High seas forecast issued; hurricane force winds and significant wave heights expected.

FZPN02 KWBC 291725
HSFEPI 1745

HIGH SEAS FORECAST FOR METAREA XII
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1745 UTC SUN DEC 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 29.
24 HOUR FORECAST VALID 1200 UTC DEC 30.
48 HOUR FORECAST VALID 1200 UTC DEC 31.

.WARNINGS.

…HURRICANE FORCE WIND WARNING…
.LOW 52N166W 966 MB MOVING N 25 KT THEN TURNING NW BY 06 HOURS.
WITHIN 120 NM S SEMICIRCLE WINDS 50 TO 65 KT. SEAS 20 TO 30 FT.
ALSO WITHIN 180 NM S SEMICIRCLE…180 NM N AND NW QUADRANTS WINDS
40 TO 55 KT. SEAS 14 TO 24 FT. ELSEWHERE FROM 46N TO 59N BETWEEN
155W AND 173W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT…HIGHEST NEAR
47N167W.
.24 HOUR FORECAST LOW 59N179W 967 MB. WITHIN 300 NM NE QUADRANT
WINDS 40 TO 50 KT. SEAS 14 TO 28 FT. ALSO FROM 55N TO 63N W OF
164W WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.48 HOUR FORECAST LOW W OF AREA NEAR 60N169E 987 MB. CONDITIONS
DIMINISHED.

…HURRICANE FORCE WIND WARNING…
.18 HOUR FORECAST LOW 42N163E 992 MB. WITHIN 60 NM N AND 660 NM S
QUADRANTS WINDS 30 TO 45 KT. SEAS 10 TO 20 FT.
.24 HOUR FORECAST LOW 43N167E 988 MB. WITHIN 180 NM SE…360 NM
S…180 NM W AND 120 NM NW QUADRANTS WINDS 40 TO 55 KT. SEAS 14
TO 24 FT. ELSEWHERE FROM 32N TO 44N BETWEEN 173E AND 160E WINDS
30 TO 45 KT SEAS 10 TO 22 FT.
.30 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER NEAR 42N170E 975
MB. WITHIN 120 NM SW SEMICIRCLE AND 120 NM NW QUADRANT WINDS 50
TO 70 KT. SEAS 18 TO 32 FT. ALSO WITHIN 300 NM E…420 NM SE AND
S…240 NM W AND 180 NM NW QUADRANTS WINDS 40 TO 50 KT. SEAS 17
TO 28 FT. ELSEWHERE W OF A LINE FROM 45N178E TO 39N178W TO
30N173E WINDS 25 TO 40 KT. SEAS 9 TO 21 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 44N173E 977 MB.
WITHIN 120 NM N…300 NM S AND 420 NM W QUADRANTS WINDS 45 TO 60
KT. SEAS 24 TO 34 FT. ALSO FROM 35N TO 51N BETWEEN 165W AND 164E
WINDS 30 TO 45 KT. SEAS 15 TO 26 FT.

…STORM WARNING…
.LOW 41N175E 998 MB MOVING NE 35 KT. WITHIN 240 NM S QUADRANT
WINDS 25 TO 40 KT. SEAS 12 TO 20 FT.
.24 HOUR FORECAST LOW 48N159W 975 MB. WITHIN 240 NM SW QUADRANT
WINDS 40 TO 55 KT. SEAS 18 TO 30 FT. ELSEWHERE WITHIN 540 NM S
AND SW QUADRANTS AND WITHIN 240 NM W OF A FRONT FROM 49N158W TO
44N152W TO 36N156W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 52N154W 978 MB.
WITHIN 480 NM NE SEMICIRCLE…600 NM SE QUADRANT….300 NM SW
QUADRANT…AND 480 NM NW QUADRANT…WINDS 30 TO 45 KT. SEAS 17 TO
30 FT…HIGHEST NEAR 47N147W.

…GALE WARNING…
.LOW CENTERED W OF AREA NEAR 56N170E 962 MB MOVING SW 05 KT. N OF
54N W OF 176E AND FROM 56N TO 63N W OF 161W WINDS 25 TO 40 KT.
SEAS 15 TO 25 FT.
.24 HOUR FORECAST LOW W OF AREA 54N165E 976 MB. WITHIN 300 NM S
QUADRANT WINDS 25 TO 40 KT. SEAS 14 TO 18 FT.
.48 HOUR FORECAST LOW 52N170E 985 MB. WITHIN 180 NM OF LOW CENTER
WINDS 25 TO 35 KT. SEAS 10 TO 15 FT.

…GALE WARNING…
.LOW 50N171E 972 MB MOVING NE 20 KT. FROM 39N TO 51N