East and Central North Pacific High Seas Forecast

Hurricane Warnings in Effect
East and Central North Pacific High Seas Forecast

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FZPN02 KWBC 202325
HSFEPI

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2345 UTC FRI DEC 20 2024

CCODE/2:31:12:01:00/AOW+POR/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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. 

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE 
NATIONAL WEATHER SERVICE. EMAIL US AT 
VOSOPS@NOAA.GOV(LOWERCASE).

SECURITE

PACIFIC N OF 30N AND S OF 67N E OF A LINE FROM BERING STRAIT 
TO 50N 160E

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1800 UTC DEC 20. 
24 HOUR FORECAST VALID 1800 UTC DEC 21.
48 HOUR FORECAST VALID 1800 UTC DEC 22.

.WARNINGS.

...HURRICANE FORCE WIND WARNING... 
.LOW 42N177W 941 MB MOVING E 40 KT. WITHIN 180 NM W
QUADRANT...AND FROM 37N TO 41N BETWEEN 172W AND 178E WINDS 65 TO
85 KT. SEAS 23 TO 46 FT. ELSEWHERE FROM 33N TO 45N BETWEEN 169W
AND 175E WINDS 50 TO 65 KT. SEAS 18 TO 36 FT. OTHERWISE FROM 30N
TO 47N BETWEEN 163W AND 166E WINDS 35 TO 50 KT. SEAS 12 TO 24
FT.
.24 HOUR FORECAST LOW 42N155W 949 MB. FROM 35N TO 42N BETWEEN
149W AND 162W WINDS 55 TO 70 KT. SEAS 29 TO 58 FT. ELSEWHERE FROM
31N TO 47N BETWEEN 139W AND 167W WINDS 40 TO 55 KT. SEAS 22 TO 44
FT. OTHERWISE FROM 30N TO 49N BETWEEN 135W AND 170W WINDS 25 TO
40 KT. SEAS 14 TO 28 FT.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 50N140W 964 MB
AND SECOND CENTER 53N149W 960 MB. WITHIN 180 NM N AND NE OF A
FRONT TO EXTEND FROM 57N147W TO 56N140W TO 47N128W WINDS 45 TO 60
KT. SEAS 16 TO 32 FT. ELSEWHERE NE AND E OF A LINE FROM 37N138W
TO 49N154W TO 58N155W WINDS 30 TO 45 KT. SEAS 12 TO 24 FT.

...HURRICANE FORCE WIND WARNING... 
.COMPLEX LOW WITH FIRST CENTER 42N142W 972 MB MOVING NE 35 KT
THEN TURNING NW AFTER 06 HOURS...AND SECOND CENTER 37N142W 978 MB
MOVING NE 35 KT. FROM 32N TO 42N BETWEEN 137W AND 145W WINDS 50
TO 65 KT. SEAS 19 TO 38 FT. ELSEWHERE FROM 30N TO 43N BETWEEN
135W AND 148W WINDS 40 TO 50 KT. SEAS 16 TO 32 FT. OTHERWISE FROM
30N TO 43N BETWEEN 124W AND 160W WINDS 25 TO 40 KT. SEAS 12 TO 24
FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 55N148W 965 MB
AND SECOND CENTER 49N132W 983 MB. WITHIN 300 NM N QUADRANT OF
FIRST CENTER...AND WITHIN 240 NM NE AND E OF A FRONT TO EXTEND
FROM THE FIRST CENTER TO 53N139W TO THE SECOND CENTER WINDS 35 TO
50 KT. SEAS 14 TO 28 FT. ELSEWHERE E OF A LINE FROM 42N133W TO
50N140W TO 59N154W WINDS 25 TO 35 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOWS DISSIPATED. CONDITIONS ABSORBED AND
DESCRIBED ABOVE WITH LOW 50N140W.

...STORM WARNING... 
.COMPLEX LOW WITH FIRST CENTER 49N147W 956 MB MOVING NW 20 KT AND
SECOND CENTER 50N137W 976 MB MOVING NW 40 KT. WITHIN 240 NM SW
SEMICIRCLE OF THE FIRST CENTER...AND FROM 48N TO 53N BETWEEN 126W
AND 138W WINDS 40 TO 55 KT. SEAS 14 TO 28 FT...HIGHEST NEAR
46N147W. ELSEWHERE EXCEPT AS NOTED ABOVE WITH LOW 42N142W...FROM
40N TO 57N BETWEEN 124W AND 158W WINDS 25 TO 40 KT. SEAS 11 TO 22
FT.
.24 HOUR FORECAST COMBINED LOW 53N157W 959 MB. FROM 55N TO 60N
BETWEEN 148W AND 162W WINDS 35 TO 50 KT. SEAS 13 TO 26 FT.
ELSEWHERE FROM 50N TO 59N BETWEEN 159W AND 168W WINDS 25 TO 35
KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW 56N166W 969 MB. N OF 57N BETWEEN 169W AND
179E WINDS 35 TO 50 KT. SEAS 9 TO 18 FT. ELSEWHERE N OF 53N
BETWEEN 165W AND 177E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...STORM WARNING...
.30 HOUR FORECAST LOW W OF AREA 40N151E 985 MB. FROM 33N TO 44N
BETWEEN 160E AND 164E WINDS 30 TO 45 KT. SEAS 10 TO 20 FT.
.42 HOUR FORECAST LOW W OF AREA 44N158E 963 MB. FROM 32N TO 47N
BETWEEN 160E AND 169E WINDS 40 TO 55 KT. SEAS 12 TO 24 FT.
.48 HOUR FORECAST LOW 44N160E 954 MB. FROM 32N TO 49N BETWEEN
160E AND 174E WINDS 45 TO 60 KT. SEAS 13 TO 26 FT. ELSEWHERE W OF
A LINE FROM 53N167E TO 40N179E TO 30N179E WINDS 30 TO 45 KT. SEAS
9 TO 18 FT.

...GALE WARNING... 
.LOW 57N164W 982 MB MOVING W 20 KT. WITHIN 180 NM N AND NE
QUADRANT...AND N OF A LINE FROM 60N168W TO 58N177E WINDS 25 TO 40
KT. SEAS 8 TO 13 FT...HIGHEST N OF LINE.
.24 HOUR FORECAST LOW 56N177W 984 MB. N OF A LINE FROM 60N168W TO
56N173E WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED AND
DESCRIBED ABOVE WITH LOW 56N166W.

...GALE WARNING... 
.LOW NW OF AREA 54N166E 978 MB MOVING SE 10 KT. FROM 37N TO 42N
BETWEEN 160E AND 166E WINDS 35 TO 45 KT. SEAS 9 TO 18 FT.
ELSEWHERE FROM 35N TO 50N BETWEEN 160E AND 166E WINDS 25 TO 35
KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 51N167E 990 MB. FROM 34N TO 50N BETWEEN
170W AND 160E WINDS 30 TO 45 KT. SEAS 13 TO 26 FT...HIGHEST E.
.48 HOUR FORECAST LOW DISSIPATED. WITHIN AN AREA BOUNDED BY A
LINE FROM 53N166W TO 50N154W TO 39N140W TO 30N155W TO 30N167W TO
40N180W TO 53N180W TO 53N166W WINDS 30 TO 45 KT. SEAS 18 TO 36
FT...HIGHEST SE.

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF ALASKA. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 60N163W TO
59N167W TO 62N175W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 59N162W TO 59N165W TO 61N172W TO 61N176W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 59N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS FROM 48N TO 52N
BETWEEN 149W AND 155W...FROM 55N TO 59N BETWEEN 161W AND
170W...AND FROM 41N TO 46N BETWEEN 168W AND 175E.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 48N BETWEEN 148W AND
157W...FROM 49N TO 58N BETWEEN 158W AND 170W...FROM 55N TO 61N
BETWEEN 173W AND 171E...AND FROM 48N TO 50N BETWEEN 176W AND
180W.
.48 HOUR FORECAST DENSE FOG FROM 51N TO 56N BETWEEN 140W AND
154W...FROM 52N TO 60N BETWEEN 166W AND 179W...AND FROM 46N TO
49N BETWEEN 160E AND 172E.

.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

E PACIFIC FROM THE EQUATOR TO 30N E OF 140W AND 03.4S TO THE
EQUATOR E OF 120W

SYNOPSIS VALID 1800 UTC FRI DEC 20.
24 HOUR FORECAST VALID 1800 UTC SAT DEC 21.
48 HOUR FORECAST VALID 1800 UTC SUN DEC 22.

.WARNINGS.

...GALE WARNING...
.WITHIN 16N94W TO 16N95W TO 16N96W TO 15N96W TO 14N95W TO 15N94W
TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N WINDS 30 TO 
35 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 14N94W TO 15N94W TO 
16N95W TO 13N97W TO 12N96W TO 13N95W TO 14N94W WINDS 20 TO 30 
KT. SEAS 10 TO 12 FT. REMAINDER AREA WITHIN 15N94W TO 16N95W TO 
14N97W TO 12N99W TO 10N95W TO 12N94W TO 15N94W WINDS 20 KT OR
LESS. SEAS 8 TO 12 FT IN N TO NE SWELL.
.24 HOUR FORECAST WITHIN 16.5N94.5W TO 16.5N95W TO 16N95.5W TO 
15N95.5W TO 15N95W TO 15N94.5W TO 16.5N94.5W...INCLUDING THE GULF
OF TEHUANTEPEC... N WINDS 30 TO 35 KT. SEAS 10 TO 16 FT.
ELSEWHERE WITHIN 14N94W TO 16N93W TO 16N95W TO 16N96W TO 12N97W 
TO 11N97W TO 14N94W N TO NE WINDS 20 TO 30 KT. SEAS 8 TO 13 FT. 
REMAINDER AREA WITHIN 13N93W TO 16N94W TO 14N98W TO 11N99W TO 
09N102W TO 10N95W TO 13N93W WINDS 20 KT OR LESS. SEAS 8 TO 11 
FT IN N TO NE SWELL.
.48 HOUR FORECAST WITHIN 16N94W TO 16N96W TO 14N96W TO 14N95W TO
15N94W TO 16N94W...INCLUDING THE GULF OF TEHUANTEPEC... N TO NE 
WINDS 20 TO 30 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 13N94W TO 
15N94W TO 14N98W TO 08N103W TO 06N102W TO 07N97W TO 13N94W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.

.SYNOPSIS AND FORECAST.

.WITHIN 30N133W TO 30N140W TO 27N140W TO 28N136W TO 30N133W SW
WINDS 20 TO 25 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 20N131W TO
27N131W TO 26N140W TO 04N140W TO 04N124W TO 13N124W TO 20N131W 
WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 30N126W TO 30N140W TO 18N140W TO 
22N132W TO 30N126W WINDS 20 KT OR LESS. SEAS 12 TO 20 FT IN NW 
SWELL. ELSEWHERE WITHIN 21N128W TO 30N123W TO 30N140W TO 05N140W 
TO 08N125W TO 14N123W TO 21N128W WINDS 20 KT OR LESS. SEAS 8 TO 
12 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N116W TO 30N140W TO 09N140W TO 
14N129W TO 30N116W WINDS 20 KT OR LESS. SEAS 12 TO 15 FT IN NW 
SWELL. ELSEWHERE WITHIN 24N114W TO 30N116W TO 30N140W TO 01N140W 
TO 11N121W TO 24N114W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW 
SWELL.

.WITHIN 11N86W TO 11N87W TO 10N87W TO 10N86W TO
11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20 TO 25 KT.
SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 11N86W TO 10N87W TO 10N88W TO 10N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 11N86W TO 10N88W TO 09N88W TO 09N87W TO
10N86W TO 11N86W...INCLUDING THE GULF OF PAPAGAYO... NE WINDS 20
TO 25 KT. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

CONVECTION VALID AT 2000 UTC FRI DEC 20...

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH...
MONSOON TROUGH FROM 09N85W TO 06N97W. ITCZ FROM 06N97W TO 
07N140W. SCATTERED MODERATE ISOLATED STRONG FROM 04N TO 08N E OF
82W. SCATTERED MODERATE FROM 07N TO 10N BETWEEN 122W AND 140W.

.FORECASTER AL. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1800 UTC DEC 20 2024.
24 HOUR FORECAST VALID 1800 UTC DEC 21 2024.
48 HOUR FORECAST VALID 1800 UTC DEC 22 2024.

.WARNINGS.

...GALE WARNING...
.TROUGH FROM 30N141W TO 25N150W NEARLY STATIONARY AND
DISSIPATING. W WINDS 30 TO 35 KT N OF 27N E OF 148W. W WINDS 20
TO 30 KT N OF 25N E OF 154W.
.24 HOUR FORECAST TROUGH AND WINDS 20 KT OR GREATER MOVED NE OF
AREA.

...GALE WARNING...
.FRONT FROM 30N178E TO 22N160E MOVING E 40 KT. SW WINDS 30 TO
35 KT N OF 28N BETWEEN 174W AND 175E. W TO SW WINDS 20 TO 30 KT
ELSEWHERE N OF 26N BETWEEN 164W AND 167E.
.12 HOUR FORECAST FRONT FROM 30N167W TO 25N180E TO 25N160E.
SW WINDS 30 TO 35 KT N OF 27N BETWEEN 155W AND 175W. W TO SW
WINDS 20 TO 30 KT ELSEWHERE N OF 26N BETWEEN 151W AND 177W.
.24 HOUR FORECAST FRONT FROM 30N155W TO 26N170E TO 25N163E TO
23N160E. SW WINDS 30 TO 35 KT N OF 28N BETWEEN 146W AND 158W.
W TO SW WINDS 20 TO 30 KT ELSEWHERE N OF 26N E OF 156W.
.36 HOUR FORECAST FRONT FROM 30N145W TO 26N150W TO 24N178E.
SW WINDS 20 TO 30 KT N OF 27N E OF 150W.
.48 HOUR FORECAST FRONT FROM 30N140W TO 25N165E. WINDS FALLEN
TO 20 KT OR LESS.

.SYNOPSIS AND FORECAST.

.NE WINDS 20 TO 25 KT FROM 14N TO 04N.
.24 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 13N TO 04N.
.48 HOUR FORECAST NE WINDS 20 TO 25 KT FROM 15N TO 04N.

.SEAS 18 TO 23 FT N OF 28N E OF 165W. SEAS 12 TO 18 FT ELSEWHERE
N OF A LINE FROM 26N140W TO 20N156W TO 29N176W TO 28N160E. SEAS
8 TO 12 FT ELSEWHERE N OF A LINE FROM 06N140W TO 04N174E TO
25N178E TO 24N160E.
.24 HOUR FORECAST SEAS 18 TO 23N N OF 28N BETWEEN 161W AND 177W.
SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM 18N140W TO 17N152W
TO 27N162W TO 26N171E. SEAS 8 TO 12 FT ELSEWHERE N OF A LINE
FROM 06N140W TO 04N174E TO 24N171W TO 20N160E.
.48 HOUR FORECAST SEAS 18 TO 27N N OF A LINE FROM 30N141W TO
22N158W TO 30N162W. SEAS 12 TO 18 FT ELSEWHERE N OF A LINE FROM
28N140W TO 18N167W TO 30N176W.  SEAS 8 TO 12 FT ELSEWHERE N OF
A LINE FROM 03N140W TO 05N176E TO 24N169E TO 26N160E.

.OTHERWISE...WINDS 20 KT OR LESS AND SEAS 8 FT OR LOWER OVER THE
REMAINDER OF FORECAST AREA.

.ITCZ FROM 07N140W TO 04N171W TO 04N180E. ISOLATED MODERATE TSTMS
WITHIN 150 NM OF ITCZ.

$$

.FORECASTER FOSTER. HONOLULU HI.