FZNT01 KWBC 270420
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC THU NOV 27 2025
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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 NOV 27.
24 HOUR FORECAST VALID 0000 UTC NOV 28.
48 HOUR FORECAST VALID 0000 UTC NOV 29.
.WARNINGS.
...GALE WARNING...
.LOW E OF AREA NEAR 55N29W 970 MB MOVING NE 25 KT AND
INTENSIFYING. FROM 46N TO 55N E OF 38W WINDS 30 TO 40 KT. SEAS
4.5 TO 7 M IN N SWELL. ELSEWHERE FROM 43N TO 55N E OF 45W AND N
OF 55N E OF 40W WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW WELL NE OF AREA. FROM 50N TO 60N E OF 40W
WINDS LESS THAN 25 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST LOW AND CONDITIONS WELL E OF THE AREA.
...GALE WARNING...
.INLAND LOW 45N73W 1000 MB MOVING NE 25 KT. WITHIN 480 NM NW AND
N OF A LINE FROM 34N70W TO 37N58W TO 44N54W WINDS 25 TO 35 KT.
SEAS 2.5 TO 4 M.
.24 HOUR FORECAST LOW 49N62W 995 MB. WITHIN 300 NM NE...900 NM
SE...960 NM S AND 1260 NM SW QUADRANTS WINDS 25 TO 35 KT. SEAS
2.5 TO 5.5 M...HIGHEST NEAR 41N57W...EXCEPT SEAS TO 3 M IN THE
GULF OF SAINT LAWRENCE.
.36 HOUR FORECAST LOW DISSIPATED WITH NEW LOW TO FORM NEAR 39N62W
1004 MB. WITHIN 180 NM E AND SE OF A FRONT FROM 43N55W TO THE LOW
TO 34N66W WINDS 35 TO 45 KT. SEAS 4.5 TO 6 M...HIGHEST NEAR
41N57W.
.48 HOUR FORECAST LOW 44N53W 1003 MB. WITHIN 300 NM E AND SE OF A
FRONT FROM 47N49W TO THE LOW TO 37N57W WINDS 30 TO 45 KT. SEAS 4
TO 7 M. ELSEWHERE WITHIN 720 NM NE...480 NM SE AND 780 NM SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 5 M.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 62N58W 998 MB MOVING SE 10 KT. FROM
43N TO 55N BETWEEN 45W AND 56W AND WITHIN 300 NM SE AND 240 NM NW
QUADRANTS WINDS 20 TO 30 KT. SEAS 2.5 TO 4 M.
.18 HOUR FORECAST LOW 62N55W 998 MB. WITHIN 300 NM SE...180 NM SW
AND 300 NM NW QUADRANTS WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5
M...HIGHEST NEAR 61N58W.
.24 HOUR FORECAST LOW 61N53W 998 MB. WITHIN 120 NM SW SEMICIRCLE
WINDS 25 TO 35 KT. SEAS 2.5 TO 3.5 M.
.48 HOUR FORECAST LOW DISSPATED WITH NEW LOW TO FORM NEAR 55N58W
995 MB. WITHIN 180 NM N AND NE OF A LINE FROM 57N59W TO 50N36W
WINDS 25 TO 35 KT. SEAS 2.5 TO 4 M.
...GALE WARNING...
.18 HOUR FORECAST NEW LOW 47N47W 1008 MB. WITHIN 180 NM SE AND S
OF A LINE FROM 49N39W TO 46N49W WINDS 35 TO 45 KT. SEAS 3.5 TO 6
M...HIGHEST NEAR 47N45W.
.24 HOUR FORECAST LOW 47N39W 1010 MB. WITHIN 240 NM S OF A LINE
FROM 48N35W TO 46N46W WINDS 35 TO 45 KT. SEAS 4 TO 6 M. ELSEWHERE
WITHIN AN AREA BOUNDED BY A LINE FROM 37N50W TO 50N50W TO 48N35W
TO 43N35W TO 37N50W WINDS 25 TO 35 KT. SEAS 2.5 TO 4.5 M.
.48 HOUR FORECAST LOW ABSORBED AND CONDITIONS DESCRIBED ABOVE
WITH LOW 44N53W.
...GALE WARNING...
.36 HOUR FORECAST FROM 31N TO 44N W OF 65W AREA OF W WINDS 25 TO
35 KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST FROM 39N TO 44N BETWEEN 62W AND 74W AREA OF W
WINDS 30 TO 40 KT. SEAS 3.5 TO 5 M. ELSEWHERE W OF A LINE FROM
32N65W TO 45N55W TO 47N56W AREA OF W TO NW WINDS 20 TO 30 KT.
SEAS 2.5 TO 4 M.
...HEAVY FREEZING SPRAY WARNING...
.LIGHT FREEZING SPRAY WITHIN 60 NM OF THE LABRADOR COAST FROM
51N TO 59N...FROM 60N TO 67N W OF 60W...WITHIN 60 NM W OF THE
GREENLAND COAST FROM 62N TO 67N...WITHIN 60 NM E OF GREENLAND
FROM 60N TO 64N AND N OF 64N E OF GREENLAND.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY W OF A LINE
FROM 62N TO 67N W OF 60W. ELSEWHERE LIGHT TO MODERATE FREEZING
WITHIN 120 NM OF LABRADOR FROM 54N TO 60N...N OF 60N WITHIN 60 NM
SW OF GREENLAND...WITHIN 60 NM E OF THE GREENLAND COAST FROM 60N
TO 64N...AND N OF 64N E OF GREENLAND.
.48 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY NW AND N OF A
LINE FROM 61N63W TO 65N60W. ELSEWHERE LIGHT TO MODERATE FREEZING
WITHIN 120 NM OF LABRADOR FROM 55N TO 60N...WITHIN 60 NM W OF
GREENLAND FROM 60N TO 67N...WITHIN 60 NM E OF THE GREENLAND COAST
FROM 60N TO 64N...AND N OF 64N E OF GREENLAND.
.SYNOPSIS AND FORECAST.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N NW OF A LINE FROM
39N72W TO 45N59W AND FROM 46N TO 50N W OF 63W...INCLUDING THE BAY
OF FUNDY AND THE GULF OF SAINT LAWRENCE...FROM 61N TO 67N W OF
60W AND WITHIN 60 NM W OF A LINE FROM 54N46W TO 58N50W.
.24 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 45W AND 54W
AND N OF 64N W OF GREENLAND.
.48 HOUR FORECAST DENSE FOG WITHIN 180 NM NW AND N OF A LINE FROM
45N49W TO 47N42W...FROM 53N TO 59N W OF 46W TO LABRADOR AND FROM
64N TO 67N E OF 57W TO GREENLAND.
.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 0000 UTC THU NOV 27.
24 HOUR FORECAST VALID 0000 UTC FRI NOV 28.
48 HOUR FORECAST VALID 0000 UTC SAT NOV 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N38W TO 31N54W TO 28N54W TO 25N58W TO 27N45W TO
31N38W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 31N35W TO 31N46W TO 29N52W TO 24N53W
TO 24N48W TO 31N35W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 25N48W TO 26N50W TO 26N51W TO 24N51W TO
24N50W TO 24N49W TO 25N48W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.
.ATLC 03 HOUR FORECAST WITHIN 21N55W TO 22N58W TO 22N60W TO
22N63W TO 19N66W TO 19N57W TO 21N55W...INCLUDING IN ATLANTIC
EXPOSURES AND PASSAGES...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO
3.0 M.
.24 HOUR FORECAST WITHIN 20N58W TO 22N58W TO 21N64W TO 19N65W
TO 18N62W TO 18N61W TO 20N58W...INCLUDING IN ATLANTIC EXPOSURES
AND PASSAGES...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E
SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 33 HOUR FORECAST WITHIN 31N66W TO 31N70W TO 30N72W TO
29N71W TO 29N69W TO 30N69W TO 31N66W SW TO W WINDS 20 TO 25 KT.
SEAS LESS THAN 2.5 M.
.48 HOUR FORECAST WITHIN 31N66W TO 30N71W TO 26N78W TO 23N80W TO
22N77W TO 31N66W...INCLUDING ATLANTIC EXPOSURES...N TO NE WINDS
20 TO 25 KT. SEAS LESS THAN 2.5 M.
.CARIBBEAN WITHIN 14N69W TO 17N72W TO 18N76W TO 16N82W TO 09N81W
TO 11N72W TO 14N69W...INCLUDING THE GULF OF VENEZUELA...NE TO E
WINDS 20 TO 30 KT. SEAS 2.5 TO 3.0 M.
.24 HOUR FORECAST WITHIN 16N73W TO 16N78W TO 15N81W TO 12N83W
TO 09N82W TO 12N70W TO 16N73W...INCLUDING WITHIN 60 NM OF COAST
OF NICARAGUA AND THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 30
KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 12N77W TO 13N78W TO 13N80W TO 11N81W TO
10N81W TO 10N79W TO 12N77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.
.CARIBBEAN 36 HOUR FORECAST WITHIN 21N85W TO 22N85W TO 22N87W TO
21N87W TO 21N85W...INCLUDING IN YUCATAN CHANNEL...NE WINDS 20 TO
25 KT. SEAS 2.5 TO 3.0 M.
.48 HOUR FORECAST WITHIN 22N80W TO 23N83W TO 22N87W TO 20N88W
TO 19N85W TO 22N80W...INCLUDING IN YUCATAN CHANNEL...NE WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M.
.GULF OF AMERICA WITHIN 27N95W TO 27N97W TO 26N97W TO 25N96W TO
25N95W TO 26N94W TO 27N95W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M.
.24 HOUR FORECAST WITHIN 27N83W TO 26N92W TO 25N97W TO 23N93W TO
23N88W TO 25N83W TO 27N83W NE WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M.
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.
.48 HOUR FORECAST WITHIN 25N81W TO 26N85W TO 26N91W TO 24N97W TO
21N97W TO 19N94W TO 25N81W...INCLUDING STRAITS OF FLORIDA AND
WITHIN 60 NM OF COAST OF VERACRUZ AND WITHIN 60 NM OF COAST OF
CAMPECHE...NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0 M. WITHIN
28N96W TO 28N97W TO 27N97W TO 26N97W TO 27N96W TO 28N96W SE WINDS
20 TO 25 KT. 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.
$$
