High seas forecast issued; storm and gale warnings detailed for North Atlantic.

FZNT01 KWBC 251606
HSFAT1 1630

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC MON NOV 25 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

FOR INFORMATION ON ATLANTIC ICEBERGS SEE INFORMATION FROM NORTH
ATLANTIC ICE SERVICE AT HTTPS://OCEAN.WEATHER.GOV/ATL_TAB.PHP
(ALL LOWERCASE).

FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC NOV 25.
24 HOUR FORECAST VALID 1200 UTC NOV 26.
48 HOUR FORECAST VALID 1200 UTC NOV 27.

.WARNINGS.

…STORM WARNING…
.COMPLEX LOW WITH MEAN CENTER 48N40W 989 MB MOVING NW 05 KT.
FRONT EXTENDS FROM 49N56W TO LOW CENTER TO 47N35W. WITHIN 180 NM
N OF FRONT E OF 40W WINDS 35 TO 45 KT. SEAS 18 TO 24 FT.
ELSEWHERE WITHIN 300 NM N OF FRONT AND FROM 43N TO 47N E OF 42W
WINDS 25 TO 40 KT. SEAS 15 TO 22 FT. ELSEWHERE FROM 33N TO 55N E
OF 48W AND WITHIN 420 NM N OF FRONT WINDS 20 TO 30 KT. SEAS 9 TO
18 FT.
.12 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 49N42W 983 MB.
WITHIN 180 NM N AND NE QUADRANTS WINDS 35 TO 50 KT. SEAS 18 TO
25 FT. ELSEWHERE FROM 49N TO 54N E OF 55W WINDS 25 TO 40 KT.
SEAS 12 TO 21 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN LOW 50N43W 984 MB.
WITHIN 180 NM N AND NW QUADRANTS WINDS 35 TO 50 KT. SEAS 16 TO
25 FT. ELSEWHERE WITHIN 420 NM W…300 NM N AND 360 NM NE
QUADRANTS WINDS 25 TO 40 KT. SEAS 11 TO 21 FT…HIGHEST W OF LOW
NEAR 50N48W. ALSO WITHIN 540 NM N SEMICIRCLE AND 780 NM W
QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 47N38W 982 MB.
WITHIN 420 NM NW AND W AND 600 NM S QUADRANTS WINDS 25 TO 40 KT.
SEAS 14 TO 25 FT…HIGHEST S QUADRANT. ELSEWHERE WITHIN 660 NM
NW SEMICIRCLE AND 960 NM S QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO
18 FT IN MIXED SWELL.

…GALE WARNING…
.COMPLEX LOW WITH MAIN CENTER 48N57W 984 MB MOVING SE 25 KT.
FROM 33N TO 46N BETWEEN 48W AND 67W AND WITHIN 360 NM N AND NW
QUADRANTS WINDS 25 TO 40 KT. SEAS 12 TO 25 FT…EXCEPT IN N AND
NW QUADRANTS SEAS 8 TO 13 FT. ELSEWHERE S OF 47N BETWEEN 48W AND
71W WINDS 20 TO 30 KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 42N43W 989 MB AND
A NEW SECOND LOW 48N39W 980 MB. FROM 33N TO 41N BETWEEN 40W AND
58W WINDS 30 TO 45 KT. SEAS 16 TO 26 FT. ALSO FROM 32N TO 42N
BETWEEN 37W AND 60W AND WITHIN 180 NM S AND SE QUADRANTS OF
SECOND LOW WINDS 25 TO 40 KT. SEAS 14 TO 22 FT. ELSEWHERE EXCEPT
WHERE PREVIOUSLY NOTED S OF 49N E OF 65W WINDS TO 25 KT. SEAS 8
TO 18 FT IN MIXED SWELL…EXCEPT N OF 46N W OF 53W SEAS TO 12 FT.
.48 HOUR FORECAST COMPLEX LOW E OF AREA WITH CONDITIONS AS
DESCRIBED WITH COMPLEX LOW 47N38W ABOVE.

…GALE WARNING…
.N OF 64N W OF GREENLAND AREA OF WINDS 25 TO 35 KT. SEAS TO 9 FT.
.24 HOUR FORECAST N OF 59N W OF 57W AREA OF NW WINDS 25 TO 35
KT. SEAS TO 12 FT.
.48 HOUR FORECAST N OF 58N BETWEEN 48W AND 56W AREA OF N WINDS
20 TO 30 KT. SEAS 8 TO 14 FT.

…GALE WARNING…
.24 HOUR FORECAST NEW LOW 61N42W 1001 MB. FROM 59N TO 61N
BETWEEN 39W AND 45W WINDS 25 TO 35 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 59N40W 1008 MB. N OF 60N BETWEEN 38W AND
42W AND WITHIN 180 NM NW QUADRANT WINDS 25 TO 40 KT. SEA