High seas forecast issued; storm and gale warnings in effect.

FZNT01 KWBC 171022
HSFAT1 1030

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC DEC 17.
24 HOUR FORECAST VALID 0600 UTC DEC 18.
48 HOUR FORECAST VALID 0600 UTC DEC 19.

.WARNINGS.

…STORM WARNING…
.LOW 42N34W 996 MB MOVING E 15 KT. FROM 38N TO 44N E OF 39W WINDS
40 TO 55 KT. SEAS 16 TO 25 FT…HIGHEST NEAR 42N35W. ELSEWHERE
FROM 31N TO 47N E OF 40W AND FROM 34N TO 44N E OF 50W WINDS 25 TO
40 KT. SEAS 9 TO 17 FT.
.24 HOUR FORECAST LOW E OF AREA 42N24W 1006 MB. FROM 31N TO 44N E
OF 43W WINDS LESS THAN 25 KT. SEAS 8 TO 15 FT IN N AND NE SWELL.
.48 HOUR FORECAST LOW AND CONDITIONS MOVED E OF THE AREA.

…GALE WARNING…
.LOW E OF AREA 65N31W 993 MB MOVING SE 15 KT. N OF 62N E OF 38W
WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED WELL E OF AREA.

…GALE WARNING…
.LOW N OF THE AREA 69N59W MOVING NW 15 KT. N OF 60N W OF
GREENLAND WINDS TO 25 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LOW WELL NW OF THE AREA WITH NEW LOW 59N56W 989
MB. WITHIN 90 NM N AND NE OF A LINE FROM 64N55W TO 60N52W TO W
GREENLAND AND FROM 50N TO 55N BETWEEN 50W AND 55W WINDS 25 TO 35
KT. SEAS 8 TO 14 FT. ELSEWHERE FROM 50N TO 60N W OF 40W AND N OF
60N W OF GREENLAND WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 63N38W 990 MB. WITHIN 60 NM NW AND N OF A
LINE FROM 62N39W TO 64N35W…FROM 50N TO 57N E OF 37W AND WITHIN
90 NM E AND SE OF A LINE FROM 50N37W TO 46N43W WINDS 30 TO 40 KT.
SEAS 10 TO 18 FT. ELSEWHERE N OF 60N E OF GREENLAND…FROM 55N TO
65N BETWEEN 50W AND 54W…FROM 45N TO 50N E OF 45W AND FROM 50N
TO 60N E OF 50W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT IN MIXED
SWELL.

…GALE WARNING…
.12 HOUR FORECAST W AND NW OF A LINE FROM 41N64W TO 46N60W TO
50N60W…INCLUDING THE BAY OF FUNDY AND THE GULF OF SAINT
LAWRENCE AREA OF S TO SW WINDS 25 TO 35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST WITHIN 240 NM W AND NW OF A LINE FROM 50N51W TO
44N55W TO 40N58W AREA OF S TO SW WINDS 30 TO 40 KT. SEAS 8 TO 14
FT…HIGHEST IN THE E GULF OF SAINT LAWRENCE. ELSEWHERE FROM 40N
TO 50N BETWEEN 50W AND 70W…FROM 35N TO 40N BETWEEN 60W AND 70W
AND FROM 45N TO 50N BETWEEN 45W AND 50W WINDS 20 TO 30 KT. SEAS
TO 10 FT.
.48 HOUR FORECAST NEW LOW 42N69W 1008 MB. WITHIN 180 NM NE…540
NM SE AND 720 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 14 FT.

…GALE WARNING…
.48 HOUR FORECAST LOW 31N41W 1018 MB. FROM 31N TO 35N E OF 43W
WINDS 25 TO 40 KT. SEAS 8 TO 16 FT.

…HEAVY FREEZING SPRAY WARNING…
.MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A LINE FROM 61N64W
TO 66N53W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY FROM 57N TO
60N W OF 54W…N OF 60N W OF GREENLAND AND N OF 60N E OF
GREENLAND.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A
LINE FROM 61N63W TO 65N55W. ELSEWHERE LIGHT TO MODERATE FREEZING
FROM 57N TO 60N W OF 58W…N OF 60N W OF GREENLAND AND N OF 62N E
OF GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A
LINE FROM 63N61W TO 64N52W. ELSEWHERE LIGHT TO MODERATE FREEZING
SPRAY FROM 54N TO 60N W OF 51W…N OF 60N W OF GREENLAND AND N OF
62N E OF GREENLAND.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 64N W OF
GREENLAND AND N OF 64N E OF GREENLAND.
.24 HOUR FORECAST DENSE FOG WITHIN 90 NM W AND SW OF A LINE
55N57W TO 57N59W TO LABRADOR…FROM 57N TO 60N W TO
LABRADOR…FROM 60N TO 65N E OF 60W TO GREENLAND AND WITHIN 90 NM
NW OF A LINE FROM 42N65W TO 45N61W.
.48 HOUR FORECAST DENSE FOG FROM 54N TO 60N W OF 50W TO THE COAST
OF LABRADOR…N OF 60N W OF GREENLAND AND WITHIN 90 NM NW OF A
LINE FROM 46N56W TO 42N60W.

.FORECASTER FUTTERMAN. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 0600 UTC TUE DEC 17.
24 HOUR FORECAST VALID 0600 UTC WED DEC 18.
48 HOUR FORECAST VALID 0600 UTC THU DEC 19.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 26N71W TO 25N72W TO 26N75W TO 24N72W TO 23N72W TO
23N68W TO 26N71W E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 31N65W TO 31N81W TO 23N75W TO 20N61W TO 25N59W
TO 31N65W…INCLUDING ATLANTIC EXPOSURES…WINDS 20 KT OR LESS.
SEAS 8 TO 11 FT IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 24N69W TO 25N72W TO 22N74W TO 21N70W TO
21N65W TO 23N70W TO 24N69W…INCLUDING ATLANTIC EXPOSURES…E
WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. ELSEWHERE WITHIN 28N66W TO
29N74W TO 28N78W TO 23N74W TO 19N68W TO 20N62W TO
28N66W…INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES…WINDS 20
KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL.
.48 HOUR FORECAST WITHIN 25N69W TO 25N73W TO 28N78W TO 22N73W TO
19N68W TO 19N65W TO 25N69W…INCLUDING ATLANTIC
EXPOSURES…WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E
SWELL.

.ATLC COLD FRONT FROM 31N36W TO 27N47W TO 28N57W. STATIONARY
FRONT FROM 28N57W TO 31N62W. WITHIN 29N54W TO 30N58W TO 28N58W
TO 28N54W TO 27N50W TO 27N46W TO 29N54W NE TO E WINDS 20 TO 25
KT. SEAS 12 TO 14 FT. ELSEWHERE WITHIN 31N37W TO 30N58W TO
31N66W TO 24N59W TO 23N51W TO 31N37W WINDS 20 KT OR LESS. SEAS
8 TO 12 FT IN NE SWELL.
.24 HOUR FORECAST WITHIN 26N59W TO 28N62W TO 27N62W TO 24N59W TO
24N56W TO 25N56W TO 26N59W NE TO E WINDS 20 TO 25 KT. SEAS 10 TO
12 FT. ELSEWHERE WITHIN 31N35W TO 31N65W TO 28N68W TO 18N62W TO
17N53W TO 22N50W TO 31N35W…INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES…WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE SWELL.
.48 HOUR FORECAST WITHIN 23N51W TO 26N54W TO 23N60W TO 25N66W TO
19N64W TO 19N60W TO 23N51W…INCLUDING IN ATLANTIC EXPOSURES AND
PASSAGES…NE TO E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT.
ELSEWHERE WITHIN 29N48W TO 25N69W TO 18N65W TO 13N58W TO 21N51W
TO 23N45W TO 29N48W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE
SWELL.

.ATLC WITHIN 18N35W TO 24N45W TO 23N51W TO 16N46W TO 11N48W