FZNT01 KWBC 050350
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC TUE SEP 05 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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 0000 UTC SEP 05. 
24 HOUR FORECAST VALID 0000 UTC SEP 06.
48 HOUR FORECAST VALID 0000 UTC SEP 07.

.WARNINGS.

...STORM WARNING...
.LOW 42N59W 987 MB MOVING NW 05 KT. WITHIN 180 NM W SEMICIRCLE
WINDS 40 TO 50 KT. SEAS 12 TO 26 FT. ELSEWHERE FROM 36N TO 47N
BETWEEN 50W AND 66W WINDS 25 TO 40 KT. SEAS 10 TO 20 FT. ALSO S
OF 46N BETWEEN 41W AND 66W WINDS TO 25 KT. SEAS 8 TO 13 FT.
.24 HOUR FORECAST LOW 43N61W 991 MB. FROM 36N TO 47N BETWEEN 54W
AND 67W WINDS 25 TO 40 KT. SEAS 8 TO 16 FT. ELSEWHERE FROM 35N TO
48N BETWEEN 39W AND 68W WINDS LESS THAN 25 KT. SEAS TO 12 FT.
.48 HOUR FORECAST LOW 43N63W 996 MB. FROM 36N TO 45N BETWEEN 52W
AND 68W WINDS 20 TO 30 KT. SEAS TO 10 FT.

...GALE WARNING...
.LOW JUST N OF AREA NEAR 68N59W 984 MB MOVING NW 05 KT. BETWEEN
THE W GREENLAND COAST AND A LINE FROM 61N52W TO 67N61W WINDS 25
TO 35 KT. SEAS TO 12 FT.
.24 HOUR FORECAST LOW AND ASSOCIATED CONDITIONS N OF AREA.

...GALE WARNING...
.48 HOUR FORECAST LOW 59N51W 994 MB. WITHIN 480 NM S AND 420 NM W
QUADRANTS AND FROM 42N TO 60N W OF 40W WINDS 25 TO 35 KT. SEAS TO
11 FT.

.SYNOPSIS AND FORECAST.

.LOW 62N41W 999 MB MOVING NE 15 KT. FROM 56N TO 64N E OF 44W SW
TO S WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST LOW AND CONDITIONS MOVED E OF AREA.

.FROM 56N TO 64N W OF 52W WINDS 20 TO 30 KT. SEAS TO 8 FT.
.24 HOUR FORECAST NEW LOW 66N56W 1000 MB. N OF 58N W OF 50W WINDS
20 TO 30 KT. SEAS TO 11 FT.
.48 HOUR FORECAST LOW DISSIPATED N OF AREA. CONDITIONS
DIMINISHED.

.S OF 46N E OF 41W WINDS LESS THAN 25 KT. SEAS TO 9 FT.
.24 HOUR FORECAST CONDITIONS DIMINISHED.

.24 HOUR FORECAST NEW LOW 62N40W 1002 MB. WITHIN 360 NM S
QUADRANT WINDS TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST LOW DISSIPATED. FROM 55N TO 60N E OF 40W W
WINDS 20 TO 30 KT. SEAS TO 12 FT.

 
.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 43N TO 45N
BETWEEN 49W AND 54W...FROM 39N TO 45N W OF 65W...AND N OF 65N W
OF 57W.
.24 HOUR FORECAST DENSE FOG FROM 44N TO 49N BETWEEN 44W AND
54W AND N OF 63N W OF 56W.
.48 HOUR FORECAST DENSE FOG FROM 47N TO 55N BETWEEN 46W AND
56W AND FROM 62N TO 67N W OF GREENLAND.

.FORECASTER JOSEPH. 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 0000 UTC TUE SEP 05.
24 HOUR FORECAST VALID 0000 UTC WED SEP 06.
48 HOUR FORECAST VALID 0000 UTC THU SEP 07.

.WARNINGS.

...ATLC GALE WARNING...
.LOW PRES NEAR 11N36W 1011 MB. WITHIN 120 NM W SEMICIRCLE WINDS 
20 TO 25 KT. SEAS BUILDING TO 8 FT TONIGHT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
12.5N42W 1008 MB. WITHIN 120 NM OF CENTER...EXCEPT 90 SW 
QUADRANT WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. ELSEWHERE FROM 11N 
TO 16N BETWEEN 36W AND 43W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT 
IN MIXED NW AND NE SWELL.
.36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
13N44.5W 1006 MB. WITHIN 90 NM OF CENTER...EXCEPT 60 NM SW 
QUADRANT WINDS 30 TO 35 KT. SEAS 9 TO 12 FT. ELSEWHERE WITHIN 
180 NM OF CENTER...EXCEPT 150 NM SW QUADRANT WINDS 20 TO 30 KT. 
SEAS 8 TO 11 FT. REMAINDER OF AREA FROM 10N TO 18N BETWEEN 37W 
AND 46W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN N 
SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
14N46.5W 1004 MB. WITHIN 90 NM OF CENTER...EXCEPT 60 NM SW 
QUADRANT WINDS 30 TO 40 KT. SEAS 10 TO 14 FT. ELSEWHERE WITHIN 
180 NM OF CENTER...EXCEPT 150 NM SW QUADRANT WINDS 20 TO 30 KT. 
SEAS 8 TO 12 FT. REMAINDER OF AREA FROM 10N TO 19N BETWEEN 38W 
AND 49W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT PRIMARILY IN N 
SWELL.

.SYNOPSIS AND FORECAST.

.REMNANT LOW OF KATIA E OF AREA NEAR 28N34W. FROM 28N TO 30N E 
OF 36W NE WINDS 20 TO 25 KT. SEAS 8 TO 10 FT. ELSEWHERE E OF 46W 
AND N OF A LINE FROM 27N35W TO 23N46W WINDS 20 KT OR LESS. SEAS 
8 TO 9 FT IN NW SWELL.
.24 HOUR FORECAST REMNANT LOW OF KATIA E OF AREA NEAR 28N34W. 
FROM 28N TO 30N E OF 36W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT. 
ELSEWHERE FROM 27N TO 30N E OF 37W WINDS 20 KT OR LESS. SEAS 8 
FT IN N SWELL.
.48 HOUR FORECAST REMNANT LOW OF KATIA E OF AREA NEAR 27N33W. 
MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT. OVER FORECAST WATERS 
WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.

.ATLC N OF 26N BETWEEN 46W AND 65W WINDS 20 KT OR LESS. SEAS 8 
TO 11 FT IN N SWELL.  
.24 HOUR FORECAST N OF 27N BETWEEN 48W AND 55W WINDS 20 KT OR 
LESS. SEAS 8 FT IN NW SWELL.
.36 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST FROM 11N TO 14.5N BETWEEN 68W AND 
74W...INCLUDING THE GULF OF VENEZUELA...NE TO E WINDS 20 TO 25 
KT. SEAS TO 8 FT NEAR THE COAST OF COLOMBIA. 
.48 HOUR FORECAST LITTLE CHANGE.

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


.FORECASTER GR. NATIONAL HURRICANE CENTER.

$$