North Atlantic High Seas Forecast

FZNT01 KWBC 010948
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC THU JAN 01 2026

CCODE/1:31:04:01:00/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 JAN 01. 
24 HOUR FORECAST VALID 0600 UTC JAN 02.
48 HOUR FORECAST VALID 0600 UTC JAN 03.

.WARNINGS.

...STORM WARNING...
.COMPLEX LOW WITH MAIN INLAND LOW 58N79W 956 MB MOVING NW 10 KT.
WITHIN 90 NM N AND NE OF A LINE FROM 66N57W TO 63N53W TO 59N47W
TO W GREENLAND WINDS 35 TO 50 KT. SEAS 6 TO 11 M...HIGHEST NEAR
65N55W. ELSEWHERE N OF 50N W OF 50W AND FROM 50N TO 60N BETWEEN
40W AND 47W WINDS 25 TO 40 KT. SEAS 3.5 TO 7 M. ALSO N OF 62N E
OF GREENLAND WINDS TO 25 KT. SEAS TO 3 M.  
.24 HOUR FORECAST LOW WELL INLAND NEAR 60N86W 979 MB. N OF 50N W
OF 50W WINDS LESS THAN 25 KT. SEAS 2.5 TO 5 M IN MIXED
SWELL...HIGHEST NEAR 64N59W.  
.48 HOUR FORECAST LOW WELL INLAND AND ASSOCIATED CONDITIONS
DIMINISHED.

...STORM WARNING...
.LOW 41N59W 1007 MB MOVING NE 25 KT. WITHIN 300 NM NE...SE...1080
NM SW AND 600 NM W QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M
IN MIXED SWELL...HIGHEST NEAR 36N54W. 
.12 HOUR FORECAST LOW 44N54W 1004 MB. FROM 35N TO 41N BETWEEN 64W
AND 72W WINDS 30 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR 38N70W. 
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 46N59W
991 MB. WITHIN 180 NM NW...360 NM SE AND 420 NM SW QUADRANTS OF
NEW LOW WINDS 35 TO 45 KT. SEAS 3.5 TO 6.5 M. ELSEWHERE WITHIN
540 NM N...180 NM NE...660 NM SE...SW AND 300 NM W
QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE WINDS 25 TO 35
KT. SEAS 2.5 TO 5 M...EXCEPT TO 3.5 M IN THE GULF OF SAINT
LAWRENCE. 
.42 HOUR FORECAST COMPLEX LOW WITH MAIN LOW INLAND 54N64W 978 MB.
WITHIN AN AREA BOUNDED BY A LINE FROM 53N44W TO 60N43W TO 63N52W
TO 63N57W TO 56N58W TO 53N44W WINDS 35 TO 50 KT. SEAS 4.5 TO 8
M...HIGHEST NEAR 62N53W. 
.48 HOUR FORECAST COMPLEX LOW WITH MAIN LOW INLAND 55N67W 977 MB.
WITHIN 300 NM N AND NE OF A LINE FROM 55N45W TO 61N61W WINDS 35
TO 50 KT. SEAS 5.5 TO 9 M. ELSEWHERE FROM 50N TO 55N W OF 35W...W
AND NW OF A LINE FROM 55N35W TO 60N43W AND N OF 60N W OF
GREENLAND WINDS 25 TO 40 KT. SEAS 3 TO 6 M.

...GALE WARNING...
.LOW 45N44W 1013 MB MOVING NE 25 KT. WITHIN 240 NM E AND SE OF A
LINE FROM 31N58W TO 40N50W AND WITHIN 120 NM E OF A FRONT FROM
47N40W TO 50N43W WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.  
.24 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 45N43W
1004 MB. WITHIN 120 NM NE AND E OF A LINE FROM 52N48W TO 50N47W
AND WITHIN 180 NM NE AND E OF A LINE FROM 47N44W TO THE LOW TO
42N39W WINDS 30 TO 40 KT. SEAS 3.5 TO 6 M...HIGHEST NEAR 46N43W.
ELSEWHERE FROM 50N TO 60N BETWEEN 40W AND 50W AND WITHIN AN AREA
BOUNDED BY A LINE FROM 40N35W TO 50N47W TO 50N35W TO 40N35W WINDS
20 TO 30 KT. SEAS 2.5 TO 4.5 M. 
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH INLAND LOW 55N67W. 

...GALE WARNING...
.48 HOUR FORECAST NEW LOW TO FORM NEAR 44N54W 998 MB. WITHIN 240
NM NE...420 NM SE...1080 NM SW...720 NM W AND BETWEEN 240 NM AND
540 NM NW QUADRANTS...INCLUDING THE GULF OF SAINT LAWRENCE WINDS
25 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR 40N56W. SEAS 2.5 TO 5 M
IN THE GULF OF SAINT LAWRENCE. 

...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 55N56W TO
59N60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY IN THE GULF OF
SAINT LAWRENCE AND W OF A LINE FROM 52N51W TO 60N61W. 
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 58N60W TO 61N61W. ELSEWHERE LIGHT FREEZING SPRAY NW AND N OF
A LINE FROM 38N75W TO 40N67W TO 45N67W...INCLUDING THE BAY OF
FUNDY AND W AND NW OF A LINE FROM 54N55W TO 67N55W.  
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE W GULF
OF SAINT LAWRENCE W OF A LINE FROM 47N61W TO 50N61W. ELSEWHERE
LIGHT FREEZING SPRAY NW AND N OF A LINE FROM 40N74W TO 45N59W TO
47N58W TO 52N57W...INCLUDING THE BAY OF FUNDY AND THE REST OF THE
GULF OF SAINT LAWRENCE...W OF A LINE FROM 53N54W TO 58N59W AND N
OF 64N E OF GREENLAND.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 42N TO 44N
BETWEEN 50W AND 53W...FROM 45N TO 48N BETWEEN 55W AND 59W AND N
OF 40N W OF 71W...INCLUDING LONG ISLAND SOUND. 
.24 HOUR FORECAST DENSE FOG IN THE GULF OF SAINT LAWRENCE...FROM
45N TO 57N W OF 44W TO THE COASTS OF NEWFOUNDLAND AND LABRADOR
AND N OF 64N W OF GREENLAND. 
.48 HOUR FORECAST DENSE FOG FROM 44N TO 47N BETWEEN 52W AND 59W.

.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 AMERICA

SYNOPSIS VALID 0600 UTC THU JAN 1.
24 HOUR FORECAST VALID 0600 UTC FRI JAN  2.
48 HOUR FORECAST VALID 0600 UTC SAT JAN  3.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N51W TO 31N63W TO 27N62W TO 27N59W TO 28N55W TO
31N51W WINDS 20 KT OR LESS. SEAS 2.5 TO 4.0 M IN NW SWELL.
.24 HOUR FORECAST WITHIN 31N47W TO 31N55W TO 29N54W TO 29N49W TO
31N47W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 2.5 M.

.ATLC WITHIN 31N35W TO 21N50W TO 10N57W TO 07N46W TO 15N35W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 17N35W TO 13N44W TO 10N45W TO 07N43W TO
07N38W TO 11N35W TO 17N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NW TO N SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.ATLC 18 HOUR FORECAST WITHIN 31N66W TO 31N78W TO 30N74W TO
30N69W TO 31N66W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW
SWELL.
.24 HOUR FORECAST WITHIN 31N66W TO 31N75W TO 30N71.5W TO 30N68W
TO 31N66W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.
.48 HOUR FORECAST WITHIN 31N56W TO 31N67W TO 29N63W TO 29N60W TO
31N56W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NW SWELL.

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


.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$