OPC N Atlantic High Seas Forecast
Wed Jan 14 11:02 pm
FZNT01 KWBC 150400
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU JAN 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC JAN 15.
24 HOUR FORECAST VALID 0000 UTC JAN 16.
48 HOUR FORECAST VALID 0000 UTC JAN 17.
.WARNINGS.
...STORM WARNING...
.LOW INLAND 41N77W 997 MB MOVING NE 25 KT. S OF 39N BETWEEN 66W
AND 77W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER INLAND 46N70W 986
MB. WITHIN 240 NM E OF A LINE FROM 40N66W TO 31N72W WINDS 25 TO
40 KT. SEAS 3 TO 6 M. ELSEWHERE S OF 44N W OF 53W WINDS TO 25 KT.
SEAS 2.5 TO 5 M.
.30 HOUR FORECAST LOW INLAND WITH NEW LOW 40N64W 983 MB. WITHIN
90 NM E OF A LINE FROM LOW TO 35N67W WINDS 40 TO 50 KT. SEAS 5 TO
8 M.
.48 HOUR FORECAST LOW 54N53W 964 MB. WITHIN 360 NM SE AND 540 NM
SW QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE WITHIN
300 NM NE...1020 NM SE...1080 NM SW...AND 180 NM NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 4 TO 8 M.
...STORM WARNING...
.24 HOUR FORECAST NEW LOW 52N57W 987 MB. WITHIN 720 NM SE
QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.36 HOUR FORECAST LOW 58N52W 981 MB. FROM 59N TO 60N BETWEEN 43W
AND 47W WINDS 35 TO 50 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 60N54W 978 MB. FROM 59N TO 60N BETWEEN 42W
AND 48W WINDS 40 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE N OF 58N W OF
35W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
...GALE WARNING...
.LOW E OF AREA 57N32W 975 MB MOVING SE 30 KT. N OF 44N E OF 42W
WINDS 25 TO 40 KT. SEAS 4 TO 8 M. ELSEWHERE N OF 42N E OF 47W
WINDS TO 25 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 51N W OF 51W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF
GREENLAND AND N OF 56N W OF 58W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE GULF OF
ST. LAWRENCE W OF 61W AND FROM 56N TO 61N W OF 59W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY FROM 44N TO 50N W OF 60W AND N
OF 64N W OF GREENLAND.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63 W OF 55W. .
.24 HOUR FORECAST DENSE FOG FROM 42N TO 63N W OF 48W.
.48 HOUR FORECAST DENSE FOG N OF 47N W OF 35W.
.FORECASTER
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU JAN 15 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 0000 UTC JAN 15.
24 HOUR FORECAST VALID 0000 UTC JAN 16.
48 HOUR FORECAST VALID 0000 UTC JAN 17.
.WARNINGS.
...STORM WARNING...
.LOW INLAND 41N77W 997 MB MOVING NE 25 KT. S OF 39N BETWEEN 66W
AND 77W WINDS 25 TO 35 KT. SEAS TO 4 M.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER INLAND 46N70W 986
MB. WITHIN 240 NM E OF A LINE FROM 40N66W TO 31N72W WINDS 25 TO
40 KT. SEAS 3 TO 6 M. ELSEWHERE S OF 44N W OF 53W WINDS TO 25 KT.
SEAS 2.5 TO 5 M.
.30 HOUR FORECAST LOW INLAND WITH NEW LOW 40N64W 983 MB. WITHIN
90 NM E OF A LINE FROM LOW TO 35N67W WINDS 40 TO 50 KT. SEAS 5 TO
8 M.
.48 HOUR FORECAST LOW 54N53W 964 MB. WITHIN 360 NM SE AND 540 NM
SW QUADRANTS WINDS 35 TO 50 KT. SEAS 5 TO 8 M. ELSEWHERE WITHIN
300 NM NE...1020 NM SE...1080 NM SW...AND 180 NM NW QUADRANTS
WINDS 25 TO 40 KT. SEAS 4 TO 8 M.
...STORM WARNING...
.24 HOUR FORECAST NEW LOW 52N57W 987 MB. WITHIN 720 NM SE
QUADRANT WINDS 25 TO 35 KT. SEAS 3 TO 5 M.
.36 HOUR FORECAST LOW 58N52W 981 MB. FROM 59N TO 60N BETWEEN 43W
AND 47W WINDS 35 TO 50 KT. SEAS 3 TO 6 M.
.48 HOUR FORECAST LOW 60N54W 978 MB. FROM 59N TO 60N BETWEEN 42W
AND 48W WINDS 40 TO 50 KT. SEAS 5 TO 9 M. ELSEWHERE N OF 58N W OF
35W WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
...GALE WARNING...
.LOW E OF AREA 57N32W 975 MB MOVING SE 30 KT. N OF 44N E OF 42W
WINDS 25 TO 40 KT. SEAS 4 TO 8 M. ELSEWHERE N OF 42N E OF 47W
WINDS TO 25 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW AND CONDITIONS E OF AREA.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT TO MODERATE FREEZING SPRAY N OF 51N W OF 51W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF 62N W OF
GREENLAND AND N OF 56N W OF 58W.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY IN THE GULF OF
ST. LAWRENCE W OF 61W AND FROM 56N TO 61N W OF 59W. ELSEWHERE
LIGHT TO MODERATE FREEZING SPRAY FROM 44N TO 50N W OF 60W AND N
OF 64N W OF GREENLAND.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63 W OF 55W. .
.24 HOUR FORECAST DENSE FOG FROM 42N TO 63N W OF 48W.
.48 HOUR FORECAST DENSE FOG N OF 47N W OF 35W.
.FORECASTER