High seas forecast warns of severe conditions in specified regions.

FZPN02 KWBC 151725
HSFEPI 1745

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN DEC 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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.

ONLY YOU KNOW THE WEATHER AT YOUR POSITION. REPORT IT TO THE
NATIONAL WEATHER SERVICE. EMAIL US AT
[email protected](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 1200 UTC DEC 15.
24 HOUR FORECAST VALID 1200 UTC DEC 16.
48 HOUR FORECAST VALID 1200 UTC DEC 17.

.WARNINGS.

…HURRICANE FORCE WIND WARNING…
.LOW 52N175E 935 MB MOVING NE 05 KT. WITHIN 480 NM S AND SW
QUADRANTS AND BETWEEN 120 NM AND 360 NM N AND NE QUADRANTS WINDS
50 TO 65 KT. SEAS 38 TO 55 FT. ELSEWHERE WITHIN 480 NM NE
SEMICIRCLE…BETWEEN 300 NM AND 540 NM NE QUADRANT…AND FROM 40N
TO 50N BETWEEN 168W AND 161E WINDS 35 TO 50 KT. SEAS 18 TO 38
FT…HIGHEST S OF CENTER. OTHERWISE S OF 60N W OF 165W…EXCEPT S
OF 36N W OF 170E…WINDS 25 TO 35 KT. SEAS 10 TO 24 FT IN A MIXED
SWELL.
.24 HOUR FORECAST LOW 53N178E 952 MB. WITHIN 420 NM SE AND S
QUADRANTS WINDS 35 TO 50 KT. SEAS 26 TO 42 FT. ELSEWHERE WITHIN
THE BERING SEA W OF 167W AND WITHIN 1260 NM SE QUADRANT WINDS 25
TO 40 KT. SEAS 12 TO 26 FT.
.48 HOUR FORECAST LOW 52N172E 955 MB. CONDITIONS MERGED WITH LOW
52N176W BELOW.

…STORM WARNING…
.COMPLEX LOW WITH MAIN CENTER 47N150W 979 MB MOVING E 20 KT AND
SECOND CENTER 47N143W 982 MB MOVING NW 10 KT. WITHIN 240 NM SW
SEMICIRCLE OF MAIN CENTER AND WITHIN 300 NM E QUADRANT OF SECOND
CENTER WINDS 35 TO 50 KT. SEAS 21 TO 33 FT…HIGHEST S OF MAIN
CENTER. ELSEWHERE FROM 32N TO 54N BETWEEN 128W AND 165W WINDS 25
TO 35 KT. SEAS 9 TO 21 FT.
.24 HOUR FORECAST LOW 45N139W 984 MB. WITHIN 300 NM S QUADRANT
WINDS 30 TO 45 KT. SEAS 24 TO 33 FT. ELSEWHERE FROM 33N TO 57N
BETWEEN 123W AND 150W WINDS 25 TO 35 KT. SEAS 9 TO 21 FT IN A
MIXED SWELL.
.48 HOUR FORECAST LOW DISSIPATED AND CONDITIONS DESCRIBED WITH
LOW 47N137W BELOW.

…STORM WARNING…
.24 HOUR FORECAST NEW LOW NEAR 47N157W 980 MB. WITHIN 120 NM
EITHER SIDE OF A LINE FROM 50N160W TO 42N150W TO 39N150W TO
33N160W WINDS 35 TO 50 KT. SEAS 12 TO 19 FT. ELSEWHERE S OF 50N
BETWEEN 150W AND 170W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
.48 HOUR FORECAST LOW 47N137W 990 MB. FROM 43N TO 51N BETWEEN
125W AND 146W WINDS 25 TO 35 KT. SEAS 12 TO 20 FT. ALSO N OF 50N
E OF 153W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.

…STORM WARNING…
.24 HOUR FORECAST LOW 46N165E 980 MB. FROM 38N TO 46N W OF 174E
WINDS 40 TO 55 KT. SEAS 18 TO 29 FT. ELSEWHERE S OF 50N E OF 178E
WINDS 25 TO 40 KT. SEAS 9 TO 20 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 52N176W 952
MB. FROM 36N TO 47N W OF 170W WINDS 35 TO 50 KT. SEAS 21 TO 35
FT. ELSEWHERE S OF 54N W OF 160W…WITHIN 150 NM EITHER SIDE OF A
LINE FROM 62N176W TO 57N156W…AND WITHIN 540 NW QUADRANT WINDS
25 TO 35 KT. SEAS 12 TO 25 FT…EXCEPT IN THE BERING SEA SEAS 8
TO 16 FT. ALSO FROM 34N TO 56N BETWEEN 150W AND 160W WINDS TO 25
KT. SEAS 12 TO 22 FT.

…GALE WARNING…
.N OF 62N W OF ALASKA AREA OF E WINDS 25 TO 35 KT. SEAS 8 TO 13
FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 53N178E IN
HURRICANE FORCE WARNING ABOVE.

…GALE WARNING…
.24 HOUR FORECAST NEW LOW NEAR 52N166W 972 MB. FROM 50N TO 56N
BETWEEN 160W AND 170W WINDS 25 TO 40 KT. SEAS 18 TO 24 FT. ALSO
WITHIN 600 NM NE QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DESCRIBED WITH LOW 52N176W ABOVE.

…GALE WARNING…
.48 HOUR FORECAST NEW LOW NEAR 39N144W 1002 MB. WITHIN 240 NM
EITHER SIDE OF A LINE FROM 48N125W TO 30N148W AND WITHIN 600 NM W
QUADRANT WINDS 25 TO 40 KT. SEAS 11 TO 20 FT. ALSO WITHIN 780 NM
SE QUADRANT WINDS TO 25 KT. SEAS 8 TO 13 FT.

…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY N OF 61N W OF ALASKA.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 58N W OF ALASKA.
.24 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.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 63N W OF
ALASKA. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N OF 61N W OF
ALASKA.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS FROM 48N TO 58N W OF
166W AND N OF 59N W OF ALASKA.
.24 HOUR FORECAST DENSE FOG N OF 50N W OF 168W…FROM 44N TO 50N
W OF 178W…AND FROM 50N TO 57N BETWEEN 152W AND 165W.
.48 HOUR FORECAST DENSE FOG N OF 47N W OF 162W.

.FORECASTER ANDERSON. 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 1200 UTC SUN DEC 15.
24 HOUR FORECAST VALID 1200 UTC MON DEC 16.
48 HOUR FORECAST VALID 1200 UTC TUE DEC 17.

.WARNINGS.

…GALE WARNING…
.WITHIN 16N94W TO 16N95W TO 15N95W TO 16N94W…INCLUDING THE
GULF OF TEHUANTEPEC…N WINDS 25 TO 35 KT. SEAS 8 TO 11 FT.
ELSEWHERE WITHIN 15N94W TO 15N95W TO 16N96W TO 13N97W TO
13N95W TO 14N94W TO 15N94W N TO NE WINDS 20 TO 30 KT. SEAS
8 TO 10 FT.
.03 HOUR FORECAST LITTLE CHANGE EXCEPT WINDS BELOW GALE FORCE.
.24 HOUR FORECAST WITHIN 16N95W TO 14N96W TO 13N96W TO 13N95W TO
14N94W TO 16N95W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.48 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 13N96W TO
14N95W TO 16N94W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE
WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.

.SYNOPSIS AND FORECAST.

.WITHIN 30N116W TO 30N140W TO 10N140W TO 11N116W TO 18N111W TO
30N116W…INCLUDING SEBASTIAN VIZCAINO BAY AND WITHIN 60 NM OF
SHORE…WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL.
.24 HOUR FORECAST WITHIN 24N112W TO 29N115W TO 30N125W TO
21N140W TO 10N140W TO 12N114W TO 24N112W…INCLUDING SEBASTIAN
VIZCAINO BAY AND WITHIN 60 NM OF SHORE WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 30N128W TO 30N140W TO 22N140W TO
30N128W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW SWELL. WITHIN
27N118W TO 20N140W TO 10N140W TO 11N118W TO 17N114W TO
27N118W…INCLUDING WITHIN 60 NM OF SHORE…WINDS 20 KT OR
LESS. SEAS 8 TO 11 FT IN NW SWELL.

.WITHIN 06N102W TO 10N115W TO 10N140W TO 00N140W TO 04N125W TO
03N108W TO 06N102W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE
SWELL.
.24 HOUR FORECAST WITHIN 09N127W TO 11N131W TO 10N140W TO
08N140W TO 08N133W TO 07N127W TO 09N127W NE TO E WINDS 20 TO 25
KT. SEAS 10 TO 12 FT IN NE SWELL. ELSEWHERE WITHIN 10N113W TO
07N126W TO 07N140W TO 01N140W TO 02N118W TO 06N111W TO 10N113W
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 10N106W TO 10N140W TO 02N140W TO
02N130W TO 05N116W TO 06N99W TO 10N106W WINDS 20 KT OR LESS.
SEAS 8 TO 12 FT IN NE SWELL.

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

CONVECTION VALID AT 1500 UTC SUN DEC 15…

.INTERTROPICAL CONVERGENCE ZONE/MONSOON TROUGH…
MONSOON TROUGH FROM 09N84W TO 05N103W. ITCZ FROM 05N103W TO
BEYOND 07N140W. NO SIGNIFICANT CONVECTION NOTED AT THIS TIME.

.FORECASTER ERA. NATIONAL HURRICANE CENTER.

NATIONAL WEATHER SERVICE HONOLULU HI

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

SYNOPSIS VALID 1200 UTC DEC 15 2024.
24 HOUR FORECAST VALID 1200 UTC DEC 16 2024.
48 HOUR FORECAST VALID 1200 UTC DEC 17 2024.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.FRONT 30N173E 24N160E MOVING E 35 KT ALONG 30N. SW WINDS 20 TO
25 KT WITHIN 480 NM E OF FRONT N OF 29N.
.24 HOUR FORECAST FRONT 30N169W 27N180W 26N170E. SW WINDS 20 TO
25 KT BETWEEN FRONT AND 152W N OF 29N.
.48 HOUR FORECAST FRONT 30N150W 27N160W 27N165W. SW WINDS 20 TO
25 KT BETWEEN FRONT AND 142W N OF 28N. N TO NE WINDS 20 TO 25 KT
WITHIN 60 NM OF FRONT E OF 156W.

.FRONT 30N148W 28N157W 28N163W MOVING E 30 KT ALONG 30N AND
NEARLY STATIONARY W OF 155W.
.24 HOUR FORECAST FRONT DISSIPATED.

.48 HOUR FORECAST NEW FRONT 30N171W 27N173W 23N170E. WINDS 20 TO
25 KT N OF 27N BETWEEN 180W AND 166W.

.E WINDS 20 TO 25 KT FROM 07N TO 18N E OF 178E…AND S OF 05N E
OF 160W.
.24 HOUR FORECAST E WINDS 20 TO 25 KT FROM 08N TO 17N W OF
175W…AND FROM 07N TO 15N E OF 153W.
.48 HOUR FORECAST E WINDS 20 TO 25 KT W OF LINE 20N160E 14N180W
07N180W 07N160…AND E OF LINE 16N140W 13N150W 10N150W 08N140W.

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

.SEAS 12 TO 13 FT FROM 09N TO 13N BETWEEN 163W AND 158W. SEAS 8
TO 12 FT ELSEWHERE E OF LINE 23N140W 23N170E 19N160E 10N160E
00N165W.
.24 HOUR FORECAST SEAS 8 TO 12 FT N OF LINE 20N160E 20N165E
28N180W 30N160W. SEAS 8 TO 11 FT E OF LINE 20N140W 20N160E 08N160E
08N170E 00N174W. SEAS 8 TO 9 FT N OF LINE 30N155W 27N150W
30N140W.
.48 HOUR FORECAST SEAS 12 TO 13 FT N OF LINE 30N180W 28N170W
30N163W. SEAS 8 TO 12 FT ELSEWHERE N OF LINE 07N160E 00N172W
00N155W 04N140W…EXCEPT 8 FT OR LESS IN AREA BOUNDED BY 26N152W
16N155W 18N175W 24N170W 26N152W.

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

.ITCZ 05N140W 06N151W 05N156W 06N170W 06N180W. ISOLATED MODERATE
TSTMS WITHIN 150 NM N OF ITCZ.

¤¤

.FORECASTER JELSEMA. HONOLULU HI.

UUID 8887E0C2-BB09-11EF-B4F8-0AFB0A260000 TX 1