High seas forecast issued; hurricane force winds and heavy freezing spray expected.

FZNT01 KWBC 230351
HSFAT1 0430

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC MON DEC 23 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).

SECURITE

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

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 0000 UTC DEC 23.
24 HOUR FORECAST VALID 0000 UTC DEC 24.
48 HOUR FORECAST VALID 0000 UTC DEC 25.

.WARNINGS.

…HURRICANE FORCE WIND WARNING…
.COMPLEX LOW WITH MAIN CENTER 58N44W 973 MB MOVING NE 30 KT AND
A NEW SECOND LOW 62N37W 969 MB MOVING NE 20 KT. WITHIN 300 NM S
AND SE QUADRANTS OF MAIN LOW WINDS 45 TO 60 KT. SEAS 21 TO 36
FT. ALSO WITHIN 180 NM NW SEMICIRCLE OF SECOND LOW WINDS 35 TO
50 KT. SEAS 10 TO 21 FT. ELSEWHERE N OF A LINE FROM 49N35W TO
56N57W WINDS 30 TO 45 KT. SEAS 12 TO 27 FT…EXCEPT N OF 59N E
OF 43W SEAS 8 TO 19 FT. OTHERWISE N OF 47N WINDS 20 TO 30 KT.
SEAS 8 TO 19 FT IN MIXED SWELL…EXCEPT SEAS TO 8 FT IN GULF OF
SAINT LAWRENCE.
.06 HOUR FORECAST MAIN LOW DISSIPATED WITH SECOND LOW NEAR
64N35W 960 MB. WITHIN 120 NM W SEMICIRCLE WINDS 50 TO 65 KT.
SEAS 18 TO 28 FT. ELSEWHERE N OF 61N E OF 40W AND WITHIN 240 NM
E AND SE OF A LINE FROM 61N35W TO 57N45W WINDS 35 TO 50 KT. SEAS
15 TO 38 FT…HIGHEST NEAR 57N38W.
.24 HOUR FORECAST LOW AND CONDITIONS WELL NE OF AREA.

…STORM WARNING…
.24 HOUR FORECAST NEW LOW 62N38W 980 MB. FROM 58N TO 61N E OF
46W WINDS 35 TO 50 KT. SEAS 12 TO 26 FT. ELSEWHERE N OF 56N E OF
52W WINDS 25 TO 35 KT. SEAS 9 TO 17 FT.
.48 HOUR FORECAST LOW 64N35W 966 MB. FROM 57N TO 61N E OF 46W
WINDS 40 TO 55 KT. SEAS 15 TO 34 FT…HIGHEST NEAR 60N35W.
ELSEWHERE N OF 55N E OF 53W WINDS 25 TO 40 KT. SEAS 10 TO 21 FT.

…GALE WARNING…
.LOW 41N50W 1007 MB MOVING NE 40 KT. FROM 34N TO 41N BETWEEN 48W
AND 60W…WITHIN 300 NM W QUADRANT AND WITHIN 300 NM SE OF A
LINE FROM 46N40W TO 35N50W WINDS 25 TO 35 KT. SEAS 9 TO 16 FT.
ELSEWHERE S OF 47N W OF 35W WINDS TO 25 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW E OF AREA NEAR 54N30W 998 MB. E OF A LINE
FROM 52N35W TO 38N41W WINDS 25 TO 40 KT. SEAS 10 TO 18 FT.
ELSEWHERE S OF 56N E OF 60W WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW WELL E OF AREA. FROM 34N TO 40N E OF 50W
WINDS 20 TO 30 KT. SEAS 9 TO 16 FT.

…GALE WARNING…
.48 HOUR FORECAST LOW INLAND NEAR 64N69W 984 MB. FROM 59N TO 63N
W OF 54W AREA OF SW WINDS 25 TO 40 KT. SEAS TO 11 FT.

…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A LINE FROM 62N50W
TO 55N60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND W OF
A LINE FROM 64N35W TO 60N41W TO 54N55W TO 44N60W TO 43N67W.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 60N W OF
45W AND N OF 58N W OF 50W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF A LINE FROM 42N65W TO 48N52W TO 63N35W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 59N W OF
42W AND N OF 54N W OF 57W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY N OF 47N W OF 50W AND N OF 57N E OF 50W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 41N TO 44N
BETWEEN 50W AND 54W…FROM 57N TO 63N BETWEEN 40W AND 50W AND N
OF 63N W OF GREENLAND.
.24 HOUR FORECAST DENSE FOG FROM 49N TO 53N E OF 43W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 47N BETWEEN 58W AND 65W
AND N OF 60N W OF 53W.

.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0000 UTC MON DEC 23.
24 HOUR FORECAST VALID 0000 UTC TUE DEC 24.
48 HOUR FORECAST VALID 0000 UTC WED DEC 25.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N78W TO 31N81W TO 30N81W TO 30.5N78.5W TO 31N78W
NE WINDS 20 TO 25 KT. SEAS 8 FT. ELSEWHERE WITHIN 31N61W TO
30N71W
TO 30N68W TO 26N65W TO 27N63W TO 30N63W TO 31N61W WINDS 20 KT OR
LESS. SEAS 8 TO 9 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 29N54W TO 29N65W TO 31N80W TO 27N75W TO
21N71W TO 26N56W TO 29N54W…INCLUDING ATLANTIC EXPOSURES…NE
TO E WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 25N59W TO 27N71W TO 25N76W TO 21N70W TO
20N66W TO 24N56W TO 25N59W…INCLUDING ATLANTIC EXPOSURES…
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL.

.ATLC WITHIN 31N35W TO 31N37W TO 30N37W TO 24N37W TO 22N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 27N35W TO 27N39W TO 24N41W TO 17N38W TO
16N35W TO 27N35W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE SWELL.
.42 HO