485
FZNT01 KWBC 011612
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC DEC 01.
24 HOUR FORECAST VALID 1200 UTC DEC 02.
48 HOUR FORECAST VALID 1200 UTC DEC 03.

.WARNINGS.

...HURRICANE FORCE WIND WARNING...
.LOW INLAND NEAR 51N64W 1005 MB MOVING NE 35 KT AND RAPIDLY
INTENSIFYING. FROM 40N TO 50N BETWEEN 56W AND 65W WINDS 25 TO 35
KT. SEAS LESS THAN 4 M.
.18 HOUR FORECAST LOW 55N54W 979 MB. BETWEEN 90 NM AND 180 NM W
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 3.5 TO 5 M.
.24 HOUR FORECAST LOW 56N50W 973 MB. WITHIN 240 NM SW AND S
QUADRANTS WINDS 40 TO 55 KT. SEAS 4 TO 7 M. ELSEWHERE FROM 40N TO
55N E OF 50W AND  FROM 55N TO 62N W OF 37W WINDS 25 TO 40 KT.
SEAS 3 TO 6 M.
.30 HOUR FORECAST LOW 57N45W 972 MB. WITHIN 90 NM SW QUADRANT
WINDS 50 TO 65 KT. SEAS 6 TO 11 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 58N39W 982 MB.
WITHIN 240 NM SW QUADRANT WINDS 40 TO 55 KT. SEAS 7 TO 13 M.
ELSEWHERE N OF A LINE FROM 47N35W TO 56N57W WINDS 25 TO 40 KT.
SEAS 4 TO 7 M.

...STORM WARNING...
.LOW 60N32W 978 MB MOVING SE 25 KT. WITHIN 540 NM W SEMICIRCLE
WINDS 30 TO 45 KT. SEAS 5 TO 10 M. ELSEWHERE WITHIN 720 NM W
SEMICIRCLE WINDS 20 TO 30 KT. SEAS 3 TO 5 M.
.06 HOUR FORECAST LOW 59N28W 979 MB. 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 58N39W DESCRIBED
ABOVE.

...STORM WARNING...
.24 HOUR FORECAST LOW INLAND 35N77W 1010 MB. S OF 36N W OF 72W
WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.30 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 56N59W 975 MB. WITHIN 120 NM N AND 240 NM E
OF A LINE FROM LOW TO 38N60W WINDS 40 TO 50 KT. SEAS 5 TO 8 M.
ELSEWHERE FROM 33N TO 48N BETWEEN 50W AND 70W WINDS 25 TO 40 KT.
SEAS 3 TO 6 M.

...GALE WARNING...
.N OF 62N W OF GREENLAND AREA OF S WINDS 20 TO 30 KT. SEAS LESS
THAN 4 M.
.06 HOUR FORECAST 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 47W AND 61W.
.48 HOUR FORECAST DENSE FOG FROM 56N TO 62N E OF 53W.

.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 1200 UTC MON DEC 01.
24 HOUR FORECAST VALID 1200 UTC TUE DEC 02.
48 HOUR FORECAST VALID 1200 UTC WED DEC 03.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC TROUGH FROM 28N60W TO 17N61W. FROM 17N TO 28N E OF TROUGH
NE
TO E WINDS 20 TO 25 KT. SEAS 3 TO 4 M IN E SWELL. ELSEWHERE E OF
62W
AND S OF A LINE FROM 30N62W TO 30N50W TO 27N35W TO ANOTHER LINE
FROM
21N62W TO 17N50W TO 13N40W TO 15N35W WINDS 20 KT OR LESS. SEAS
2.5
TO 3 M IN E SWELL.
.24 HOUR FORECAST TROUGH FROM 28N61W TO 19N64W. S OF 28N E OF 57W

AND NE OF A LINE FROM 22N57W TO 11N50W TO 11N35W E TO SE WINDS 20
TO
25 KT. SEAS 2.5 TO 3.5 M IN E SWELL. FROM 28N TO 30N BETWEEN 50W
AND
60W WINDS 20 KT OR LESS. SEAS 2.5 M IN SE SWELL.
.48 HOUR FORECAST TROUGH FROM 28N66W TO 19N68W. FROM 11N TO 21N E
OF
55W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3 M. ELSEWHERE FROM
11N
TO 28N E OF 60W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN E SWELL.

.ATLC 18 HOUR FORECAST N OF 28N W OF 75W S WINDS 20 TO 30 KT.
SEAS
BUILDING TO 2.5 M.
.24 HOUR FORECAST LITTLE CHANGE.
.36 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.
.48 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 28N83W TO 27N96W TO
21N97W. N
OF 27N AND N OF FRONT NE WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
S
OF 27N W OF FRONT NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5
M.
.18 HOUR FORECAST COLD FRONT FROM 30N88W TO 22N97W. REINFORCING
FRONT FROM 30N91W TO 24N97W. NW OF REINFORCING FRONT N WINDS 20
TO
25 KT. SEAS LESS THAN 2.5M.
.24 HOUR FORECAST 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.

$$