HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON OCT 12 2026
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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).
FOR ANY TROPICAL CYCLONE INFORMATION BEYOND 48 HOURS REFERENCE
THE ASSOCIATED NWS TROPICAL CYCLONE FORECAST/ADVISORY (TCM).
FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS WILL BE LIMITED TO
WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 4 METERS OR
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, VOLCANIC ASH, AND
ANYTHING TROPICAL (INCLUDING A DEPRESSION). LESSER CONDITIONS
WILL BE INCLUDED FOR WARNING CONDITIONS AND TO PRESERVE
CONTINUITY WHERE APPROPRIATE.
SECURITE
NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W
ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS
SYNOPSIS VALID 0600 UTC OCT 12.
24 HOUR FORECAST VALID 0600 UTC OCT 13.
48 HOUR FORECAST VALID 0600 UTC OCT 14.
.WARNINGS.
...HURRICANE FORCE WIND WARNING...
.COMPLEX LOW WITH FIRST CENTER JUST E OF AREA 60N34W 960 MB
MOVING NW 15 KT THEN TURNING SW AFTER 12 HOURS...AND SECOND
CENTER 63N38W 957 MB MOVING SW 15 KT THEN TURNING SE AFTER 12
HOURS. WITHIN 120 NM NW SEMICIRCLE OF SECOND CENTER WINDS 50 TO
65 KT. SEAS 6 TO 9.5 M. ALSO WITHIN 150 NM S SEMICIRCLE OF FIRST
CENTER...WITHIN 240 NM NW SEMICIRCLE OF SECOND CENTER...AND
WITHIN 90 NM OF E GREENLAND COAST N OF 60N WINDS 35 TO 50 KT.
SEAS 5 TO 8 M. ALSO N OF 56N E OF 42W WINDS 25 TO 35 KT. SEAS 4
TO 7 M. ELSEWHERE CONDITIONS DESCRIBED WITH LOW 61N46W BELOW.
.24 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 62N39W 968 MB.
WITHIN 90 NM OF THE E GREENLAND COAST N OF 64N...WITHIN 240 NM SE
QUADRANT...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 56N50W TO
64N58W WINDS 35 TO 45 KT. SEAS 4 TO 8.5 M...HIGHEST NEAR 58N53W.
ELSEWHERE N OF 52N E OF 64W WINDS 25 TO 35 KT. SEAS 3 TO 7 M.
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER 59N38W 981 MB.
FROM 45N TO 61N E OF 62W WINDS 25 TO 40 KT. SEAS 3 TO 6.5
M...HIGHEST NEAR 51N44W. ELSEWHERE N OF 43N E OF 64W WINDS TO 25
KT. SEAS 2.5 TO 5 M.
...STORM WARNING...
.LOW 61N46W 970 MB MOVING SW 05 KT THEN TURNING SE AFTER 12
HOURS. WITHIN 90 NM EITHER SIDE OF A LINE FROM 58N46W TO 61N51W
TO 65N56W WINDS 40 TO 55 KT. SEAS 5 TO 8 M. ALSO WITHIN 240 NM
EITHER SIDE OF A LINE FROM 52N40W TO 60N53W TO 67N59W WINDS 25 TO
40 KT. SEAS 3 TO 7 M. ELSEWHERE...EXCEPT WHERE DESCRIBED WITH
HURRICANE FORCE WIND WARNING ABOVE...FROM 34N TO 40N E OF
50W...FROM 50N TO 60N E OF 57W...AND N OF 60N W OF GREENLAND
WINDS TO 25 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST LOW AND CONDITIONS ABSORBED BY HURRICANE FORCE
WIND WARNING ABOVE.
...STORM WARNING...
.LOW INLAND 41N70W 1006 MB MOVING 35 KT. WITHIN 480 NM E AND 360
NM SE QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 44N48W 988 MB. WITHIN 300 NM SE QUADRANT
WINDS 35 TO 45 KT. SEAS 4 TO 6 M. ALSO WITHIN 420 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE FROM 32N
TO 50N BETWEEN 40W AND 68W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.30 HOUR FORECAST RAPIDLY INTENSIFYING LOW 47N41W 981 MB. WITHIN
300 NM SE QUADRANT WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M.
.48 HOUR FORECAST LOW WELL E OF AREA AND NEW LOW TO FORM NEAR
41N36W 1008 MB. FROM 35N TO 45N E OF 61W WINDS 20 TO 30 KT. SEAS
2.5 TO 5.5 M.
...GALE WARNING...
.LOW INLAND 50N66W 1001 MB MOVING E 40 KT. BETWEEN 240 NM AND 660
NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M.
.12 HOUR FORECAST LOW 49N51W 994 MB. WITHIN 300 NM SE AND S
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW 52N37W 985 MB. WITHIN 300 NM SE QUADRANT
WINDS 30 TO 45 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 40N TO 55N E
OF 66W WINDS 20 TO 30 KT. SEAS 2.5 TO 5 M.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF AREA.
.SYNOPSIS AND FORECAST.
.24 HOUR FORECAST NEW LOW 40N59W 1000 MB. WITHIN 240 NM SE
SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M. ELSEWHERE
CONDITIONS DESCRIBED WITH LOW 44N48W IN WARNINGS SECTION ABOVE.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 41N36W IN
WARNINGS SECTION ABOVE.
.48 HOUR FORECAST NEW LOW INLAND NEAR 45N75W 1006 MB. WITHIN 480
NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 3 M.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 56N E OF
44W...FROM 48N TO 60N W OF 49W...AND FROM 37N TO 43N W OF 64W.
.24 HOUR FORECAST DENSE FOG FROM 40N TO 55N BETWEEN 37W AND
55W...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 55N55W TO
59N42W TO 66N36W.
.48 HOUR FORECAST DENSE FOG WITHIN 90 NM OF THE E GREENLAND COAST
N OF 60N...AND FROM 41N TO 46N W OF 63W.
.LIGHT FREEZING SPRAY N OF 60N W OF 61W...AND WITHIN 60 NM OF THE
W GREENLAND COAST N OF 62N.
.24 HOUR FORECAST LIGHT FREEZING SPRAY N OF 64N W OF 60W.
.48 HOUR FORECAST CONDITIONS IMPROVED.
.FORECASTER ANDERSON. 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 MON OCT 12.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 13.
48 HOUR FORECAST VALID 0600 UTC WED OCT 14.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N45W TO 31N53W TO 30N57W TO 29N57W TO 28N50W TO
31N45W WINDS 20 KT OR LESS. SEAS 2.5 M IN N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N44W TO 29N45W TO 28N40W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN NW TO N SWELL.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 42 HOUR FORECAST WITHIN 26N35W TO 26N37W TO 24N38W TO
22N38W TO 22N35W TO 26N35W WINDS 20 KT OR LESS. SEAS 2.5 M IN
NW TO N SWELL.
.48 HOUR FORECAST LITTLE CHANGE.
.ATLC AND CARIBBEAN WITHIN 20.5N72.5W TO 21N72.5W TO 21N73.5W TO
20.5N74W TO 20N74W TO 20N73W TO 20.5N72.5W E WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN WITHIN 13N69W TO 15N71W TO 15N73W TO 12N75W TO 11N75W
TO 13N69W E WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.24 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 ERA. NATIONAL HURRICANE CENTER.
$$