FZNT01 KWBC 111018
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1030 UTC MON SEP 11 2023

CCODE/2:31:04:11:00/AOE+AOW/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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0600 UTC SEP 11. 
24 HOUR FORECAST VALID 0600 UTC SEP 12.
48 HOUR FORECAST VALID 0600 UTC SEP 13.

.WARNINGS.

...GALE WARNING...
.48 HOUR FORECAST COMPLEX LOW WITH MAIN CENTER W OF AREA NEAR
67N73W 992 MB. N OF 61N W OF 52W WINDS 25 TO 35 KT. SEAS TO 11
FT.

.SYNOPSIS AND FORECAST.

.COMPLEX LOW WITH MAIN CENTER 49N35W 1014 MB MOVING NE 10 KT AND
SECOND CENTER 41N35W 1015 MB DRIFTING SE. FROM 39N TO 53N E OF
42W WINDS TO 25 KT. SEAS TO 8 FT.
.24 HOUR FORECAST COMPLEX LOW AND ASSOCIATED CONDITIONS E OF
AREA.
 
.COMPLEX LOW WITH MAIN CENTER 51N47W 1016 MB MOVING SE 05 KT AND
SECOND CENTER 48N50W 1018 MB MOVING E 05 KT. WITHIN 90 NM OF MAIN
CENTER WINDS LESS THAN 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST COMBINED LOW 50N42W 1016 MB. WITHIN 180 NM W
SEMICIRCLE WINDS TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST LOW 47N39W 1018 MB. FROM 47N TO 50N BETWEEN 38W
AND 46W WINDS TO 25 KT. SEAS TO 8 FT.
 
.LOW INLAND NEAR 60N44W 1015 MB MOVING NE 05 KT. WITHIN 240 NM S
QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST LOW 61N39W 1009 MB. FROM 57N TO 64N E OF 45W
WINDS 20 TO 30 KT. SEAS TO 10 FT.
.48 HOUR FORECAST COMPLEX LOW E OF AREA WITH MAIN CENTER NEAR
62N31W 1007 MB. FROM 55N TO 62N E OF 44W WINDS 20 TO 30 KT. SEAS
TO 9 FT.
 
.EXCEPT WHERE DESCRIBED IN PART II BELOW WITH HURRICANE
LEE...FROM 31N TO 34N BETWEEN 55W AND 71W WINDS 20 TO 33 KT. SEAS
TO 9 FT.
.24 HOUR FORECAST EXCEPT WHERE DESCRIBED IN PART II BELOW WITH
HURRICANE LEE...FROM 31N TO 39N BETWEEN 58W AND 73W WINDS 20 TO
33 KT. SEAS TO 11 FT.
.48 HOUR FORECAST EXCEPT WHERE DESCRIBED IN PART II BELOW...FROM
31N TO 38N BETWEEN 56W AND 79W WINDS 20 TO 33 KT. SEAS TO 12 FT.
 
.24 HOUR FORECAST EXCEPT WHERE DESCRIBED IN PART II BELOW WITH
HURRICANE MARGOT...FROM 31N TO 34N E OF 50W WINDS 20 TO 33 KT.
SEAS TO 12 FT.
.48 HOUR FORECAST EXCEPT WHERE DESCRIBED IN PART II BELOW WITH
HURRICANE MARGOT...FROM 31N TO 39N E OF 53W WINDS 20 TO 33 KT.
SEAS TO 12 FT.
 
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM WITHIN 240 NM NW OF
A LINE FROM 41N68W TO 44N58W TO 46N44W.
.24 HOUR FORECAST DENSE FOG FROM 41N TO 49N BETWEEN 54W AND
69W...AND N OF 65N W OF 58W.
.48 HOUR FORECAST DENSE FOG FROM 43N TO 46N BETWEEN 47W AND 52W.

.FORECASTER FOLMER. 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 0600 UTC MON SEP 11.
24 HOUR FORECAST VALID 0600 UTC TUE SEP 12.
48 HOUR FORECAST VALID 0600 UTC WED SEP 13.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 23.1N 62.6W 950 MB AT 0900 UTC SEP 11 MOVING
NW OR 310 DEG AT 6 KT. MAXIMUM SUSTAINED WINDS 105 KT GUSTS 130
KT. TROPICAL STORM FORCE WINDS WITHIN 150 NM NW AND SE
QUADRANTS...160 NM NE QUADRANT AND 110 NM SW QUADRANT.  SEAS 12
FT OR GREATER WITHIN 240 NM S SEMICIRCLE...270 NM NE QUADRANT
AND 300 NM NW QUADRANT WITH SEAS TO 48 FT. ELSEWHERE WITHIN
24N58W 
TO 27N61W TO 28N63W TO 25N67W TO 22N66W TO 19N61W TO 24N58W WINDS
20 TO 33 KT. SEAS 11 TO 20 FT IN SE SWELL. REMAINDER OF AREA
WITHIN
29N57W TO 28N69W TO 23N71W TO 19N68W TO 18N60W TO 21N57W TO 
29N57W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 
20 KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LEE NEAR 24.0N 64.8W. MAXIMUM 
SUSTAINED WINDS 115 KT GUSTS 140 KT. TROPICAL STORM FORCE WINDS 
WITHIN 150 NM NW AND SE QUADRANTS...160 NM NE QUADRANT AND 120 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 360 NM NW AND 210 NM 
SE SEMICIRCLES WITH SEAS TO 50 FT. ELSEWHERE WITHIN 27N61W TO 
29N63W TO 26N70W TO 22N68W TO 20N64W TO 21N61W TO 27N61W WINDS 20
TO 33 KT. SEAS 12 TO 22 FT IN SE SWELL. REMAINDER OF AREA WITHIN
31N59W TO 28N68W TO 31N71W TO 23N74W TO 19N68W TO 19N61W TO 
31N59W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 
KT OR LESS. SEAS 8 TO 13 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE NEAR 25.1N 66.7W. MAXIMUM 
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 170 NM E SEMICIRCLE...140 NM SW QUADRANT AND 160 NM NW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 420 NM NW AND 360 NM SE 
SEMICIRCLES WITH SEAS TO 50 FT. ELSEWHERE WITHIN 26N61W TO 30N64W
TO 27N72W TO 24N72W TO 20N67W TO 20N64W TO 26N61W WINDS 20 TO 33
KT. SEAS 14 TO 24 FT IN SE TO S SWELL. REMAINDER OF AREA WITHIN 
31N58W TO 29N70W TO 31N75W TO 26N77W TO 18N68W TO 19N62W TO 
31N58W...INCLUDING IN ATLANTIC EXPOSURES AND PASSAGES...WINDS 20 
KT OR LESS. SEAS 8 TO 16 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LEE NEAR 27.6N 67.6W. MAXIMUM 
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 31.8N 67.6W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
.120 HOUR FORECAST HURRICANE LEE NEAR 37.5N 67.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.


...HURRICANE WARNING...
.TROPICAL STORM MARGOT NEAR 25.3N 40.0W 996 MB AT 0900 UTC SEP
11 MOVING N OR 360 DEG AT 7 KT. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 65 KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...80 NM NE QUADRANT AND 20 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 165 NM E SEMICIRCLE...120 NM SW QUADRANT AND
150 NM NW QUADRANT WITH SEAS TO 21 FT. ELSEWHERE WITHIN 27N35W TO
29N40W TO 27N43W TO 24N41W TO 23N38W TO 24N36W TO 27N35W WINDS 
20 TO 33 KT. SEAS 9 TO 14 FT IN SE SWELL. REMAINDER OF AREA 
WITHIN 27N35W TO 29N40W TO 27N45W TO 23N45W TO 22N42W TO 23N35W 
TO 27N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE MARGOT NEAR 28.6N 39.8W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NW AND SE QUADRANTS...140 NM NE QUADRANT AND 80 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 120 NM N AND 60 NM S 
SEMICIRCLES WITH SEAS TO 28 FT. ELSEWHERE WITHIN 31N35W TO 30N41W
TO 31N43W TO 27N43W TO 25N40W TO 27N35W TO 31N35W WINDS 20 TO 33
KT. SEAS 10 TO 16 FT IN SE TO S SWELL. REMAINDER OF AREA WITHIN 
27N35W TO 31N43W TO 28N46W TO 26N44W TO 24N41W TO 24N36W TO 
27N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE MARGOT NEAR 32.7N 40.8W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT. TROPICAL STORM FORCE WINDS 
WITHIN 130 NM NW AND SE QUADRANTS...150 NM NE QUADRANT AND 100 NM
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 270 NM NE...270 NM 
NE...180 NM SW...AND 220 NM NW QUADRANTS WITH SEAS TO 34 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 31N35W TO 31N44W TO 29N41W 
TO 29N39W TO 30N37W TO 31N35W WINDS 20 TO 33 KT. SEAS 11 TO 18 FT
IN NW TO W SWELL. REMAINDER OF AREA WITHIN 31N35W TO 30N41W TO 
31N44W TO 30N51W TO 27N41W TO 27N35W TO 31N35W WINDS 20 KT OR 
LESS. SEAS 8 TO 13 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE MARGOT NEAR 35.0N 42.0W. MAXIMUM 
SUSTAINED WINDS 75 KT GUSTS 90 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE MARGOT NEAR 36.7N 41.0W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.120 HOUR FORECAST TROPICAL STORM MARGOT NEAR 37.1N 40.9W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 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.

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


.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.

$$