HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON OCT 19 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC OCT 19.
24 HOUR FORECAST VALID 0600 UTC OCT 20.
48 HOUR FORECAST VALID 0600 UTC OCT 21.
.WARNINGS.
...STORM WARNING...
.LOW 65N36W 972 MB MOVING SE 05 KT. FROM 58N TO 62N E OF 43W
WINDS 35 TO 50 KT. SEAS 4 TO 8 M...HIGHEST NEAR 60N35W. ELSEWHERE
N OF 49N W OF 46W WINDS 25 TO 35 KT. SEAS 3 TO 6 M.
.24 HOUR FORECAST LOW JUST E OF AREA 64N34W 982 MB. WITHIN 900 NM
S AND 480 NM SW QUADRANTS...AND N OF 63N E OF GREENLAND...EXCEPT
WHERE OTHERWISE DESCRIBED...WINDS 25 TO 40 KT. SEAS 2.5 TO 6.5
M...HIGHEST NEAR 56N35W.
.48 HOUR FORECAST COMPLEX LOW WITH FIRST CENTER 63N39W 985 MB AND
NEW SECOND CENTER NEAR 61N34W 989 MB. N OF 64N E OF
GREENLAND...AND FROM 57N TO 60N BETWEEN 38W AND 45W WINDS 35 TO
45 KT. SEAS 3 TO 6 M. ELSEWHERE WITHIN 240 NM EITHER SIDE OF A
LINE FROM 61N59W TO 53N35W WINDS 25 TO 35 KT. SEAS 2.5 TO 5.5
M...HIGHEST NEAR 65N38W AND 59N41W.
...GALE WARNING...
.LOW 32N71W 1009 MB DRIFTING NW THEN MOVING N 05 KT AFTER 06
HOURS. WITHIN 180 NM NW AND 240 NM N QUADRANTS WINDS 35 TO 45 KT.
SEAS 4 TO 7.5 M. ELSEWHERE WITHIN 360 NM NW AND 540 NM N
QUADRANTS...AND FROM 36N TO 42N BETWEEN 45W AND 65W WINDS 25 TO
35 KT. SEAS 2.5 TO 5 M...HIGHEST N AND W OF CENTER.
.24 HOUR FORECAST LOW 35N72W 1002 MB. S OF 43N W OF 59W WINDS 25
TO 40 KT. SEAS 2.5 TO 6 M...HIGHEST CONDITIONS NW OF CENTER.
.48 HOUR FORECAST LOW 36N69W 1003 MB. WITHIN 300 NM W AND 360 NM
N QUADRANTS WINDS 25 TO 40 KT. SEAS 3 TO 6 M.
...GALE WARNING...
.WITHIN 240 NM EITHER SIDE OF A LINE FROM 64N65W TO 55N52W TO
51N35W AREA OF NW TO W WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
.24 HOUR FORECAST NEW LOW 57N53W 999 MB. WITHIN 600 NM SE
QUADRANT...AND WITHIN THE GULF OF SAINT LAWRENCE E OF 62W...WINDS
25 TO 35 KT. SEAS 2.5 TO 4.5 M...EXCEPT SEAS TO 3 M WITHIN THE
GULF OF SAINT LAWRENCE.
.48 HOUR FORECAST LOW AND CONDITIONS DESCRIBED WITH LOW 61N34W
ABOVE.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF 63N E OF
GREENLAND...AND FROM 48N TO 56W BETWEEN 38W AND 54W.
.24 HOUR FORECAST DENSE FOG N OF 62N E OF 62W...FROM 53N TO 59N E
OF 62W...AND WITHIN 120 NM EITHER SIDE OF A LINE FROM 37N70W TO
43N60W.
.48 HOUR FORECAST DENSE FOG N OF 63N E OF 40W...N OF 57N W OF
46W...FROM 55N TO 58N E OF 43W...AND WITHIN 180 NM EITHER SIDE OF
A LINE FROM 37N70W TO 48N40W.
.LIGHT FREEZING SPRAY NW OF A LINE FROM 59N62W TO 67N56W.
.24 HOUR FORECAST LIGHT FREEZING SPRAY NW AND N OF A LINE FROM
60N60W TO 65N53W.
.48 HOUR FORECAST LIGHT FREEZING SPRAY N OF 60N W OF GREENLAND.
.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 19.
24 HOUR FORECAST VALID 0600 UTC TUE OCT 20.
48 HOUR FORECAST VALID 0600 UTC WED OCT 21.
.WARNINGS.
...ATLC GALE WARNING...
.COLD FRONT FROM 31N71W TO 23N83W. WITHIN 31N72W TO 31N81W TO
29N81W TO 30N76W TO 30N72W TO 31N72W N TO NE WINDS 25 TO 35 KT.
SEAS 4.0 TO 5.5 M. WITHIN 29N66W TO 31N66W TO 29N72W TO 28N81W TO
26N80W TO 24N74W TO 29N66W...INCLUDING ATLANTIC EXPOSURES...N TO
NE WINDS 20 TO 25 KT. SEAS 2.5 TO 4.5 M.
.06 HOUR FORECAST WITHIN 31N71W TO 31N81W TO 28N80W TO 28N78W
TO 30N77W TO 30N72W TO 31N71W N TO NE WINDS 20 TO 25 KT. SEAS 4.0
TO 5.5 M. WITHIN 31N66W TO 31N71W TO 29N77W TO 26N80W TO 23N74W
TO 25N69W TO 31N66W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT
OR LESS. SEAS 2.5 TO 3.0 M IN N SWELL.
.24 HOUR FORECAST WITHIN 31N68W TO 31N81W TO 25N80W TO 21N69W
TO 25N68W TO 31N68W...INCLUDING ATLANTIC EXPOSURES...N TO NE
WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 31N67W TO 31N81W TO 26N80W TO 24N74W
TO 31N67W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS.
SEAS 2.5 TO 3.0 M IN N TO NE SWELL.
...GULF OF AMERICA GALE WARNING...
.STATIONARY FRONT FROM 23N84W TO 18N94W. WITHIN 20N95W TO 21N96W
TO 21N97W TO 20N97W TO 19N96W TO 19N95W TO 20N95W...INCLUDING
WITHIN 60 NM OF COAST OF VERACRUZ...NW TO N WINDS 25 TO 35 KT.
SEAS 2.5 TO 4.5 M. WITHIN 29N83W TO 26N93W TO 22N96W TO 19N94W TO
22N90W TO 24N81W TO 29N83W...INCLUDING WITHIN 60 NM OF COAST OF
CAMPECHE...NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.12 HOUR FORECAST WITHIN 20N93W TO 21N95W TO 20N97W TO 19N96W
TO 18N95W TO 19N93W TO 20N93W...INCLUDING WITHIN 60 NM OF COAST
OF VERACRUZ...NW TO N WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
WITHIN 26N86W TO 26N87W TO 25N89W TO 24N89W TO 24N87W TO 24N85W
TO 26N86W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE SWELL.
.24 HOUR FORECAST WITHIN 20N95W TO 21N96W TO 20N97W TO 19N96W TO
18N95W TO 19N94W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN
27N88W TO 28N90W TO 27N91W TO 26N90W TO 26N88W TO 27N88W E WINDS
20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 20N95W TO 20N96W TO 20N97W TO 19N96W
TO 19N95W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 2.5 M.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 28N41W TO 30N44W TO 29N48W TO 27N49W TO 25N44W TO
26N42W TO 28N41W E WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 31N45W TO 31N55W TO 30N55W TO 29N52W TO
29N46W TO 31N45W E TO SE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.42 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 RAMOS. NATIONAL HURRICANE CENTER.
$$