North Atlantic High Seas Forecast

FZNT01 KWBC 051059 CCA
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC FRI DEC 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC DEC 05. 
24 HOUR FORECAST VALID 0600 UTC DEC 06. 
48 HOUR FORECAST VALID 0600 UTC DEC 07. 

.WARNINGS. 

...HURRICANE FORCE WIND WARNING... 
.WITHIN 120 NM NW OF A LINE FROM 57N44W TO 61N38W AREA OF N TO 
NE WINDS 40 TO 55 KT. SEAS 6 TO 8.5 M. ALSO N OF 57N E OF 49W 
WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M. 
.24 HOUR FORECAST WITHIN 120 NM NW OF A LINE FROM 56N49W TO 
57N41W TO 61N38W AREA OF N TO NE WINDS 50 TO 65 KT. SEAS 6 TO 10 
M. ELSEWHERE FROM 56N TO 59N BETWEEN 41W AND 54W AND N OF 59N 
BETWEEN 37W AND 45W WINDS 35 TO 50 KT. SEAS 4 TO 9 M. ALSO FROM 
56N TO 60N BETWEEN 38W AND 57W AND N OF 58 E OF 45W WINDS 25 TO 
40 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST NEW LOW E OF AREA 56N33W 968 MB. WITHIN 240 NM 
NW OF A LINE FROM 54N40W TO 61N35W AREA OF N TO NE WINDS 45 TO 
60 KT. SEAS 5.5 TO 9 M. ALSO WITHIN 540 NM W AND 600 NM N 
QUADRANTS WINDS 30 TO 45 KT. SEAS 3 TO 7.5 M. ELSEWHERE E OF A 
LINE FROM 61N49W TO 55N55W TO 52N41W WINDS 20 TO 30 KT. SEAS 2.5 
TO 5.5 M. 

...HURRICANE FORCE WIND WARNING... 
.LOW 43N54W 994 MB MOVING NE 25 KT AND RAPIDLY INTENSIFYING THEN 
TURNING E AFTER 18 HOURS. WITHIN 660 NM W AND 240 NM S AND 180 
NM E AND NE QUADRANTS WINDS 30 TO 45 KT. SEAS 2.5 TO 5.5 
M...HIGHEST W QUADRANT. ELSEWHERE FROM 33N TO 46N BETWEEN 42W 
AND 74W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M. 
.06 HOUR FORECAST LOW 47N52W 981 MB. WITHIN 420 NM SW QUADRANT 
WINDS 40 TO 55 KT. SEAS 4 TO 7.5 M. 
.24 HOUR FORECAST LOW 50N48W 960 MB. WITHIN 360 NM SW SEMICIRCLE 
WINDS 50 TO 65 KT. SEAS 6 TO 12 M. ALSO WITHIN 540 NM S AND SE 
AND 360 W QUADRANTS AND WITHIN 150 NM N QUADRANT WINDS 40 TO 55 
KT. SEAS 3 TO 9 M. ELSEWHERE WITHIN 720 NM E...660 NM S AND 540 
NM W QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5 M. 
.48 HOUR FORECAST LOW 51N35W 962 MB. E OF A LINE FROM 51N39W TO 
48N50W TO 42N41W WINDS 40 TO 55 KT. SEAS 6 TO 12 M. ALSO WITHIN 
660 NM S SEMICIRCLE AND 360 NM E AND W QUADRANTS WINDS 25 TO 40 
KT. SEAS 4 TO 10 M...HIGHEST S QUADRANT. ELSEWHERE EXCEPT WHERE 
NOTED BY LOW 56N33W ABOVE...E OF A LINE FROM 57N61W TO 43N57W TO 
37N48W WINDS 20 TO 30 KT. SEAS 3 TO 7 M. 

...STORM WARNING... 
.LOW 51N59W 987 MB MOVING E 15 KT AND RAPIDLY INTENSIFYING. 
WITHIN GULF OF SAINT LAWRENCE AND ALSO WITHIN 480 NM S QUADRANT 
WINDS 30 TO 45 KT. SEAS TO 4.5 M. 
.06 HOUR FORECAST LOW 51N57W 981 MB. WITHIN 480 NM S AND 360 NM 
SW QUADRANTS WINDS 40 TO 55 KT. SEAS 2.5 TO 6 M. 
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY LOW 50N48W 
ABOVE.

...GALE WARNING...
.LOW E OF AREA 54N26W 964 MB MOVING NE 20 KT. W OF 35W WITHIN 
480 NM W SEMICIRCLE AND 600 NM S QUADRANT WINDS 25 TO 40 KT. 
SEAS 3 TO 7.5 M. ELSEWHERE FROM 34N TO 54N E OF 53W WINDS 20 TO 
30 KT. SEAS 2.5 TO 5.5 M. 
.24 HOUR FORECAST LOW WELL E OF AREA WITH CONDITIONS AS 
DESCRIBED SWITH LOW 50N48W ABOVE. 

...GALE WARNING...
.LOW 57N45W 992 MB MOVING NW 20 KT. WITHIN 240 NM SW SEMICIRCLE 
WINDS 25 TO 35 KT. SEAS 3 TO 6 M...HIGHEST SE OF LOW.
.24 HOUR FORECAST LOW 62N60W 996 MB. WITHIN 240 NM SW OF A LINE 
FROM 55N54W TO LOW CENTER WINDS 25 TO 40 KT. SEAS 2.5 TO 6 M. 
.48 HOUR FORECAST LOW WELL INLAND. CONDITIONS DEMINISHED.

...GALE WARNING... 
.24 HOUR FORECAST LOW 36N70W 1005 MB. FROM 33N TO 39N BETWEEN 
63W AND 73W WINDS 25 TO 35 KT. SEAS TO 3.5 M. 
.48 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 37N54W 1000 MB. 
FROM 32N TO 37N BETWEEN 46W AND 62W WINDS 25 TO 40 KT. SEAS 3 TO 
5 M. 

...HEAVY FREEZING SPRAY WARNING... 
.MODERATE TO HEAVY FREEZING SPRAY WITHIN THE GULF OF SAINT 
LAWRENCE W OF 62W...AND N OF 59N W OF 63W. ELSEWHERE LIGHT TO 
MODERATE FREEZING SPRAY W OF A LINE FROM 54N58W TO 
64N62W...WITHIN GULF OF SAINT LAWRENCE W OF 59W...FROM 44N TO 
46N W OF 60W...AND WITHIN 60 NM W OF GREENLAND N OF 63N. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE 
FROM 47N63W TO 51N57W IN THE GULF OF SAINT LAWRENCE. ELSEWHERE 
LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 43N69W TO 
45N60W TO 51N56W...AND W OF A LINE FROM 56N60W TO 
66N62W...WITHIN 60 NM W OF GREENLAND N OF 62N...AND N OF A LINE 
FROM 61N42W TO 65N35W. 
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY W OF A LINE 
44N61W TO 50N54W TO 52N54W TO 66N62W...AND WITHIN 90 NM W OF 
GREENLAND N OF 64N. 

.SYNOPSIS AND FORECAST. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 46N TO 63N 
BETWEEN 55W AND 63W AND WITHIN 90 NM E 54N46W TO 63N53W. 
.24 HOUR FORECAST DENSE FOG FROM 48N TO 54N BETWEEN 44W AND 
59W...W OF A LINE FROM 64N58W TO 56N43W...AND FROM 59N TO 63N E 
OF 43W. 
.48 HOUR FORECAST DENSE FOG W OF A LINE FROM 59N54W TO 
51N51W...AND FROM 47N TO 50N BETWEEN 42W AND 49W. 

.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

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

SYNOPSIS VALID 0600 UTC FRI DEC 5.
24 HOUR FORECAST VALID 0600 UTC SAT DEC  6.
48 HOUR FORECAST VALID 0600 UTC SUN DEC  7.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 24N35W TO 20N62W TO 11N61W TO 08N56W TO 09N35W TO
24N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E SWELL.
.24 HOUR FORECAST WITHIN 17N35W TO 16N51W TO 19N63W TO 08N58W TO
10N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E
SWELL.
.48 HOUR FORECAST WITHIN 17N35W TO 17N61W TO 10N61W TO 07N50W TO
10N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NE TO E
SWELL.

.ATLC WITHIN 31N47W TO 31N55W TO 30N54W TO 30N53W TO 31N51W TO
31N47W WINDS 20 KT OR LESS. SEAS TO 2.5 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N56W TO 28N48W TO 29N42W TO
28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3 M IN NW 
SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N70W TO 29N58W TO 26N51W TO
28N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NW TO
N SWELL.

.GULF OF AMERICA COLD FRONT FROM A 1014 MB LOW PRES NEAR 29N89W
TO 21N98W. WITHIN 26N95W TO 27N95W TO 27N97W TO 23N98W TO 21N97W
TO 21N96W TO 26N95W...INCLUDING WITHIN 60 NM OF COAST OF 
VERACRUZ...N WINDS 20 TO 30 KT. SEAS 2.5 TO 3 M.
.18 HOUR FORECAST CONDITIONS IMPROVE. 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 DELGADO. NATIONAL HURRICANE CENTER.