FZNT01 KWBC 151612
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
1630 UTC FRI SEP 15 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

FROM OCTOBER 15 TO APRIL 1, DUE TO THE CLIMATOLOGY OF THE NORTH 
ATLANTIC AND THE FREQUENCY AND VOLUME OF WEATHER HAZARDS, ALONG 
WITH CUSTOMER FEEDBACK, HIGH SEAS FORECASTS N OF 31N WILL BE
LIMITED 
TO WINDS OF 25 TO 35 KNOTS AND HIGHER, AND SEAS OF 12 FEET OR 
GREATER, ALONG WITH FREEZING SPRAY, DENSE FOG, AND VOLCANIC ASH.

LESSER CONDITIONS WILL BE INCLUDED FOR WARNING CONDITIONS AND TO

PRESERVE CONTINUITY WHERE APPROPRIATE. SEND FEEDBACK VIA 
HTTPS://OCEAN.WEATHER.GOV/CONTACT/INDEX.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 15. 
24 HOUR FORECAST VALID 1200 UTC SEP 16.
48 HOUR FORECAST VALID 1200 UTC SEP 17.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE LEE NEAR 36.0N 66.9W 962 MB AT 1500 UTC SEP 15 MOVING
NNE OR 015 DEG AT 16 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85
KT. TROPICAL STORM FORCE WINDS WITHIN 280 NM E SEMICIRCLE...200
NM SW QUADRANT AND 220 NM NW QUADRANT.	SEAS 12 FT OR GREATER
WITHIN 440 NM NE QUADRANT...480 NM SE QUADRANT...500 NM SW
QUADRANT...AND 410 NM NW QUADRANT WITH SEAS TO 45 FT. ELSEWHERE
FROM 31N TO 45N BETWEEN 50W AND 81W WINDS 20 TO 33 KT. SEAS TO 12
FT.
.24 HOUR FORECAST HURRICANE LEE NEAR 41.8N 66.2W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT. TROPICAL STORM FORCE WINDS
WITHIN 270 NM NE QUADRANT...250 NM SE QUADRANT...220 NM SW
QUADRANT...AND 200 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
540 NM E...660 NM S...240 NM W...AND 300 NM N QUADRANTS WITH SEAS
TO 41 FT. ELSEWHERE FROM 31N TO 48N BETWEEN 50W AND 81W WINDS 20
TO 33 KT. SEAS TO 12 FT.
.36 HOUR FORECAST POST-TROPICAL EXTRATROPICAL LEE NEAR 45.1N
65.7W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT.
.48 HOUR FORECAST POST-TROPICAL EXTRATROPICAL LEE NEAR 47.8N
62.8W. MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT. TROPICAL STORM
FORCE WINDS WITHIN 140 NM NE QUADRANT...200 NM SE QUADRANT...100
NM SW QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 180 NM E AND 540 NM SE QUADRANTS WITH SEAS TO 17 FT.
ELSEWHERE...EXCEPT WHERE DESCRIBED WITH TROPICAL STORM
MARGOT...FROM 31N TO 54N BETWEEN 46W AND 68W WINDS 20 TO 33 KT.
SEAS TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL LEE NEAR 53.4N
51.3W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. EXTENDED
OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST...DISSIPATED.

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

...TROPICAL STORM WARNING...
.TROPICAL STORM MARGOT NEAR 36.3N 38.2W 990 MB AT 1500 UTC SEP 15
MOVING SE OR 135 DEG AT 4 KT. MAXIMUM SUSTAINED WINDS 55 KT GUSTS
65 KT. TROPICAL STORM FORCE WINDS WITHIN 260 NM NE QUADRANT...140
NM SE QUADRANT...100 NM SW QUADRANT...AND 240 NM NW QUADRANT. 
SEAS 12 FT OR GREATER WITHIN 400 NM N SEMICIRCLE...260 NM SE
QUADRANT AND 280 NM SW QUADRANT WITH SEAS TO 22 FT. ELSEWHERE
FROM 31N TO 47N BETWEEN 35W AND 50W WINDS 20 TO 33 KT. SEAS TO 12
FT.
.24 HOUR FORECAST TROPICAL STORM MARGOT NEAR 35.1N 39.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 KT. TROPICAL STORM FORCE WINDS
WITHIN 180 NM NE QUADRANT...140 NM SE QUADRANT...120 NM SW
QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN
330 NM NE...240 NM SE...240 NM SW...AND 360 NM NW QUADRANTS WITH
SEAS TO 26 FT. ELSEWHERE FROM
31N TO 44N BETWEEN 35W AND 50W WINDS 20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM MARGOT NEAR 34.8N 42.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS
WITHIN 120 NM N SEMICIRCLE...100 NM SE QUADRANT AND 60 NM SW
QUADRANT. SEAS 12 FT OR GREATER WITHIN 240 NM NE...150 NM
SE...240 NM SW...AND 420 NM NW QUADRANTS WITH SEAS TO 19 FT.
ELSEWHERE FROM 31N TO 44N BETWEEN 35W AND 51W WINDS 20 TO 33 KT.
SEAS TO 12 FT.
.72 HOUR FORECAST TROPICAL STORM MARGOT NEAR 37.0N 42.6W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR
GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM MARGOT NEAR 39.5N 38.0W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST POST-TROPICAL EXTRATROPICAL MARGOT NEAR 39.6N
32.0W. MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.

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

...STORM WARNING...
.COMPLEX LOW WITH MEAN CENTER 57N55W 998 MB MOVING NE 30 KT.
WITHIN 600 NM E AND NE QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 12
FT. ELSEWHERE FROM 48N TO 62N BETWEEN 62W AND A LINE FROM 62N35W
TO 55N35W TO 48N47W WINDS 20 TO 30 KT. SEAS TO 9 FT.
.18 HOUR FORECAST LOW 63N37W 985 MB. WITHIN 240 NM NW SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 10 TO 19 FT.
.24 HOUR FORECAST LOW 63N35W 979 MB. WITHIN 120 NM W AND 180 NM N
QUADRANTS WINDS 45 TO 60 KT. SEAS 18 TO 26 FT. ELSEWHERE WITHIN
540 NM S...420 NM W...AND 240 NM NW QUADRANTS WINDS 30 TO 45 KT.
SEAS 12 TO 21 FT. ALSO N OF 48N E OF 40W...N OF A LINE FROM
53N40W TO 57N50W...AND WITHIN 300 NM N OF A LINE FROM 57N50W TO
61N64W WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...HIGHEST SEAS WITHIN
480 NM SW QUADRANT.
.48 HOUR FORECAST LOW E OF AREA NEAR 61N31W 967 MB. WITHIN 360 NM
SW...420 NM W...AND 360 NM NW QUADRANTS WINDS 35 TO 50 KT. SEAS
12 TO 30 FT...HIGHEST N OF 64N. ELSEWHERE WITHIN 540 NM SW
QUADRANT WINDS 25 TO 35 KT. SEAS 8 TO 15 FT.

...GALE WARNING...
.06 HOUR FORECAST...EXCEPT WHERE DESCRIBED WITH HURRICANE
LEE...FROM 38N TO 41N BETWEEN 70W AND 73W WINDS 25 TO 35 KT. SEAS
15 TO 19 FT. 
.24 HOUR FORECAST CONDITIONS ABSORBED BY HURRICANE LEE.

.SYNOPSIS AND FORECAST.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 44N TO 65N
BETWEEN 49W AND 61W....FROM 57N TO 61N BETWEEN 42W AND 49W...AND
N OF 65N W OF 57W.
.24 HOUR FORECAST DENSE FOG N OF 62N E OF GREENLAND...N OF 64N
BETWEEN 54W AND 60W...AND FROM 45N TO 50N BETWEEN 45W AND 61W.
.48 HOUR FORECAST DENSE FOG FROM 46N TO 54N BETWEEN 47W AND 57W.

.FORECASTER EHRBAR. 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 FRI SEP 15.
24 HOUR FORECAST VALID 1200 UTC SAT SEP 16.
48 HOUR FORECAST VALID 1200 UTC SUN SEP 17.

.WARNINGS.

...ATLC TROPICAL STORM WARNING...
.TROPICAL DEPRESSION FIFTEEN NEAR 14.4N 43.8W 1007 MB AT 1500
UTC SEP 15 MOVING NW OR 320 DEG AT 10 KT. MAXIMUM SUSTAINED
WINDS 30 KT GUSTS 40 KT. WITHIN 19N39W TO 20N41W TO 19N45W TO
15N46W TO 13N45W TO 13N42W TO 19N39W WINDS 20 TO 30 KT. SEAS 8 TO
10 FT.
.12 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 15.5N 44.7W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 90 NM NE QUADRANT...40 NM SE QUADRANT...0 NM NE 
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
30 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE WITH SEAS TO 13 FT. 
ELSEWHERE WITHIN 21N39W TO 21N45W TO 20N47W TO 16N47W TO 15N41W 
TO 18N38W TO 21N39W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 17.2N 46.0W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. LITTLE CHANGE IN 
TROPICAL STORM FORCE WINDS RADII. SEAS 12 FT OR GREATER WITHIN 
60 NM N SEMICIRCLE WITH SEAS TO 15 FT. ELSEWHERE WITHIN 21N42W 
TO 22N44W TO 22N47W TO 18N49W TO 16N46W TO 19N42W TO 21N42W WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 24N42W TO
24N50W TO 17N49W TO 15N42W TO 20N39W TO 24N42W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST TROPICAL STORM FIFTEEN NEAR 20.5N 49.6W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 110 NM NE QUADRANT...80 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM N SEMICIRCLE AND 90 NM S SEMICIRCLE WITH SEAS TO 21 FT. 
ELSEWHERE WITHIN 24N45W TO 26N48W TO 25N52W TO 22N53W TO 18N49W 
TO 19N45W TO 24N45W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER
OF AREA WITHIN 26N41W TO 26N45W TO 25N54W TO 17N53W TO 16N49W TO
19N42W TO 26N41W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED 
SWELL.
.60 HOUR FORECAST HURRICANE FIFTEEN NEAR 22.0N 51.2W. MAXIMUM 
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.72 HOUR FORECAST HURRICANE FIFTEEN NEAR 23.4N 52.9W. MAXIMUM 
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE FIFTEEN NEAR 26.0N 56.8W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT.
.120 HOUR FORECAST HURRICANE FIFTEEN NEAR 29.0N 60.0W. MAXIMUM 
SUSTAINED WINDS 100 KT GUSTS 120 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.

.ATLC TROPICAL STORM MARGOT WELL N OF AREA. WITHIN 31N39W TO 
31N48.5W TO 30.5N46.5W TO 30.5N43.5W TO 30.5N42.5W TO 31N39W 
WINDS 20 KT OR LESS. SEAS 8 FT IN N TO NE SWELL.
.24 HOUR FORECAST CONDITIONS MERGED.

.ATLC HURRICANE LEE WELL N OF AREA. WITHIN 31N60W TO 31N73W TO 
30N68W TO 30N63W TO 31N60W SW TO W WINDS 20 TO 25 KT. SEAS 12 TO
20 FT IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF 70W. ELSEWHERE

WITHIN 31N51W TO 30N63W TO 31N81W TO 24N74W TO 22N57W TO 25N50W 
TO 31N51W...INCLUDING ATLANTIC EXPOSURES...WINDS 20 KT OR LESS. 
SEAS 8 TO 12 FT IN NW TO N SWELL...EXCEPT N TO NE SWELL W OF 70W.
.24 HOUR FORECAST WITHIN 29N35W TO 31N80W TO 25N75W TO 23N64W TO
27N53W TO 29N35W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT IN NW TO N
SWELL...EXCEPT N TO NE SWELL W OF 68W.
.48 HOUR FORECAST WITHIN 31N36W TO 31N74W TO 27N77W TO 22N65W TO
27N59W TO 25N39W TO 31N36W WINDS 20 KT OR LESS. SEAS 8 TO 12 FT 
IN MIXED NE AND NW SWELL.

.CARIBBEAN 30 HOUR FORECAST WITHIN 13N69W TO 13N73W TO 12N74W TO
11N73W TO 10N72W TO 11N69W TO 13N69W...INCLUDING THE GULF OF
VENEZUELA...NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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


.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.

$$