FZNT01 KWBC 272226
HSFAT1
HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC NOV 27.
24 HOUR FORECAST VALID 1800 UTC NOV 28.
48 HOUR FORECAST VALID 1800 UTC NOV 29.
.WARNINGS.
...STORM WARNING...
.INLAND LOW 48N61W 997 MB MOVING NE 15 KT. FRONT EXTENDS FROM
LOW TO 45N60W TO 40N63W TO 31N74W. WITHIN 240 NM N SEMICIRCLE
INCLUDING WITHIN THE GULF OF SAINT LAWRENCE...AND WITHIN 300 NM
E OF FRONT FROM 38N TO 43N WINDS 25 TO 35 KT. SEAS 2.5 TO 5
M...HIGHEST NEAR 42N55W. ELSEWHERE FROM 39N TO 52N W OF 53W AND
WITHIN 360 NM E OF FRONT WINDS 20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW 54N58W 996 MB. WITHIN 240 NM N AND NE OF A
LINE FROM LOW TO 49N39W WINDS 20 MTO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 57N50W 976 MB. WITHIN 180 NM NW SEMICIRCLE
WINDS 35 TO 50 KT. SEAS 4 TO 6.5 M. ELSEWHERE FROM 39N TO 61N
BETWEEN 47W AND 65W WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5
M...EXCEPT TO 3 M WITHIN THE GULF OF SAINT LAWRENCE.
...STORM WARNING...
.12 HOUR FORECAST NEW COMPLEX LOW WITH MEAN CENTER 38N65W 1005
MB. WITHIN 360 NM SE SEMICIRCLE WINDS 25 TO 35 KT. SEAS 2.5 TO
4.5 M.
.24 HOUR FORECAST COMPLEX LOW WITH MEAN CENTER 44N56W 1000 MB.
FRONT TO EXTEND FROM 47N51W TO LOW CENTER TO 31N65W. WITHIN 300
NM E OF FRONT FROM 35N TO 45N WINDS 30 TO 45 KT. SEAS 3 TO 6 M.
ELSEWHERE WITHIN 180 NM NE QUADRANT...WITHIN 480 NM E OF FRONT N
OF 32N AND FROM 39N TO 45N BETWEEN 35W AND 45W WINDS 20 TO 30
KT. SEAS 2.5 TO 4 M.
.48 HOUR FORECAST COMBINED LOW 58N39W 973 MB. FRONT TO EXTEND
FROM 48N35W TO 31N57W. FROM 55N TO 61N BETWEEN 35W AND 45W WINDS
35 TO 50 KT. SEAS 3 TO 7 M...HIGHEST NEAR 59N44W. ALSO FROM 48N
TO 62N BETWEEN 35W AND 47W AND WITHIN 180 NM E OF FRONT N OF 38N
WINDS 25 TO 40 KT. SEAS 3 TO 6 M...HIGHEST NEAR 50N42W.
ELSEWHERE FROM FROM 44N TO 64N E OF 47W AND WITHIN 300 NM E OF
FRONT N OF 34N WINDS 20 TO 30 KT. SEAS 2.5 TO 4.5 M.
...GALE WARNING...
.LOW 47N44W 1010 MB MOVING E 45 KT. WITHIN 360 NM S AND SE
QUADRANTS WINDS 25 TO 40 KT. SEAS 2.5 TO 4.5 M.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS WELL E OF AREA.
...GALE WARNING...
.COMPLEX LOW WITH MAIN LOW 63N56W 998 MB MOVING NE 10 KT. WITHIN
240 NM S QUADRANT WINDS 25 TO 35 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW DISSIPATED WITH CONDITIONS DIMINISHED.
...GALE WARNING...
.12 HOUR FORECAST W OF A LINE FROM 45N64W TO 39N67W TO 31N71W
AREA OF W TO NW WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST INLAND LOW 50N69W 996 MB. FROM 35N TO 42N
BETWEEN 63W AND 74W AREA OF W WINDS 30 TO 40 KT. SEAS 2.5 TO 4
M...HIGHEST NEAR 39N68W.
.48 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS ABSORBED BY LOW
57N50W DESCRIBED IN FIRST STORM WARNING ABOVE.
...HEAVY FREEZING SPRAY WARNING...
.MODERATE TO HEAVY FREEZING SPRAY W OF A LINE FROM 61N63W TO
67N59W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY WITHIN 60 NM
OF LABRADOR COAST FROM 54N TO 59N...W OF A LINE FROM 59N60W TO
67N58W...WITHIN 60 NM OF W GREENLAND COAST N OF 64N...WITHIN 60
NM E OF GREENLAND FROM 61N TO 64N...AND N OF 64N E OF GREENLAND.
.24 HOUR FORECAST MODERATE TO HEAVY FREEZING SPRAY N OF 62N W OF
60W. ELSEWHERE LIGHT TO MODERATE FREEZING SPRAY N AND W OF A
LINE FROM 559N63W TO 63N55W...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 N OF 65N W OF
60W. ELSEWHERE LIGHT TO MODERATE FREEZING W AND N OF A LINE FROM
56N60W TO 62N60W TO 64N51W...WITHIN 60 NM E OF THE GREENLAND
COAST FROM 61N TO 65N...AND N OF 65N E OF GREENLAND.
.SYNOPSIS AND FORECAST.
.LOW E OF AREA NEAR 59N15W 957 MB MOVING NE 25 KT. BETWEEN 35W
AND A LINE FROM 65N35W TO 53N48W TO 48N37W WINDS 20 TO 30 KT.
SEAS 2.5 TO 4.5 M...HIGHEST NEAR 52N35W.
.24 HOUR FORECAST LOW WELL E OF AREA. CONDITIONS DIMINISHED.
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 47N
BETWEEN 48W AND 60W...WITHIN THE GULF OF SAINT LAWRENCE N OF 48N
W OF 62W...AND N OF 64N BETWEEN GHREENLAND AND 60W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 48N BETWEEN 42W AND
53W...FROM 54N TO 56N W OF 50W...AND N OF 65N BETWEEN GREENLAND
AND 55W.
.48 HOUR FORECAST DENSE FOG WITHIN AN AREA BOUNDED BY A LINE
FROM 61N43W TO 60N35W TO 58N35W TO 54N57W TO 56N59W TO 60N53W TO
61N43W...AND WITHIN 90 NM W OF A LINE FROM 56N58W TO 63N60W.
.FORECASTER BANCROFT. OCEAN PREDICTION CENTER.
NATIONAL HURRICANE CENTER MIAMI FL
ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF AMERICA
SYNOPSIS VALID 1800 UTC THU NOV 27.
24 HOUR FORECAST VALID 1800 UTC FRI NOV 28.
48 HOUR FORECAST VALID 1800 UTC SAT NOV 29.
.WARNINGS.
.NONE.
.SYNOPSIS AND FORECAST.
.ATLC WITHIN 31N35W TO 31N47W TO 29N53W TO 25N51W TO 27N40W TO
31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN MIXED N AND NE
SWELL.
.24 HOUR FORECAST WITHIN 31N40W TO 30N44W TO 31N44W TO 25N54W TO
24N52W TO 25N47W TO 31N40W WINDS 20 KT OR LESS. SEAS 2.5 M IN NE
SWELL.
.48 HOUR FORECAST WITHIN 25N38W TO 25N39W TO 26N40W TO 25N41W TO
23N39W TO 23N37W TO 25N38W E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.ELSEWHERE WITHIN 26N35W TO 28N41W TO 27N45W TO
22N41W TO 24N40W TO 22N36W TO 26N35W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE TO E SWELL.
.ATLC WITHIN 20N59W TO 21N61W TO 21N65W TO 20N65W TO 17N61W TO
20N59W...INCLUDING IN ATLANTIC EXPOSURES...WINDS 20 KT OR LESS.
SEAS 2.5 M IN NE TO E SWELL.
.18 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.ATLC 12 HOUR FORECAST WITHIN 31N71W TO 31N72W TO 30N72W TO
30N71W TO 31N71W SW TO W WINDS 20 TO 25 KT. SEAS TO 2.5 M IN NW
SWELL.
.24 HOUR FORECAST WITHIN 31N66.5W TO 31N71W TO 31N72.5W TO
30.5N72.5W TO 31N71W TO 31N66.5W WINDS 20 KT OR LESS. SEAS 2.5 M
IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 29N66W TO 28N73W TO 26N79W TO 25N81W TO
25N77W TO 26N71W TO 29N66W...INCLUDING ATLANTIC EXPOSURES... NE
TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 3.5 M IN NE SWELL...EXCEPT
LESS THAN 2.5 M IN LEE OF BAHAMAS. ELSEWHERE WITHIN 30N65W TO
30N67W TO 27N77W TO 25N76W TO 25N73W TO 26N70W TO
30N65W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN N SWELL.
.CARIBBEAN WITHIN 13N72W TO 14N74W TO 15N74W TO 13N78W TO 12N83W
TO 11N76W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 2.5 TO 4.0 M
IN NE TO E SWELL. ELSEWHERE WITHIN 17N73W TO 17N80W TO 11N83W TO
09N77W TO 13N77W TO 13N71W TO 17N73W...INCLUDING WITHIN 60 NM OF
COAST OF NICARAGUA...WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN E
SWELL.
.24 HOUR FORECAST WITHIN 11.5N78W TO 11.5N78.5W TO 11N78.5W TO
10.5N78.5W TO 10.5N78W TO 11N77.5W TO 11.5N78W NE TO E WINDS 20
TO 25 KT. SEAS 2.5 TO 3.0 M IN NE TO E SWELL. ELSEWHERE WITHIN
14N77W TO 15N80W TO 11N82W TO 10N81W TO 10N78W TO 12N75W TO
14N77W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0 M IN NE TO E SWELL.
.39 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.CARIBBEAN 15 HOUR FORECAST WITHIN 22N85W TO 22N87W TO 21.5N87W
TO 21N86.5W TO 21.5N85W TO 22N85W...INCLUDING IN YUCATAN
CHANNEL...NE WINDS 25 KT. SEAS TO 3.0 M IN W TO NW SWELL.
.24 HOUR FORECAST WITHIN 22N85W TO 22N87W TO 20N87W TO 20N85W TO
22N85W...INCLUDING IN YUCATAN CHANNEL... NE WINDS 20 TO 25 KT.
SEAS 2.5 TO 3.5 M IN NW TO N SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.
.GULF OF AMERICA WITHIN 26N84W TO 28N88W TO 26N92W TO 24N93W TO
24N91W TO 25N86W TO 26N84W N TO NE WINDS 20 TO 25 KT. SEAS TO
2.5 M IN N TO NE SWELL. WITHIN 20N95.5W TO 20N96.5W TO 19N96W TO
19N95.5W TO 19.5N95.5W TO 20N95.5W...INCLUDING WITHIN 60 NM OF
COAST OF VERACRUZ...NW TO N WINDS 20 TO 30 KT. SEAS LESS THAN
2.5 M.
.24 HOUR FORECAST WITHIN 24N83W TO 26N83W TO 24N86W TO 23N90W TO
20N94W TO 20N92W TO 24N83W...INCLUDING STRAITS OF FLORIDA AND
WITHIN 60 NM OF COAST OF CAMPECHE...NE WINDS 20 TO 25 KT. SEAS
2.5 TO 3.5 M IN N TO NE SWELL. WITHIN 24N81W TO 24N80W TO 25N80W
TO 25N81W TO 23N82W TO 23N81W TO 24N81W...INCLUDING STRAITS OF
FLORIDA...N TO NE WINDS 20 TO 25 KT. SEAS TO 2.5 M IN N TO NE
SWELL. ELSEWHERE WITHIN 26N83W TO 27N91W TO 24N97W TO 20N96W TO
23N82W TO 26N83W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN N TO
NE SWELL.
.48 HOUR FORECAST WITHIN 24N83W TO 24N84W TO 24N84.5W TO
23.5N85W TO 23.5N83.5W TO 23.5N82.5W TO 24N83W...INCLUDING
STRAITS OF FLORIDA...WINDS 20 KT OR LESS. SEAS 2.5 M IN NE TO E
SWELL. WITHIN 27.5N96.5W TO 27N97W TO 26.5N97W TO 25.5N97W TO
26N96.5W TO 26.5N96W TO 27.5N96.5W SE TO S WINDS 20 TO 25 KT.
SEAS 2.5 M IN SE SWELL. ELSEWHERE WITHIN 28N95W TO 28N96W TO
27N97W TO 27N96W TO 25N97W TO 26N96W TO 28N95W WINDS 20 KT OR
LESS. SEAS 2.5 M IN MIXED E AND SE SWELL.
.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.
$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.
