FZNT01 KWBC 091546
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC SAT SEP 09 2023

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

SECURITE

NORTH ATLANTIC NORTH OF 31N TO 67N AND WEST OF 35W

ALL FORECASTS VALID OVER ICE FREE FORECAST WATERS

SYNOPSIS VALID 1200 UTC SEP 09. 
24 HOUR FORECAST VALID 1200 UTC SEP 10.
48 HOUR FORECAST VALID 1200 UTC SEP 11.

.WARNINGS.

...GALE WARNING...
.COMPLEX LOW WITH MAIN CENTER 63N38W 1001 MB MOVING SE 10 KT AND
SECOND CENTER 61N40W 1001 MB MOVING E 25 KT. WITHIN 60 NM W
SEMICIRCLE OF MAIN CENTER...AND WITHIN 240 NM S OF A LINE FROM
63N51W TO SECOND CENTER TO 60N35W WINDS 25 TO 40 KT. SEAS 8 TO 17
FT.
.24 HOUR FORECAST COMPLEX LOW AND ASSOCIATED CONDITIONS E OF
AREA.

.SYNOPSIS AND FORECAST.

.LOW 48N44W 1012 MB MOVING E 10 KT. WITHIN 120 NM N OF A LINE
FROM 48N48W TO 51N35W...AND WITHIN 300 NM SE QUADRANT WINDS TO 25
KT. SEAS TO 9 FT.
.24 HOUR FORECAST LOW 48N37W 1015 MB. ASSOCIATED CONDITIONS
DIMINISHED.

.LOW 49N60W 1013 MB MOVING E 10 KT. WITHIN 240 NM NE...120 NM
SE...AND 180 NM NW QUADRANTS WINDS TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST LOW DISSIPATED. ASSOCIATED CONDITIONS
DIMINISHED.

.FROM 63N TO 65N W OF 60W WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST N OF 64N W OF 52W WINDS 20 TO 30 KT. SEAS LESS
THAN 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 50N
BETWEEN 49W AND 40W...AND FROM 42N TO 51N BETWEEN 71W AND 57W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 46N BETWEEN 77W AND
61W...AND FROM 47N TO 52N BETWEEN 59W AND 49W.
.48 HOUR FORECAST DENSE FOG FROM 42N TO 48N BETWEEN 71W AND
58W...AND FROM 46N TO 48N BETWEEN 49W AND 44W.

.FORECASTER BYRD. 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 SAT SEP 9.
24 HOUR FORECAST VALID 1200 UTC SUN SEP 10.
48 HOUR FORECAST VALID 1200 UTC MON SEP 11.

.WARNINGS.

...ATLANTIC HURRICANE WARNING...
.HURRICANE LEE NEAR 20.3N 58.2W 957 MB AT 1500 UTC SEP 09 MOVING
WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 100 KT GUSTS
120 KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NE
QUADRANT...120 NM SE QUADRANT...70 NM SW QUADRANT...AND 100 NM
NW QUADRANT.  SEAS 12 FT OR GREATER WITHIN 240 NM NE
QUADRANT...150 NM SE QUADRANT...210 NM SW QUADRANT...AND 330 NM
NW QUADRANT WITH SEAS TO 41 FT. ELSEWHERE WITHIN 24N56W TO 
24N59W TO 22N60W TO 19N59W TO 17N56W TO 18N54W TO 24N56W WINDS 20
TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN 23N51W TO 
29N56W TO 27N60W TO 21N64W TO 15N61W TO 16N54W TO 23N51W WINDS 20
KT. SEAS 8 TO 12 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LEE NEAR 21.7N 60.6W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM NE QUADRANT...120 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
300 NM N AND 150 NM S SEMICIRCLES WITH SEAS TO 40 FT. ELSEWHERE 
WITHIN 24N57W TO 26N60W TO 25N63W TO 20N63W TO 19N59W TO 21N57W 
TO 24N57W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA
WITHIN 24N55W TO 30N56W TO 30N64W TO 22N69W TO 16N60W TO 18N56W 
TO 24N55W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE NEAR 22.9N 63.1W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM OF CENTER EXCEPT 120 NM SW QUADRANT. SEAS 12 FT OR
GREATER WITHIN 300 NM OF CENTER EXCEPT 180 NM SW QUADRANT WITH 
SEAS TO 44 FT. ELSEWHERE WITHIN 27N60W TO 28N63W TO 26N66W TO 
23N67W TO 20N60W TO 23N58W TO 27N60W WINDS 20 TO 33 KT. SEAS 
DESCRIBED ABOVE. REMAINDER AREA WITHIN 31N58W TO 31N66W TO 24N73W
TO 18N68W TO 17N60W TO 23N56W TO 31N58W WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LEE NEAR 23.6N 65.3W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 24.4N 67.0W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT.
.120 HOUR FORECAST HURRICANE LEE NEAR 26.8N 67.8W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.

...ATLANTIC TROPICAL STORM WARNING...
.TROPICAL STORM MARGOT NEAR 20.5N 38.0W 1004 MB AT 1500 UTC SEP
09 MOVING WNW OR 300 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM S
SEMICIRCLE...40 NM NE QUADRANT AND 20 NM NW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 15 NM S SEMICIRCLE...120 NM NE QUADRANT AND
30 NM NW QUADRANT WITH SEAS TO 15 FT. ELSEWHERE WITHIN 22N35W TO
23N36W TO 23N38W TO 20N39W TO 20N36W TO 21N35W TO 22N35W WINDS 
20 TO 33 KT. SEAS 9 TO 12 FT. REMAINDER AREA WITHIN 24N35W TO 
23N39W TO 20N39W TO 18N37W TO 18N35W TO 24N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST TROPICAL STORM MARGOT NEAR 22.3N 40.3W. 
MAXIMUM SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE 
WINDS WITHIN 80 NM NE QUADRANT...50 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM NE SEMICIRCLE AND 60 NM SW SEMICIRCLE WITH SEAS TO 19 FT. 
ELSEWHERE WITHIN 25N37W TO 26N40W TO 24N42W TO 22N42W TO 21N39W 
TO 22N37W TO 25N37W WINDS 20 TO 33 KT. SEAS DESCRIBED ABOVE. 
REMAINDER AREA WITHIN 25N36W TO 27N41W TO 25N43W TO 21N44W TO 
20N42W TO 21N35W TO 25N36W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM MARGOT NEAR 25.0N 41.4W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM NW AND SE QUADRANTS...110 NM NE QUADRANT AND 
60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 210 NM N AND 75 
NM S SEMICIRCLES WITH SEAS TO 24 FT. ELSEWHERE WITHIN 28N37W TO 
29N43W TO 26N44W TO 25N43W TO 23N39W TO 24N38W TO 28N37W WINDS 
20 TO 33 KT. SEAS DESCRIBED ABOVE. REMAINDER AREA WITHIN 28N36W 
TO 30N39W TO 29N46W TO 26N48W TO 21N47W TO 23N37W TO 28N36W WINDS
20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.60 HOUR FORECAST HURRICANE MARGOT NEAR 26.6N 41.7W. MAXIMUM 
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.72 HOUR FORECAST HURRICANE MARGOT NEAR 28.4N 41.9W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARGOT NEAR 32.0N 42.4W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
.120 HOUR FORECAST HURRICANE MARGOT NEAR 34.3N 43.2W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.

FORECAST WINDS IN AND NEAR ACTIVE TROPICAL CYCLONES SHOULD BE
USED WITH CAUTION DUE TO UNCERTAINTY IN FORECAST TRACK...SIZE
AND INTENSITY.

.SYNOPSIS AND FORECAST.

.CARIBBEAN WITHIN 12N75W TO 13N76W TO 13N77W TO 12N77W TO 11N76W
TO 11N75W TO 12N75W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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


.FORECASTER AL. NATIONAL HURRICANE CENTER.

$$