High seas forecast issued with gale warnings and freezing spray advisories.

FZNT01 KWBC 172155
HSFAT1 2230

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC TUE DEC 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC DEC 17.
24 HOUR FORECAST VALID 1800 UTC DEC 18.
48 HOUR FORECAST VALID 1800 UTC DEC 19.

.WARNINGS.

…GALE WARNING…
.LOW E OF AREA 42N30W 995 MB MOVING E 25 KT. WITHIN 300 NM W
SEMICIRCLE WINDS 25 TO 40 KT. SEAS 15 TO 21 FT. ALSO FROM 35N TO
46N E OF 40W WINDS 20 TO 30 KT. SEAS 9 TO 18 FT. ELSEWHERE E OF
A LINE FROM 31N51W TO 52N35W WINDS TO 25 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW WELL E OF AREA. E OF A LINE FROM 31N43W TO
41N35W WINDS LESS THAN 25 KT. SEAS TO 12 FT IN N TO NE SWELL.
.48 HOUR FORECAST CONDITIONS DESCRIBED WITH LOW 32N40W BELOW.

…GALE WARNING…
.LOW INLAND 55N72W 995 MB MOVING NE 30 KT. FROM 41N TO 49N
BETWEEN 61N AND 68W AREA OF S TO SW WINDS 25 TO 35 KT. SEAS TO
12 FT.
.24 HOUR FORECAST LOW 62N52W 984 MB. BETWEEN THE GREENLAND COAST
AND A LINE FROM 62N51W TO LOW TO 60N46W…FROM 56N TO 64N
BETWEEN 53W AND 57W…AND WITHIN 120 NM EITHER SIDE OF A LINE
FROM 59N39W TO 49N44W TO 40N55W WINDS 25 TO 40 KT. SEAS 9 TO 18
FT. ELSEWHERE WITHIN 420 NM NW…600 NM SE…1380 NM S…AND 840
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW NE OF AREA 65N32W 982 MB. E OF A LINE FROM
65N37W TO 56N39W WINDS 25 TO 35 KT. SEAS 9 TO 18 FT. ELSEWHERE E
OF A LINE FROM 65N38W TO 54N39W TO 54N50W TO 41N52W WINDS 20 TO
30 KT. SEAS 8 TO 14 FT.

…GALE WARNING…
.LOW 65N55W 1001 MB MOVING NE 25 KT. WITHIN 180 NM N QUADRANT
WINDS 25 TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW DISSIPATED INLAND. CONDITIONS DESCRIBED
WITH LOW 62N52W ABOVE.

…GALE WARNING…
.36 HOUR FORECAST NEW LOW 60N46W 994 MB. FROM 57N TO 62N BETWEEN
46W AND 53W AREA OF NW WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.
.48 HOUR FORECAST LOW 61N46W 1000 MB. FROM 58N TO 60N BETWEEN
39W AND 45W AREA OF W WINDS 30 TO 45 KT. SEAS 10 TO 19 FT.
ELSEWHERE FROM 54N TO 61N BETWEEN 39W AND 48W WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.

…GALE WARNING…
.36 HOUR FORECAST NEW LOW 42N69W 1009 MB. WITHIN 300 NM S
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 47N58W 1000 MB. WITHIN 180 NM EITHER SIDE
OF A LINE FROM 47N55W TO 37N62W AREA OF SW WINDS 25 TO 40 KT.
SEAS 8 TO 16 FT. ELSEWHERE WITHIN 480 NM SE…660 NM S…AND 960
NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS 8 TO 13 FT.

…GALE WARNING…
.36 HOUR FORECAST NEW LOW 32N37W 1023 MB. S OF 34N E OF 40W
WINDS 25 TO 35 KT. SEAS 8 TO 13 FT.
.48 HOUR FORECAST LOW 32N40W 1016 MB. S OF 36N E OF 43W WINDS 25
TO 40 KT. SEAS 9 TO 18 FT. ELSEWHERE S OF 37N E OF 46W WINDS 20
TO 30 KT. SEAS 8 TO 13 FT.

…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 60N66W
TO 65N53W. LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM
57N61W TO 64N52W…AND WITHIN 90 NM OF THE GREENLAND COAST.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 58N62W TO 65N53W. LIGHT TO MODERATE FREEZING SPRAY N OF A
LINE FROM 55N59W TO 64N52W…AND WITHIN 90 NM OF THE E COAST OF
GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF A LINE
FROM 60N64W TO 64N52W. LIGHT TO MODERATE FREEZING SPRAY N AND NW
OF A LINE FROM 53N56W TO 61N48W…WITHIN 90 NM OF 60N47W…AND
BETWEEN THE GREENLAND COAST AND A LINE FROM 62N41W TO 65N35W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 57N TO 62N
BETWEEN 53W AND 64W…FROM 62N TO 66N BETWEEN THE GREENLAND
COAST AND 58W…WITHIN 60 NM OF 67N60W…FROM 42N TO 45N BETWEEN
66W AND 70W…AND WITHIN 60 NM OF 38N75W.
.24 HOUR FORECAST DENSE FOG WITHIN 60 NM OF 55N49W…FROM 57N TO
66N BETWEEN 39W AND 55W…FROM 61N TO 63N E OF 39W…AND WITHIN
60 NM W OF A LINE FROM 32N80W TO 35N75W TO 38N75W.
.48 HOUR FORECAST DENSE FOG N OF 65N E OF 37W…BETWEEN THE
GREENLAND COAST AND A LINE FROM 64N53W TO 66N54W…FROM 43N TO
58N BETWEEN 48W AND 64W…AND WITHIN 90 NM EITHER SIDE OF A LINE
FROM 58N55W TO 63N64W.

.FORECASTER FIGURSKEY. 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 1800 UTC TUE DEC 17.
24 HOUR FORECAST VALID 1800 UTC WED DEC 18.
48 HOUR FORECAST VALID 1800 UTC THU DEC 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND