OPC N Atlantic High Seas Forecast
Fri Jun 12 11:38 pm
FZNT01 KWBC 130336
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT JUN 13 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC JUN 13.
24 HOUR FORECAST VALID 0000 UTC JUN 14.
48 HOUR FORECAST VALID 0000 UTC JUN 15.
.WARNINGS.
...GALE WARNING...
.LOW 52N49W 995 MB MOVING SE 05 KT. WITHIN 240 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 360 NM N AND
W SEMICIRCLES AND WITHIN 300 NM E AND SE OF A FRONT FROM LOW TO
47N45W TO 43N53W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
52N42W BELOW.
..GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 51N49W 993 MB MOVING SE 15 KT AND
SECOND CENTER 49N42W 997 MB MOVING NW 05 KT. WITHIN 240 NM OF LOW
CENTER EXCEPT SE QUADRANT...AND WITHIN 150 NM E AND SE OF A FRONT
EXTENDING FROM 47N41W TO 43N48W WINDS 25 TO 40 KT. SEAS 2.5 TO
4.5 M. ELSEWHERE FROM 40N TO 57N BETWEEN 38W AND 55W WINDS 20 TO
30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST COMBINED LOW 52N42W 991 MB. FROM 44N TO 61N
BETWEEN 35W AND 51W...AND WITHIN 300 NM SE AND S OF A FRONT TO
EXTEND FROM 44N35W TO 40N51W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5
M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA 52N33W
995 MB. WITHIN 300 NM NW AND N OF A LINE FROM 58N35W TO 54N50W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 44N TO 50N
BETWEEN 35W AND 48W WINDS 20 TO 30 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 41N60W 1007 MB MOVING E 20 KT. WITHIN 300 NM SE AND 480 NM S
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE WITH LOW 52N42W.
.24 HOUR FORECAST NEW LOW 40N61W 1010 MB. WITHIN 480 NM S
QUADRANT WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 40N54W 1011 MB. WITHIN 480 NM S QUADRANT
WINDS LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 39N74W 1001 MB. FROM 31N TO 39N BETWEEN 72W
AND 79W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 52N
BETWEEN 35W AND 37W...AND FROM 41N TO 45N BETWEEN 60W AND 70W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 59N BETWEEN 35W AND
44W...AND FROM 41N TO 45N BETWEEN 61W AND 68W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 60N BETWEEN 35W AND 44W.
.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SAT JUN 13 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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0000 UTC JUN 13.
24 HOUR FORECAST VALID 0000 UTC JUN 14.
48 HOUR FORECAST VALID 0000 UTC JUN 15.
.WARNINGS.
...GALE WARNING...
.LOW 52N49W 995 MB MOVING SE 05 KT. WITHIN 240 NM NW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 3 TO 4.5 M. ELSEWHERE WITHIN 360 NM N AND
W SEMICIRCLES AND WITHIN 300 NM E AND SE OF A FRONT FROM LOW TO
47N45W TO 43N53W WINDS 20 TO 30 KT. SEAS 2.5 TO 3.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
52N42W BELOW.
..GALE WARNING...
.COMPLEX LOW WITH FIRST CENTER 51N49W 993 MB MOVING SE 15 KT AND
SECOND CENTER 49N42W 997 MB MOVING NW 05 KT. WITHIN 240 NM OF LOW
CENTER EXCEPT SE QUADRANT...AND WITHIN 150 NM E AND SE OF A FRONT
EXTENDING FROM 47N41W TO 43N48W WINDS 25 TO 40 KT. SEAS 2.5 TO
4.5 M. ELSEWHERE FROM 40N TO 57N BETWEEN 38W AND 55W WINDS 20 TO
30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST COMBINED LOW 52N42W 991 MB. FROM 44N TO 61N
BETWEEN 35W AND 51W...AND WITHIN 300 NM SE AND S OF A FRONT TO
EXTEND FROM 44N35W TO 40N51W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5
M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER E OF AREA 52N33W
995 MB. WITHIN 300 NM NW AND N OF A LINE FROM 58N35W TO 54N50W
WINDS 25 TO 40 KT. SEAS 2.5 TO 5 M. ELSEWHERE FROM 44N TO 50N
BETWEEN 35W AND 48W WINDS 20 TO 30 KT. SEAS TO 4 M.
.SYNOPSIS AND FORECAST.
.LOW 41N60W 1007 MB MOVING E 20 KT. WITHIN 300 NM SE AND 480 NM S
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 3.5 M.
.24 HOUR FORECAST LOW DISSIPATED. CONDITIONS DESCRIBED IN
WARNINGS SECTION ABOVE WITH LOW 52N42W.
.24 HOUR FORECAST NEW LOW 40N61W 1010 MB. WITHIN 480 NM S
QUADRANT WINDS TO 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 40N54W 1011 MB. WITHIN 480 NM S QUADRANT
WINDS LESS THAN 25 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 39N74W 1001 MB. FROM 31N TO 39N BETWEEN 72W
AND 79W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 50N TO 52N
BETWEEN 35W AND 37W...AND FROM 41N TO 45N BETWEEN 60W AND 70W.
.24 HOUR FORECAST DENSE FOG FROM 54N TO 59N BETWEEN 35W AND
44W...AND FROM 41N TO 45N BETWEEN 61W AND 68W.
.48 HOUR FORECAST DENSE FOG FROM 55N TO 60N BETWEEN 35W AND 44W.
.FORECASTER HUFFMAN. OCEAN PREDICTION CENTER.
NWS NATIONAL HURRICANE