High seas forecast issued, warning of hazardous conditions and dense fog.

FZPN02 KWBC 181125
HSFEPI 1145

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1145 UTC WED DEC 18 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 18.
24 HOUR FORECAST VALID 0600 UTC DEC 19.
48 HOUR FORECAST VALID 0600 UTC DEC 20.

.WARNINGS.

…HURRICANE FORCE WIND WARNING…
.24 HOUR FORECAST LOW 41N173E 983 MB. WITHIN 150 NM S QUADRANT
WINDS 50 TO 65 KT. SEAS 18 TO 27 FT. ELSEWHERE WITHIN 360 NM SW
SEMICIRCLE WINDS 35 TO 50 KT. SEAS 14 TO 24 FT. ALSO FROM 31N TO
42N W OF 180W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT…HIGHEST FROM
36N TO 42N BETWEEN 180W AND 164E.
.48 HOUR FORECAST LOW 38N153W 976 MB. WITHIN 240 NM S…AND 420
NM SW QUADRANTS WINDS 50 TO 65 KT. SEAS 20 TO 40 FT. ELSEWHERE
WITHIN 420 NM S AND 660 NM SW QUADRANTS WINDS 35 TO 50 KT. SEAS
18 TO 39 FT…HIGHEST SW OF CENTER. ALSO FROM 30N TO 50N BETWEEN
150W AND 160W…AND N OF 30N TO THE ALEUTIANS BETWEEN 160W AND
180W WINDS 25 TO 35 KT. SEAS 12 TO 30 FT…HIGHEST FROM 30N TO
43N BETWEEN 150W AND 177W.

…STORM WARNING…
.COMPLEX LOW WITH MAIN LOW 44N153W 978 MB MOVING NW 25 KT. WITHIN
300 NM E OF A LINE FROM 50N160W TO 40N154W WINDS 35 TO 50 KT.
SEAS 17 TO 23 FT. ELSEWHERE FROM 40N TO 50N BETWEEN 145W AND 160W
WINDS 25 TO 40 KT. SEAS 15 TO 21 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 51N144W 977 MB.
WITHIN 660 NM E AND 240 NM N QUADRANTS WINDS 35 TO 50 KT. SEAS 11
TO 22 FT…HIGHEST WITHIN 150 NM E QUADRANT. ELSEWHERE N OF 46N E
OF 150W…AND S OF 46N TO A LINE FROM 30N138W TO 40N126W TO
48N124W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.

…STORM WARNING…
.COMPLEX LOW WITH MAIN LOW 38N151W 986 MB MOVING NE 35 KT. WITHIN
240 NM E SEMICRICLE WINDS 35 TO 50 KT. SEAS 15 TO 20 FT.
ELSEWHERE FROM 30N TO 40N BETWEEN 145W AND 160W WINDS 25 TO 40
KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 49N137W 994 MB.
CONDITIONS DESCRIBED ABOVE WITH LOW 51N144W.

…STORM WARNING…
.COMPLEX LOW WITH MAIN LOW 51N158W 974 MB MOVING N 05 KT. WITHIN
240 NM E AND NE OF A LINE FROM 50N160W TO 54N163W WINDS 35 TO 50
KT. SEAS 12 TO 22 FT…EXCEPT SEAS TO 12 FT IN THE BERING SEA.
ELSEWHERE WITHIN 420 NM E AND 480 NM N QUADRANTS…AND N OF 52N
BETWEEN 160W AND 175W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 53N158W 973 MB. WITHIN 300 NM NE SEMICRICLE
WINDS 30 TO 45 KT. SEAS 12 TO 23 FT. ELSEWHERE FROM 50N TO ALASKA
BETWEEN 150W AND 170W WINDS 25 TO 40 KT. SEAS 12 TO 21 FT.
.48 HOUR FORECAST LOW 54N171W 973 MB. N OF THE ALEUTIANS WINDS 25
TO 35 KT. SEAS 8 TO 16 FT.

…STORM WARNING…
.COMPLEX LOW WITH MAIN LOW 33N166E 1009 MB MOVING E 50 KT AND
RAPIDLY INTENSIFYING. FROM 30N TO 35N W OF 180W WINDS 25 TO 35
KT. SEAS 10 TO 21 FT…HIGHEST NEAR 180W.
.24 HOUR FORECAST COMBINED LOW 40N167W 982 MB. WITHIN 480 NM
S…600 NM SW…AND 780 NM W QUADRANTS WINDS 35 TO 50 KT. SEAS 18
TO 30 FT. ELSEWHERE WITHIN 360 NM E…600 NM SE AND S…840 NM
SW…AND 1080 NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 13 TO 25 FT.
ALSO FROM 30N TO 50N BETWEEN 150W AND 170W…AND FROM 30N TO THE
ALEUTIANS BETWEEN 170W AND 180W WINDS 25 TO 35 KT. SEAS 12 TO 21
FT.
.48 HOUR FORECAST LOW 46N146W 961 MB. WITHIN 18O 45 KT. SEAS 10 TO 21
FT…HIGHEST SW OF CENTER. ALSO FROM 30N TO 52N W OF 180W WINDS
20 TO 30 KT. SEAS 9 TO 18 FT.

…GALE WARNING…
.COMPLEX LOW WITH MAIN LOW 53N135W 987 MB MOVING NE 10 KT. WITHIN
300 NM FROM LOW CENTER…AND FROM 40N TO 50N E OF 131W WINDS 25
TO 40 KT. SEAS 10 TO 20 FT. ELSEWHERE FROM 50N TO 57N E OF
150W…FROM 40N TO 50N E OF 145W…AND FROM 30N TO 40N BETWEEN
145W AND A LINE FROM 30N138W TO 40N124W WINDS 20 TO 30 KT. SEAS 9
TO 17 FT.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DIMINISHED.

…GALE WARNING…
.COMPLEX LOW WITH MAIN LOW 51N168W 948 MB MOVING NW 15 KT. WITHIN
150 NM E SEMICRICLE…AND WITHIN 960 NM S AND 840 NM SW QUADRANTS
WINDS 30 TO 45 KT. SEAS 15 TO 30 FT…HIGHEST NEAR 40N175W.
ELSEWHERE FROM 30N TO 52N BETWEEN 160W AND 180W…AND FROM 35N TO
52N W OF 180W WINDS 25 TO 40 KT. SEAS 12 TO 27 FT…HIGHEST SW OF
CENTER.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 55N176W 963 MB.
WITHIN 420 NM NE SEMICRICLE WINDS 30 TO 45 KT. SEAS 10 TO 20 FT.
ELSEWHERE N OF THE ALEUTIANS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW AND CONDITIONS W OF AREA.

…GALE WARNING…
.LOW W OF AREA NEAR 52N161E 976 MB MOVING SE 10 KT. N OF 52N AND
W OF 175W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 48N164E 982 MB. FROM 42N TO 51N W OF 180W
WINDS 25 TO 40 KT. SEAS 10 TO 20 FT…HIGHEST NEAR 180W.
.48 HOUR FORECAST LOW DISSIPATED. CONDITIONS ABSORBED BY LOW
38N153W DESCRIBED ABOVE.

…GALE WARNING…
.24 HOUR FORECAST LOW 45N146W 982 MB. FROM 30N TO 46N BETWEEN
150W AND 138W WINDS 25 TO 40 KT. SEAS 12 TO 22 FT…HIGHEST NEAR
37N150W.
.48 HOUR FORECAST LOW DISSIPATED. EXCEPT WHERE DESCRIBED WITH LOW
46N146W ABOVE…N OF 50N E OF 160W WINDS 20 TO 30 KT. SEAS 9 TO
18 FT.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY 1 NM OR LESS W OF A LINE FROM
53N175E TO 56N177W TO 63N171W…FROM 58N TO 61N BETWEEN 166W AND
172W…AND FROM 48N TO 52N BETWEEN 170W AND 177W.
.24 HOUR FORECAST DENSE FOG FROM 50N TO 56N W OF 180W…FROM 46N
TO 48N W OF 165E…FROM 41N TO 44N BETWEEN 176E AND 167E…AND
WITHIN 60 NM FROM 44N127W.
.48 HOUR FORECAST DENSE FOG WITHIN 60 NM NE OF A LINE FROM
58N176E TO 55N176W…FROM 55NTO 58N BETWEEN 157W AND 167W…FROM
45N TO 51N BETWEEN 145W AND 150W…AND FROM 38N TO 42N BETWEEN
174E AND 165E.

.LIGHT FREEZING SPRAY N OF 63N W OF ALASKA.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 58N158W TO 60N168W TO 63N174W.

.FORECASTER EHRBAR. 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 0600 UTC WED DEC 18.
24 HOUR FORECAST VALID 0600 UTC THU DEC 19.
48 HOUR FORECAST VALID 0600 UTC FRI DEC 20.

.WARNINGS.

…GALE WARNING…
.WITHIN 16N94W TO 16N95W TO 14N97W TO 12N96W TO 13N95W TO
16N94W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE WINDS 20 TO
30 KT. SEAS TO 8 FT.
.12 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 15N96W TO 14N95W TO
15N94W TO 16N94W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE
WINDS 20 TO 30 KT. SEAS 8 FT.
.24 HOUR FORECAST WITHIN 16.5N94.5W TO 16.5N95W TO 16N95.5W TO
15.5N95W TO 15.5N94.5W TO 16.5N94.5W…INCLUDING THE GULF OF
TEHUANTEPEC…N TO NE WINDS 30 TO 35 KT. SEAS 8 TO 11 FT.
.42 HOUR FORECAST WITHIN 16N94W TO 16N95W TO 16N96W TO 15N95W TO
15N94W TO 16N94W…INCLUDING THE GULF OF TEHUANTEPEC…N TO NE
WINDS 30 TO 35 KT. SEAS 9 TO 13 FT. ELSEWHERE WITHIN 15N94W TO
16N94W TO 16N95W TO 12N98W TO 12N97W TO 14N95W TO 15N94W NE
WINDS 20 TO 30 KT. SEAS 8 TO 11 FT. REMINDER OF AREA WITHIN
14N94W TO 15N94W TO 13N95W TO 13N97W TO 12N97W TO 12N96W TO
14N94W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.48 HOUR FORECAST LITTLE CHANGE.

.SYNOPSIS AND FORECAST.

.WITHIN 17N124W TO 30N118W TO 30N140W TO 03N140W TO 09N113W TO
07N124W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED NE AND
NW SWELL.
.24 HOUR FORECAST COLD FRONT JUST NW OF AREA. WITHIN 25N115W TO
22N134W TO 30N125W TO 30N140W TO 03N140W TO 09N114W TO
25N115W…INCLUDING SEBASTIAN VIZCAINO BAY…WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN NW SWELL…EXCEPT IN MIXED NE AND NW
SWELL FROM 03N TO 11N W OF 120W.
.48 HOUR FORECAST COLD FRONT FROM 30N138W TO 28N140W. WITHIN
30N132W TO 30N138W TO 28N140W TO 29N135W TO 30N132W SW TO W
WINDS 20 TO 25 KT. SEAS 11 TO 14 FT IN NW SWELL. ELSEWHERE
WITHIN 09N116W TO 17N131W TO 30N119W TO 30N140W TO 05N140W TO
09N116W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.

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

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

CONVECTION VALID AT 0930 UTC WED DEC 18…

.TROUGH FROM 10N125W TO 05N125W. SCATTERED MODERATE FROM 04N TO
06N BETWEEN