OF A LINE FROM 30N175W TO 27N177E TO
19N160E. SEAS 8 TO 11 FT FROM 06N TO 25N E OF 150W...AND FROM 05N TO
27N BETWEEN 150W AND 170W. SEAS 8 TO 9 FT S OF 08N BETWEEN 178E AND
172E...AND FROM 07N TO 19N W OF 165E.
.48 HOUR FORECAST SEAS 12 TO 17 FT N OF A LINE FROM 30N167E TO
27N160E. SEAS 12 TO 14 FT N OF A LINE FROM 30N173W TO 25N179W TO
25N175E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE FROM 30N170W TO
25N179W TO 22N172E TO 25N160E. SEAS 8 TO 11 FT FROM 05N TO 26N
BETWEEN 152W AND 171W. SEAS 8 TO 10 FT FROM 12N TO 23N E OF 152W.

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

.ISOLATED MODERATE TSTMS WITHIN 240 NM OF A LINE FROM 30N161W TO
17N173W.

.ITCZ FROM 08N140W TO 06N153W TO 07N180E. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF ITCZ E OF 159W.

$$

.FORECASTER HOUSTON. HONOLULU HI.