High seas forecast with strong winds and significant wave heights issued.

FZNT01 KWBC 220351
HSFAT1 0430

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN DEC 22 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 22.
24 HOUR FORECAST VALID 0000 UTC DEC 23.
48 HOUR FORECAST VALID 0000 UTC DEC 24.

.WARNINGS.

…HURRICANE FORCE WIND WARNING…
.COMPLEX LOW WITH MEAN CENTER 49N57W 975 MB MOVING NE 25 KT.
WITHIN 360 NM SE QUADRANT AND 240 NM W SEMICIRCLE WINDS 35 TO 50
KT. SEAS 12 TO 24 FT. ELSEWHERE WITHIN 720 NM E AND NE…960 NM
S AND SE…540 NM SW…AND 300 NM NW QUADRANTS WINDS 25 TO 40
KT. SEAS 9 TO 18 FT.
.12 HOUR FORECAST LOW 53N53W 964 MB. WITHIN 240 NM SE AND 120 NM
SW QUADRANTS WINDS 50 TO 65 KT. SEAS 18 TO 30 FT.
.24 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 58N45W 972 MB
AND A SECOND NEW CENTER 61N40W 970 MB. WITHIN 150 NM W AND NW
SEMICIRCLES OF SECOND CENTER…AND BETWEEN 120 NM AND 300 NM S
SEMICIRCLE OF FIRST CENTER WINDS 50 TO 65 KT. SEAS 22 TO 42 FT.
ALSO N OF 53N E OF 51W WINDS 35 TO 50 KT. SEAS 18 TO 36 FT.
ELSEWHERE N OF 49N E OF 60W WINDS 25 TO 40 KT. SEAS 14 TO 28 FT.
.48 HOUR FORECAST LOW E OF AREA WITH NEW LOW TO FORM 64N36W 976
MB. BETWEEN 240 NM AND 420 NM SW QUADRANT WINDS 35 TO 50 KT.
SEAS 14 TO 28 FT. ELSEWHERE FROM 56N TO 65N E OF 58W WINDS 25 TO
40 KT. SEAS 11 TO 22 FT.

…STORM WARNING…
.FROM 63N TO 65N E OF GREENLAND WINDS 35 TO 50 KT. SEAS 9 TO 18
FT. ELSEWHERE N OF 62N E OF GREENLAND…AND E OF A LINE FROM
57N36W TO 60N44W WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.24 HOUR FORECAST CONDITIONS DESCRIBED BY COMPLEX LOW IN WARNING
ABOVE.

…GALE WARNING…
.FROM 32N TO 41N BETWEEN 65W AND 75W AREA OF NW WINDS 25 TO 35
KT. SEAS 8 TO 16 FT.
.24 HOUR FORECAST NEW LOW 42N52W 1004 MB. FROM 33N TO 45N
BETWEEN 44W AND 55W…AND FROM 38N TO 47N E OF 40W WINDS 25 TO
35 KT. SEAS 8 TO 16 FT.
.48 HOUR FORECAST LOW E OF AREA 53N33W 996 MB. WITHIN 600 NM W
AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 10 TO 20 FT.

…GALE WARNING…
.48 HOUR FORECAST NEW LOW 39N41W 1016 MB. WITHIN 420 NM NE…240
NM SE…AND BETWEEN 240 NM AND 420 NM W AND NW QUADRANTS WINDS
25 TO 35 KT. SEAS 8 TO 16 FT.

…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY N OF A LINE FROM 47N65W TO
51N59W OVER THE GULF OF SAINT LAWRENCE…W AND NW OF A LINE FROM
55N57W TO 60N62W TO 65N53W…WITHIN 60 NM OF THE SW GREENLAND
COAST FROM 60N TO 64N…AND N OF 64N E OF GREENLAND. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY N AND NW OF LINE FROM 43N68W TO
58N48W TO 63N35W…INCLUDING THE GULF OF SAINT LAWRENCE EXCEPT
WHERE DESCRIBED PREVIOUSLY.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 49N64W TO 53N55W TO 59N56W TO 62N49W…AND WITHIN 60
NM OF THE SE GREENLAND COAST N OF 60N. ELSEWHERE LIGHT TO
MODERATE FREEZING SPRAY N AND NW OF A LINE FROM 42N67W TO 50N54W
TO 57N54W TO 60N48W TO 60N41W TO 65N35W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N AND NW OF A
LINE FROM 49N61W TO 51N54W TO 59N58W TO 59N42W TO 63N38W.
ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND NW OF A LINE
FROM 43N64W TO 53N51W TO 60N36W.

.SYNOPSIS AND FORECAST.

.LOW 34N44W 1015 MB MOVING NE 20 KT. FROM 31N TO 40N E OF 44W
WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DESCRIBED WITH
LOW 42N52W IN WARNINGS SECTION ABOVE.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 57N
BETWEEN 38W AND 65W…AND N OF 65N W OF GREENLAND.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 47N BETWEEN 50W AND
54W…AND N OF A LINE FROM 62N62W TO 55N50W TO 58N39W TO 63N35W.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 54N BETWEEN 37W AND
45W…AND FROM 56N TO 67N BETWEEN 45W AND 55W.

.FORECASTER MILLS. 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 SUN DEC 22.
24 HOUR FORECAST VALID 0000 UTC MON DEC 23.
48 HOUR FORECAST VALID 0000 UTC TUE DEC 24.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N36W TO 30.5N36W TO 30N35.5W TO
30.5N35W TO 31N35W SE WINDS 20 TO 25 KT. SEAS 9 TO 10 FT.
ELSEWHERE WITHIN 31N35W TO 31N40W TO 29N38W TO 26N37W TO 24N35W
TO 31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN E SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N38W TO 23N37W TO 18N37W TO
16N35W TO 31N35W WINDS 20 KT OR LES