FZNT01 KWBC 070934
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV 
NWS OCEAN PREDICTION CENTER WASHINGTON DC 
1030 UTC THU SEP 07 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 07. 
24 HOUR FORECAST VALID 0600 UTC SEP 08. 
48 HOUR FORECAST VALID 0600 UTC SEP 09. 

.WARNINGS. 

...STORM WARNING... 
.24 HOUR FORECAST NEW LOW 60N42W 996 MB. WITHIN 180 NM N OF A 
LINE FROM 57N36W TO 58N44W TO 60N48W WINDS 35 TO 50 KT. SEAS 12 
TO 21 FT. ELSEWHERE WITHIN 300 NM N OF A LINE FROM 55N35W TO 
56N45W TO 60N52W WINDS 25 TO 35 KT. SEAS 9 TO 15 FT.
.48 HOUR FORECAST LOW 60N42W 1000 MB. WITHIN 240 NM SW 
SEMICIRCLE WINDS 35 TO 45 KT. SEAS 12 TO 18 FT. ELSEWHERE WITHIN 
300 NM N OF A LINE FROM 55N35W TO 57N49W TO 60N53W WINDS 25 TO 
35 KT. SEAS 9 TO 15 FT.

...GALE WARNING... 
.LOW 60N47W 992 MB MOVING NE 25 KT. WITHIN 420 NM SE AND 480 NM 
SW QUADRANTS WINDS 25 TO 35 KT. SEAS 8 TO 13 FT. 
.24 HOUR FORECAST LOW E OF AREA WITH NEW LOW TO FORM NEAR 65N39W 
991 MB. WITHIN 180 NM W SEMICIRCLE WINDS 25 TO 40 KT. SEAS 8 TO 
12 FT. ELSEWHERE N OF 62N E OF 36W WINDS TO 25 KT. SEAS TO 10 FT.
.48 HOUR FORECAST LOW 63N37W 999 MB. WITHIN 240 NM W AND NW 
QUADRANTS WINDS 20 TO 30 KT. SEAS TO 9 FT.

.SYNOPSIS AND FORECAST. 

.LOW 43N62W 998 MB MOVING NE 15 KT. WITHIN 420 NM NE...480 NM 
SE...AND 300 NM SW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 11 FT. 
.24 HOUR FORECAST LOW 47N56W 1007 MB. WITHIN 420 NM E AND 300 NM 
S QUADRANTS WINDS TO 25 KT. SEAS TO 10 FT. 
.48 HOUR FORECAST LOW 50N46W 1012 MB. WITHIN 300 NM N AND NW 
QUADRANTS...AND 360 NM SE QUADRANT WINDS 20 TO 30 KT. SEAS TO 9 
FT.

.LOW 65N53W 995 MB NEARLY STATIONARY. WITHIN 300 NM S...AND 420 
NM W AND NW QUADRANTS WINDS 20 TO 30 KT. SEAS TO 10 FT. 
.24 HOUR FORECAST LOW DISSIPATED AND ASSOCIATED CONDITIONS 
DIMINISHED.

.24 HOUR FORECAST WITHIN 180 NM NW OF A LINE FROM 52N50W TO 
50N56W TO 49N62W WINDS 20 TO 30 KT. SEAS TO 9 FT. 
.48 HOUR FORECAST FROM 49N TO 51N BETWEEN 57W AND 67W WINDS 20 
TO 30 KT. SEAS TO 8 FT.

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 45N TO 56N 
BETWEEN 44W AND 57W... AND N OF 62N BETWEEN 50W AND 57W.
.24 HOUR FORECAST DENSE FOG FROM 45N TO 53N BETWEEN 44W AND 60W.
.48 HOUR FORECAST DENSE FOG FROM 44N TO 53N BETWEEN 40W AND 54W.

.FORECASTER NOLT. OCEAN PREDICTION CENTER.

NATIONAL HURRICANE CENTER MIAMI FL

ATLANTIC FROM 07N TO 31N W OF 35W INCLUDING CARIBBEAN SEA AND
GULF OF MEXICO

SYNOPSIS VALID 0600 UTC THU SEP 7.
24 HOUR FORECAST VALID 0600 UTC FRI SEP  8.
48 HOUR FORECAST VALID 0600 UTC SAT SEP  9.

.WARNINGS.

...ATLC HURRICANE WARNING...
.HURRICANE LEE NEAR 16.1N 48.6W 989 MB AT 0900 UTC SEP 07 MOVING
WNW OR 300 DEG AT 12 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85
KT. TROPICAL STORM FORCE WINDS WITHIN 70 NM NW AND SE
QUADRANTS...80 NM NE QUADRANT AND 50 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 120 NM NW AND SE QUADRANTS...180 NM NE
QUADRANT AND 90 NM SW QUADRANT WITH SEAS TO 30 FT. ELSEWHERE 
WITHIN 
17N46W TO 19N47W TO 18N49W TO 15N50W TO 13N47W TO 15N46W TO 
17N46W 
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA
WITHIN 19N44W TO 20N47W TO 19N50W TO 15N51W TO 13N48W TO 14N43W 
TO
19N44W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE LEE NEAR 17.8N 52.7W. MAXIMUM 
SUSTAINED WINDS 90 KT GUSTS 110 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...100 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 80 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM NW AND SE QUADRANTS...210 NM NE QUADRANT...AND 90 NM SW 
QUADRANT WITH SEAS TO 34 FT. ELSEWHERE WITHIN 18N49W TO 20N52W TO
20N55W TO 18N55W TO 15N52W TO 16N50W TO 18N49W WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 22N48W TO 24N52W 
TO 22N55W TO 17N56W TO 14N51W TO 17N47W TO 22N48W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE LEE NEAR 19.8N 57.1W. MAXIMUM 
SUSTAINED WINDS 125 KT GUSTS 150 KT. TROPICAL STORM FORCE WINDS 
WITHIN 140 NM NE QUADRANT...130 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 110 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
240 NM N SEMICIRCLE...AND 120 NM S SEMICIRCLE WITH SEAS TO 38 
FT. 
ELSEWHERE WITHIN 20N54W TO 23N56W TO 23N58W TO 20N60W TO 17N59W 
TO 18N54W TO 20N54W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA WITHIN 23N51W TO 26N55W TO 22N62W TO 17N62W TO 
15N55W TO 17N51W TO 23N51W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT 
IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE LEE NEAR 21.3N 60.7W. MAXIMUM
SUSTAINED WINDS 135 KT GUSTS 165 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST HURRICANE LEE NEAR 22.5N 63.6W. MAXIMUM
SUSTAINED WINDS 125 KT GUSTS 150 KT.
.120 HOUR FORECAST HURRICANE LEE NEAR 23.5N 65.9W. MAXIMUM
SUSTAINED WINDS 115 KT GUSTS 140 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 48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL 
CYCLONE...NEAR 
17N37.5W 1008 MB. WITHIN 21N35W TO 20N36W TO 19N37W TO 18N36W 
TO 17N35W TO 21N35W WINDS 20 TO 25 KT. SEAS 8 FT.

.CARIBBEAN WITHIN 13N73W TO 13N74W TO 12N76W TO 11N76W TO 11N74W
TO 12N72W TO 13N73W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.18 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 ERA. NATIONAL HURRICANE CENTER.