North Atlantic High Seas Forecast

FZNT01 KWBC 012152
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC MON DEC 01 2025

CCODE/2:31:04:01:00/AOE/NWS/CCODE
SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 
VOSOPS@NOAA.GOV(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 01. 
24 HOUR FORECAST VALID 1800 UTC DEC 02.
48 HOUR FORECAST VALID 1800 UTC DEC 03.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW INLAND NEAR 51N59W 998 MB MOVING NE 35 KT AND RAPIDLY
INTENSIFYING. FROM 40N TO 50N BETWEEN 52W AND 65W WINDS 25 TO 35
KT. SEAS LESS THAN 4 M.
.12 HOUR FORECAST LOW 55N54W 979 MB. BETWEEN 90 NM AND 180 NM W
SEMICIRCLE WINDS 40 TO 50 KT. SEAS 3 TO 5 M. 
.24 HOUR FORECAST LOW 57N45W 973 MB. WITHIN 120 NM SW QUADRANT
WINDS 50 TO 65 KT. SEAS 5 TO 9 M. ELSEWHERE WITHIN 240 NM SW AND
S QUADRANTS AND FROM 58N TO 60N BETWEEN 42W AND 50W WINDS 40 TO
55 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 40N TO 60N E OF 45W AND FROM
48N TO 62N W OF 45W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 59N35W 975 MB. WITHIN 480 NM SW QUADRANT
WINDS 40 TO 55 KT. SEAS 7 TO 12 M. ELSEWHERE N OF A LINE FROM
45N35W TO 59N52W WINDS 25 TO 40 KT. SEAS 4 TO 7 M.

...STORM WARNING...
.LOW E OF AREA 58N30W 982 MB MOVING SE 25 KT. WITHIN 300 NM SW
QUADRANT WINDS 40 TO 50 KT. SEAS 4 TO 8 M. ELSEWHERE WITHIN 780
NM SW AND 600 NM NW QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M. 
.24 HOUR FORECAST LOW WELL E OF AREA. N OF 63N E OF GREENLAND
WINDS 25 TO 35 KT. SEAS 3 TO 6 M. 
.48 HOUR FORECAST CONDITIONS ABSORBED BY LOW 59N35W DESCRIBED
ABOVE. 

...STORM WARNING...
.18 HOUR FORECAST LOW INLAND 35N77W 1010 MB. S OF 36N W OF 72W
WINDS 25 TO 35 KT. SEAS 3 TO 5 M. 
.24 HOUR FORECAST LOW 38N74W 998 MB. WITHIN 300 NM SE AND SE
QUADRANTS WINDS 35 TO 50 KT. SEAS 3 TO 5 M. 
.48 HOUR FORECAST LOW 45N58W 975 MB. WITHIN 120 NM SW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE FROM 33N TO 50N
BETWEEN 45W AND 65W WINDS 25 TO 40 KT. SEAS 3 TO 6 M. 

...GALE WARNING...
.LOW 67N62W 1002 MB. WITHIN 120 NM  E OF A LINE FROM LOW TO
62N57W WINDS 25 TO 35 KT. SEAS TO 4 M. 
.24 HOUR FORECAST LOW AND CONDITIONS N OF AREA.

...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 50N W OF 50W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 61N62W TO 52N52W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY
N OF 56N W OF 57W...W OF 62W WITHIN THE GULF OF SAINT
LAWRENCE...AND WITHIN 90 NM OF GREENLAND W COAST N OF 60N.  
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 51N49W TO 48N67W.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 57N E OF 40W. 
.24 HOUR FORECAST DENSE FOG FROM 51N TO 60N BETWEEN 45W AND 59W.
.48 HOUR FORECAST DENSE FOG FROM 56N TO 62N E OF 50W.

.FORECASTER KREKELER. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 1800 UTC MON DEC 01.
24 HOUR FORECAST VALID 1800 UTC TUE DEC 02.
48 HOUR FORECAST VALID 1800 UTC WED DEC 03.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 28N60W TO 17N61W. S OF 28N E OF 60W TO A LINE
FROM 12N35W TO 18N50W TO 22N60W NE TO E WINDS 20 TO 25 KT. SEAS 
3 TO 4
M IN E SWELL. ELSEWHERE E OF A LINE FROM 31N55W TO 25N63W TO 
19N55W
TO 12N43W TO 14N35W...EXCEPT NE OF A LINE FROM 31N55W TO 28N35W
WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN E SWELL.
.24 HOUR FORECAST TROUGH FROM 28N65W TO 19N66W. FROM 14N TO 24N E
OF 50W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE E 
OF A 
LINE FROM 30N55W TO 25N64W TO 19N55W TO 11N50W TO 10N43W TO 
13N35W...EXCEPT NE OF A LINE FROM 30N55W TO 27N45W TO 28N35W
WINDS 20 KT OR LESS. SEAS 2.5 M IN E SWELL.
.48 HOUR FORECAST TROUGH FROM 28N66W TO 19N68W. FROM 11N TO 18N E
OF 55W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE N OF
10N E OF 58W AND S OF A LINE FROM 25N58W TO 20N42W TO 18N35W 
WINDS 20
KT OR LESS. SEAS 2.5 M IN NE TO E SWELL. 

.ATLC 12 HOUR FORECAST N OF 29N BETWEEN 77W AND 80W S WINDS 20 TO
25 KT. SEAS BUILDING TO 2.5 M.
.18 HOUR FORECAST N OF 28N W OF 75W S WINDS 20 TO 30 KT. SEAS TO 
2.5 M N OF 30N.
.24 HOUR FORECAST N OF 28N AND W OF A LINE FROM 31N73W TO 28N78W
S TO SW WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.30 HOUR FORECAST COLD FRONT FROM 31N78W TO 29N81W. N OF 30N E OF

FRONT TO 72W SW WINDS 20 TO 25 KT. SEAS TO 2.5 M.
.42 HOUR FORECAST COLD FRONT FROM 31N70W TO 24N80W. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M. 

.GULF OF AMERICA STATIONARY FRONT FROM 27N83W TO 1015 MB LOW PRES
NEAR 27N96W TO 20N97W. N OF FRONT BETWEEN 90W AND 96W NE TO E
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M. N OF 25N W OF 96W NW TO 
N
WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.12 HOUR FORECAST COLD FRONT FROM 30N88W TO 22N97W. REINFORCING
COLD FRONT FROM 30N91W TO 25N97W. NW OF REINFORCING COLD FRONT N 
WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.  
.24 HOUR FORECAST COLD FRONT FROM 30N84W TO 21N97W. WINDS 20 KT
OR LESS. SEAS LESS THAN 2.5 M.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$