826
FZNT01 KWBC 212158
HSFAT1

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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

.WARNINGS.

...STORM WARNING...
.36 HOUR FORECAST NEW LOW 38N65W 988 MB. FROM 34N TO 39N BETWEEN
63W AND 67W WINDS 35 TO 45 KT. SEAS 10 TO 18 FT.
.48 HOUR FORECAST LOW 45N62W 975 MB. WITHIN 120 NM S SEMICIRCLE
AND BETWEEN 120 NM AND 240 NM NE QUADRANT WINDS 35 TO 50 KT. SEAS
12 TO 24 FT. ELSEWHERE FROM 41N TO 50N BETWEEN 48W AND 66W WINDS
25 TO 40 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.LOW 40N71W 989 MB MOVING NW 10 KT. FROM 31N TO 41N BETWEEN 65W
AND 76W WINDS 25 TO 40 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW INLAND NEAR 42N75W 988 MB. W OF A LINE FROM
31N60W TO 36N60W TO 41N70W WINDS 20 TO 30 KT. SEAS 8 TO 14
FT...HIGHEST NEAR 32N75W.
.48 HOUR FORECAST LOW 40N66W 988 MB. WITHIN 360 NM S QUADRANT
WINDS 35 TO 45 KT. SEAS 14 TO 25 FT. ELSEWHERE FROM 31N TO 41N
BETWEEN 52W AND 77W WINDS 25 TO 35 KT. SEAS 8 TO 16 FT.

...GALE WARNING...
.LOW 48N45W 993 MB MOVING SW 10 KT. WITHIN 420 NM N OF A LINE
FROM 47N35W TO THE LOW TO 46N64W 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 40W WINDS 20 TO 30 KT.
SEAS 8 TO 14 FT.
.24 HOUR FORECAST LOW 45N50W 1001 MB. FROM 44N TO 51N BETWEEN 50W
AND 68W WINDS 25 TO 35 KT. SEAS 10 TO 18 FT...EXCEPT ACROSS THE
GULF OF SAINT LAWRENCE SEAS TO 12 FT.
.48 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS
DIMINISHED.

...GALE WARNING...
.LOW E OF AREA 62N28W 1001 MB MOVING SE 15 KT. N OF 60N BETWEEN
35W AND THE E COAST OF GREENLAND...AND WITHIN 180 NM S AND SW OF
A LINE FROM 58N35W TO 59N42W TO 62N51W WINDS 25 TO 40 KT. SEAS 8
TO 15 FT.
.24 HOUR FORECAST LOW WELL E OF AREA. FROM 48N TO 58N BETWEEN 35W
AND 40W WINDS 35 TO 45 KT. SEAS 14 TO 22 FT. ELSEWHERE BETWEEN
35W AND A LINE FROM 46N50W TO 53N50W TO 64N38W WINDS 25 TO 35 KT.
SEAS 8 TO 16 FT.
.48 HOUR FORECAST FROM 43N TO 63N BETWEEN 35W AND 39W WINDS 25 TO
35 KT. SEAS 10 TO 20 FT.

...GALE WARNING...
.LOW 42N52W 989 MB MOVING E 30 KT. FROM 32N TO 42N BETWEEN 42W
AND 59W WINDS 25 TO 40 KT. SEAS 9 TO 18 FT.
.24 HOUR FORECAST LOW 45N36W 989 MB. WITHIN 780 NM S AND SW
QUADRANTS WINDS 25 TO 35 KT. SEAS 9 TO 18 FT.
.48 HOUR FORECAST LOW E OF AREA. FROM 31N TO 40N BETWEEN 35W AND
38W WINDS 20 TO 30 KT. SEAS 10 TO 15 FT WITH W TO NW SWELL.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 50N
BETWEEN 42W AND 58W.
.24 HOUR FORECAST CONDITIONS IMPROVED.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 50N W OF 61W AND WITHIN
120 NM EITHER SIDE OF A LINE FROM 48N58W TO 43N50W.

.LIGHT TO MODERATE FREEZING SPRAY N OF A LINE FROM 63N39W TO
65N35W.
.24 HOUR FORECAST LIGHT TO MODERATE FREEZING SPRAY N OF A LINE
FROM 61N41W 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 60N43W 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 1800 UTC THU NOV 21.
24 HOUR FORECAST VALID 1800 UTC FRI NOV 22.
48 HOUR FORECAST VALID 1800 UTC SAT NOV 23.

.WARNINGS.

...ATLC GALE WARNING...
.COLD FRONT FROM 31N70W TO 27N76W TO 22N80W. WITHIN 31N70W TO
31N80W TO 28N81W TO 23N80W TO 28N77W TO 31N75W NW TO N WINDS 20
TO 25 KT. SEAS 8 FT. WITHIN 31N65W TO 31N70W TO 29N71W TO 28N72W
TO 30N68W TO 31N65W SW WINDS 20 TO 25 KT. SEAS TO 8 FT. SECOND
COLD FRONT WELL NW OF AREA.
.24 HOUR FORECAST COLD FRONT FROM 31N67W TO 26N71W TO 21N77W.
SECOND COLD FRONT FROM 31N74W TO 28N80W. WITHIN 31N72W TO 31N75W
TO 31N81W TO 26N80W TO 28N74W TO 31N72W W TO NW WINDS 20 TO 25
KT...EXCEPT 25 TO 35 KT N OF 29N BETWEEN 74W AND 77W. SEAS 8 TO
12 FT...EXCEPT 9 TO 14 FT N OF 29N BETWEEN 74W AND 77W. WITHIN
31N61W TO 31N67W TO 29N68W TO 26N70W TO 27N64W TO 31N62W SW
WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.36 HOUR FORECAST COLD FRONT FROM 31N65W TO 25N69W TO 20N74W.
SECOND COLD FRONT FROM 31N69W TO 25N80W. SECOND COLD FRONT TO
MERGE WITH FIRST FRONT BY 48 HOURS. WITHIN 31N65W TO 31N70W TO
31N79W TO 28N73W TO 29N66W TO 31N65W W TO NW WINDS 20 TO 25 KT.
SEAS 8 TO 12 FT...EXCEPT 11 TO 14 FT IN NW SWELL N OF 28N
BETWEEN 67W AND 74W. ELSEWHERE WITHIN 31N58W TO 31N65W TO 29N64W
TO 27N66W TO 28N61W TO 31N58W SW WINDS 20 TO 25 KT. SEAS 8 TO 11
FT. ELSEWHERE WITHIN 31N56W TO 31N68W TO 31N79W TO 27N78W TO
26N76W TO 27N66W TO 31N56W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN NW TO N SWELL.
.48 HOUR FORECAST MERGED COLD FRONT FRONT FROM 31N59W TO 24N68W
THEN STATIONARY FRONT TO 20N73W. WITHIN 31N59W TO 31N75W TO
29N71W TO 29N67W TO 31N59W W WINDS 20 TO 25 KT. SEAS 10 TO 12
FT. ELSEHWHERE WITHIN 31N53W TO 31N65W TO 31N76W TO 28N74W TO
25N71W TO 27N63W TO 31N53W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT
IN NW TO N SWELL.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N38W TO 31N62W TO 27N59W TO 25N51W TO 29N40W TO
31N38W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.24 HOUR FORECAST WITHIN 31N37W TO 31N56W TO 28N51W TO 29N43W TO
31N37W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW SWELL.
.48 HOUR FORECAST WITHIN 31N35W TO 31N44W TO 28N42W TO 28N37W TO
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NW
SWELL...HIGHEST NE.

.CARIBBEAN COLD FRONT FROM 22N80W TO 16N87W. WITHIN 18N85W TO
21N86W 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 21N77W TO 11N83W. WITHIN
17N81W TO 17N86W TO 11N84W TO 13N82W TO 17N81W 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 TO 8 FT IN NW TO N SWELL.
.48 HOUR FORECAST STATIONARY FRONT FROM 20N76W TO 11N82W. WITHIN
16N80W TO 13N84W TO 15N84W TO 11N84W TO 11N82W TO 16N80W N WINDS
20 TO 25 KT. SEAS LESS THAN 8 FT.

.GULF OF MEXICO WITHIN 29N84W TO 30N88W TO 28N93W TO 27N88W TO
23N93W TO 28N84W TO 29N84W N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
REMAINDER OF AREA WITHIN 28N84W TO 27N88W TO 26N91W TO 22N94W TO
19N86W TO 18N94W TO 22N86W TO 28N84W WINDS 20 KT OR LESS. SEAS
TO 8 FT IN N SWELL.
.24 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.

$$