Expires:No;;427660
FZNT01 KWBC 211554
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC THU NOV 21 2024

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 1200 UTC NOV 21. 
24 HOUR FORECAST VALID 1200 UTC NOV 22.
48 HOUR FORECAST VALID 1200 UTC NOV 23.

.WARNINGS.

...GALE WARNING...
.LOW E OF AREA 63N30W 1006 MB MOVING SE 10 KT. N OF A LINE FROM
57N35W TO 57N44W TO 60N52W WINDS 25 TO 40 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW E OF AREA 59N26W 992 MB. FROM 56N TO 61N
BETWEEN 35W AND 40W WINDS 35 TO 45 KT. SEAS 14 TO 23 FT.
ELSEWHERE N OF 55N BETWEEN 35W AND 45W WINDS 25 TO 35 KT. SEAS 8
TO 16 FT.
.48 HOUR FORECAST LOW DISSIPATED. BETWEEN 35W AND A LINE FROM
45N42W TO 57N42W TO 64N37W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. 

...GALE WARNING...
.LOW 48N44W 997 MB MOVING NE 25 KT. FROM 47N TO 53N BETWEEN 35W
AND 64W WINDS 25 TO 40 KT. SEAS 12 TO 24 FT...EXCEPT ACROSS THE
GULF OF SAINT LAWRENCE SEAS 9 TO 18 FT. ELSEWHERE FROM 31N TO 47N
BETWEEN 35W AND 42W WINDS 20 TO 30 KT. SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW E OF AREA. WITHIN 420 NM N AND NW OF A LINE
FROM 50N35W TO 47N50W TO 45N60W WINDS 25 TO 40 KT. SEAS 11 TO 22
FT...EXCEPT ACROSS THE GULF OF SAINT LAWRENCE SEAS 8 TO 15 FT.
.48 HOUR FORECAST CONDITIONS ABSORBED INTO LOW 42N63W DESCRIBED
BELOW.

...GALE WARNING...
.LOW 41N55W 990 MB MOVING NE 25 KT. WITHIN 540 NM S AND 360 NM W
QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 17 FT.
.24 HOUR FORECAST LOW 44N41W 990 MB. FROM 31N TO 44N BETWEEN 35W
AND 50W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW E OF AREA. FROM 31N TO 45N BETWEEN 35W AND
41W WINDS 20 TO 30 KT. SEAS 10 TO 15 FT WITH W TO NW SWELL.

...GALE WARNING...
.LOW 39N73W 995 MB MOVING NW 10 KT. FROM 31N TO 42N W OF 68W
WINDS 25 TO 35 KT. SEAS TO 10 FT.
.24 HOUR FORECAST LOW JUST INLAND NEAR 42N74W 986 MB. W OF A LINE
FROM 31N70W TO 40N66W TO 45N66W WINDS 20 TO 30 KT. SEAS TO 11
FT.
.48 HOUR FORECAST LOW 40N70W 990 MB. WITHIN 300 NM S QUADRANT
WINDS 35 TO 45 KT. SEAS 14 TO 22 FT. ELSEWHERE WITHIN 480 NM S
AND SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.48 HOUR FORECAST NEW LOW 42N63W 979 MB. WITHIN 240 NM S AND SE
QUADRANTS WINDS 35 TO 45 KT. SEAS 10 TO 19 FT. ELSEWHERE FROM 39N
TO 50N BETWEEN 51W AND 69W...AND FROM 31N TO 39N BETWEEN 51W AND
64W WINDS 25 TO 35 KT. SEAS 8 TO 18 FT...HIGHEST S OF THE LOW
CENTER.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 50N
BETWEEN 35W AND 57W.
.24 HOUR FORECAST DENSE OF FOG FROM 55N TO 59N BETWEEN 35W AND
38W AND FROM 42N TO 46N BETWEEN 45W AND 49W.
.48 HOUR FORECAST DENSE FOG FROM 41N TO 50N BETWEEN 58W AND 72W
AND FROM 60N TO 64N W OF 61W.

.LIGHT TO MODERATE FREEZING SPRAY N OF 64N BETWEEN 35W AND THE E
COAST OF GREENLAND.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 60N42W TO 65N35W...AND WITHIN 60 NM OF THE W GREENLAND COAST
FROM 67N TO 61N.
.48 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 60N42W TO 65N35W...AND WITHIN 60 NM OF THE W GREENLAND COAST
FROM 67N TO 60N.

.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 MEXICO

SYNOPSIS VALID 1200 UTC THU NOV 21.
24 HOUR FORECAST VALID 1200 UTC FRI NOV 22.
48 HOUR FORECAST VALID 1200 UTC SAT NOV 23.

.WARNINGS.

.NONE.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 31N75W TO 26N79W TO 23N80W. WITHIN 31N75W 
TO 31N80W TO 28N81W TO 23N80W TO 28N77W TO 31N75W NW TO N WINDS 
20 TO 25 KT. SEAS 8 FT. WITHIN 31N68W TO 31N75W TO 28N76W TO 
29N72W TO 31N68W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. 
.24 HOUR FORECAST COLD FRONT FROM 31N69W TO 27N73W TO 21N79W.
WITHIN 31N72W TO 31N75W TO 31N81W TO 26N80W TO 28N74W TO 31N72W 
W TO NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. WITHIN 31N62W TO 
31N69W TO 29N68W TO 26N71W TO 27N66W TO 31N62W SW WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT. 
.48 HOUR FORECAST COLD FRONT FRONT FROM 31N62W TO 24N69W THEN
STATIONARY FRONT TO 20N76W. WITHIN 31N62W TO 31N72W TO 31N79W TO 
29N74W TO 29N70W TO 31N62W W WINDS 20 TO 25 KT. SEAS 10 TO 13 FT 
IN NW SWELL. WITHIN 31N58W TO 31N62W TO 29N64W TO 26N67W TO 
29N61W TO 31N58W SW WINDS 20 TO 25 KT. SEAS 8 TO 11 FT. 
ELSEWHERE WITHIN 31N54W TO 31N68W TO 31N79W TO 26N77W TO 27N65W 
TO 28N60W TO 31N54W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN W TO 
NW SWELL.

.ATLC WITHIN 31N38W TO 31N63W TO 27N59W TO 25N51W TO 29N40W TO
31N38W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N35W TO 31N60W TO 28N53W TO 29N43W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N48W TO 27N45W TO 28N38W TO 
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.

.CARIBBEAN COLD FRONT FROM 22N81W TO 16N88W. WITHIN 18N85W TO 
22N85W TO 22N87W TO 18N88W TO 16N88W TO 18N85W...INCLUDING THE 
GULF OF HONDURAS...NW TO N WINDS 20 TO 25 KT. SEAS LESS THAN 8 
FT. YUCATAN CHANNEL N OF 21N WINDS 20 KT OR LESS. SEAS 8 FT IN N 
SWELL.
.24 HOUR FORECAST COLD FRONT FROM 21N79W TO 11N84W. WITHIN 
17N82W TO 17N86W TO 11N84W TO 13N83W TO 17N82W NW TO N WINDS 20 
TO 25 KT. SEAS LESS THAN 8 FT. WITHIN 22N85W TO 22N87W TO 21N86W 
TO 20N86W TO 21N85W TO 22N85W...INCLUDING IN YUCATAN CHANNEL... 
CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NW TO N SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 20N76W TO 11N82W. WITHIN 
15N80W TO 13N84W TO 15N84W TO 11N84W TO 11N82W TO 15N80W N 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 19N95W TO 20N96W TO 19N96W TO 18N94W TO 
19N94W TO 19N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ
...NW TO N WINDS 20 TO 30 KT. SEAS 8 TO 12 FT. WITHIN 29N84W TO 
30N88W TO 28N93W TO 27N88W TO 23N93W TO 28N84W TO 29N84W N WINDS 
20 TO 25 KT. SEAS 8 TO 10 FT. REMAINDER OF AREA WITHIN 29N84W TO 
28N91W TO 24N97W TO 19N96W TO 19N93W TO 22N86W TO 29N84W WINDS
20 KT OR LESS. SEAS 8 TO 10 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 29N84W TO 30N86W TO 29N88W TO 26N87W TO 
26N84W TO 29N84W NW WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. WITHIN 
26N84W TO 24N89W TO 19N94W TO 22N88W TO 22N86W TO 24N83W TO 
26N84W...INCLUDING THE STRAITS OF FLORIDA...WINDS 20 KT OR LESS. 
SEAS 8 TO 9 FT IN NW TO N SWELL.
.42 HOUR FORECAST WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.REMAINDER OF AREA WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.


.FORECASTER AGUIRRE. NATIONAL HURRICANE CENTER.

$$