617
FZNT01 KWBC 212204
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
2230 UTC FRI NOV 21 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 21.
24 HOUR FORECAST VALID 1800 UTC NOV 22.
48 HOUR FORECAST VALID 1800 UTC NOV 23.

.WARNINGS.

...GALE WARNING...
.LOW 62N38W 996 MB MOVING SE 15 KT. WITHIN 120 NM W AND NW
QUADRANTS AND N OF A FRONT FROM THE LOW TO 64N35W WINDS 25 TO 40
KT. SEAS 3.5 TO 5 M. ELSEWHERE N OF 52N BETWEEN 35W AND 52W WINDS
20 TO 30 KT. SEAS TO 4 M.
.24 HOUR FORECAST LOW E OF AREA. WITHIN 240 NM S AND SW OF A LINE
FROM 59N35W TO 61N46W WINDS 25 TO 35 KT. SEAS TO 4 M.
.48 HOUR FORECAST CONDITIONS DIMINISHED.

...GALE WARNING...
.LOW 39N48W 1010 MB MOVING NE 30 KT. WITHIN 240 NM E SEMICIRCLE
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 31N TO 42N
BETWEEN 38W AND 50W AND WITHIN 180 NM S AND SE OF A FRONT FROM
45N35W TO 42N45W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW 47N39W 1002 MB. WITHIN 120 NM OF LOW EXCEPT
360 NM S AND SE QUADRANTS WINDS 25 TO 40 KT. SEAS  2.5 TO 5 M.
ELSEWHERE FROM 34N TO 50N BETWEEN 35W AND 45W WINDS 20 TO 30 KT.
SEAS TO 4 M.
.48 HOUR FORECAST LOW E OF AREA. WITHIN 180 NM S AND SE OF A
FRONT FROM 43N35W TO 36N44W WINDS 20 TO 30 KT. SEAS TO 3 M.

...GALE WARNING...
.LOW 43N61W 1007 MB MOVING NE 20 KT. WITHIN 180 NM NE QUADRANT
WINDS 25 TO 35 KT. SEAS TO 3.5 M. ELSEWHERE FROM 38N TO 46N
BETWEEN 55W AND 64W WINDS 20 TO 30 KT. SEAS TO 3 M.
.24 HOUR FORECAST LOW ABSORBED INTO NEW LOW INLAND NEAR 53N65W
995 MB. FROM 44N TO 56N W OF 50W WINDS 20 TO 30 KT. SEAS TO 3 M.
.48 HOUR FORECAST LOW 57N61W 987 MB. WITHIN 300 NM E AND NE OF A
FRONT FROM 60N65W TO 60N57W TO 55N45W WINDS 25 TO 40 KT. SEAS TO
4 M.

...GALE WARNING...
.24 HOUR FORECAST LOW 41N66W 1007 MB. FROM 35N TO 38N BETWEEN 65W
AND 72W WINDS 25 TO 35 KT. SEAS TO 3 M. ELSEWHERE FROM 31N TO 41N
W OF 64W WINDS 20 TO 30 KT. SEAS TO 2.5 M.
.48 HOUR FORECAST LOW 49N50W 997 MB. WITHIN 240 NM S AND SE
QUADRANTS AND FROM 47N TO 51N W OF 56W WINDS 25 TO 40 KT. SEAS TO
4 M. ELSEWHERE FROM 44N TO 54N W OF 38W AND WITHIN 300 NM E AND
SE OF A FRONT FROM THE LOW TO 40N54W TO 33N73W WINDS 20 TO 30 KT.
SEAS TO 3 M.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM N OF A LINE FROM
50N41W TO 65N35W AND WITHIN 120 NM OF THE W GREENLAND COAST FROM
61N TO 66N.
.24 HOUR FORECAST DENSE FOG W OF A LINE FROM 48N50W TO 60N60W TO
66N62W.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 57N BETWEEN 46W AND 53W
AND WITHIN 180 NM EITHER SIDE OF A LINE FROM 62N66W TO 59N46W.

.AREAS OF LIGHT FREEZING SPRAY N OF 65N W OF 59W.
.24 HOUR FORECAST AREAS OF LIGHT FREEZING SPRAY N OF 65N W OF 60W
AND WITHIN 120 NM OF THE E GREENLAND COAST FROM 61N TO 67N.
.48 HOUR FORECAST AREAS OF LIGHT FREEZING SPRAY N OF 65N W OF
61W...WITHIN 120 NM OF THE E GREENLAND COAST FROM 62N TO
67N...AND WITHIN 120 NM OF THE W GREENLAND COAST FROM 64N TO 67N.

.FORECASTER COLLINS. 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 1800 UTC FRI NOV 21.
24 HOUR FORECAST VALID 1800 UTC SAT NOV 22.
48 HOUR FORECAST VALID 1800 UTC SUN NOV 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N48W TO 30N44W TO 26N41W TO 28N39W TO
25N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.5 M IN NE TO
SE SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N47W TO 28N46W TO 25N43W TO
27N41W TO 24N35W TO 31N35W WINDS 20 KT OR LESS. SEAS 2.5 TO 3.0
M IN NE TO E SWELL.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 2.5 M.

.CARIBBEAN 09 HOUR FORECAST WITHIN 13N74W TO 13N75W TO 12N75W TO
11N75W TO 12N73W TO 13N74W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.24 HOUR FORECAST WITHIN 14N73W TO 14N76W TO 12N76W TO 11N75W TO
13N75W TO 13N74W TO 14N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS
THAN 2.5 M.
.48 HOUR FORECAST WITHIN 12N74.5W TO 12N75.5W TO 11.5N76.5W TO
11N76.5W TO 11N74.5W TO 12N74.5W NE TO E WINDS 20 TO 25 KT. SEAS
2.5 TO 3.0 M. ELSEWHERE WITHIN 12N75W TO 13N76W TO 13N78W TO
12N79W TO 11N79W TO 10N78W TO 12N75W WINDS 20 KT OR LESS. SEAS
2.5 TO 3.0 M IN NE TO E SWELL.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 2.5 M.


.FORECASTER ADAMS. NATIONAL HURRICANE CENTER.

$$