Sandy Bay Yacht Club
Weather Center


 

High Seas Forecast - Western Atlantic, Caribbean and Gulf of Mexico

Expires:No;;796255
FZNT01 KWBC 250412
HSFAT1

HIGH SEAS FORECAST FOR METAREA IV
NWS OCEAN PREDICTION CENTER WASHINGTON DC
0430 UTC SUN OCT 25 2020

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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS 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).

METAREA IV BULLETIN WILL ONLY BE BROADCAST FROM THE INMARSAT 
AOE SATELLITE. PLEASE ENSURE YOUR RECEIVER IS POINTED 
CORRECTLY. 

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 OCT 25. 
24 HOUR FORECAST VALID 0000 UTC OCT 26.
48 HOUR FORECAST VALID 0000 UTC OCT 27.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE EPSILON NEAR 41.3N 56.1W 960 MB AT 0300 UTC OCT 25
MOVING NE OR 045 DEG AT 21 KT. MAXIMUM SUSTAINED WINDS 65 KT
GUSTS 80 KT. TROPICAL STORM FORCE WINDS WITHIN 200 NM NE
QUADRANT...300 NM SE QUADRANT...330 NM SW QUADRANT...AND 270 NM
NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 450 NM NE...510 NM
SE...540NM SW...AND 420 NM NW QUADRANTS WITH SEAS TO  48 FT. 
ELSEWHERE FROM 32N TO 49N BETWEEN 41W AND 66W WINDS 20 
TO 33 FT. SEAS TO 12 FT.
.24 HOUR FORECAST POST-TROPICAL CYCLONE EPSILON NEAR 47.3N
42.0W 970 MB. MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. 
TROPICAL STORM FORCE WINDS WITHIN 350 NM S SEMICIRCLE...AND
WITHIN 250 NM NE AND 330 NM NW QUADRANTS.  SEAS 12 FT OR 
GREATER WITHIN 480 NM NE...720 NM SE...900 NM SW...AND 540 NM
NW QUADRANTS WITH SEAS TO 44 FT. ELSEWHERE FROM 35N TO
BETWEEN 35W AND 61W WINDS 20 TO 33 KT. SEAS TO 12 FT.
.48 HOUR FORECAST POST-TROPICAL EPSILON WELL E OF AREA
NEAR 56.5N 23W 948 MB. MAXIMUM SUSTAINED WINDS 55 KT
GUSTS 70 KT. TROPICAL STORM FORCE WINDS WITHIN 400 NM W
SEMICIRCLE...350 NM NE QUADRANT AND 400 NM SE QUADRANT.
ASSOCIATED SEAS 12 FT OR GREATER E OF AREA WITH SEAS TO 39 FT.
.60 HOUR FORECAST POST-TROPICAL CYCLONE EPSILON ABSORBED
BY LARGER LOW E OF AREA. 

...HURRICANE FORCE WIND WARNING...
.24 HOUR FORECAST NEW LOW 52N42W 986 MB WILL RAPIDLY INTENSIFY. 
EXCEPT WHERE DESCRIBED WITH POST-TROPICAL CYCLONE EPSILON WITHIN
360 NM NE...AND 420 NM W AND NW QUADRANTS WINDS 25 TO 40 KT. SEAS
9 TO 16 FT.
.36 HOUR FORECAST LOW 56N35W 958 MB. WITHIN 240 NM SW QUADRANT
WINDS 50 TO 65 KT. SEAS 16 TO 28 FT. ALSO WITHIN 480 NM SW 
SEMICIRCLE WINDS 40 TO 55 KT. SEAS 13 TO 26 FT.
.48 HOUR FORECAST LOW E OF AREA 57N32W 940 MB. WITHIN 300 NM SW
QUADRANT WINDS 55 TO 70 KT. SEAS 24 TO 48 FT. ALSO WITHIN 540 NM
SW SEMICIRCLE WINDS 40 TO 55 KT. SEAS 18 TO 36 FT. ELSEWHERE
WITHIN 720 NM SW AND 660 NM NW QUADRANTS WINDS 25 TO 40 KT. 
SEAS 9 TO 18 FT...EXCEPT SW QUADRANT 16 TO 32 FT.

...STORM WARNING..
.LOW 57N60W 984 MB MOVING NE 20 KT. WITHIN 300 NM NE...480 NM
SE...AND 180 NM SW QUADRANTS WINDS 25 TO 40 KT. SEAS 8 TO 15 FT.
.12 HOUR FORECAST LOW 59N54W 977 MB. WITHIN 240 NM SW QUADRANT
AND BETWEEN 90 NM AND 180 NM E AND E QUADRANTS WINDS 35 TO 50
KT. SEAS 11 TO 22 FT.
.24 HOUR FORECAST LOW 61N51W 980 MB. FROM 55N TO 65N BETWEEN
37W AND 60W WINDS 25 TO 40 KT. SEAS 11  TO 22 FT. 
.48 HOUR FORECAST LOW ABSORBED INTO LOW 57N31W WITH CONDITIONS 
DESCRIBED ABOVE.

...GALE WARNING...
.E OF A LINE FROM 49N36W TO 57N41W TO 64N37W WINDS 25 TO 35 KT. 
SEAS 11 TO 22 FT.
.12 HOUR FORECAST CONDITIONS E OF AREA.

.SYNOPSIS AND FORECAST.

.24 HOUR FORECAST FROM 37N TO 42N W OF 68W E TO NE WINDS
TO 25 KT. SEAS TO 8 FT.
.48 HOUR FORECAST FROM 38N TO 44N BETWEEN 54W AND 63W E TO SE
WINDS TO 25 KT. SEAS TO 9 FT.

.48 HOUR FORECAST NEW LOW 35N67W 1015 MB. WITHIN 120 NM E
SEMICIRCLE WINDS 20 TO 30 KT. SEAS TO 10 FT.

.24 HOUR FORECAST AREAS OF LIGHT FREEZING SPRAY N OF 63N W OF 
60W.
.48 HOUR FORECAST AREAS OF LIGHT FREEZING SPRAY N OF 61N W OF 
57W. 

.DENSE FOG. VSBY OCCASIONALLY LESS THAN 1 NM FROM 55N TO 61N
W OF 50W. 
.24 HOUR FORECAST DENSE FOG WITHIN 180 NM OF 51N42W.
.48 HOUR FORECAST DENSE FOG FROM 48N TO 60N E OF 53W. 

.HIGH 45N39W 1027 MB MOVING SE 30 KT.
.12 HOUR FORECAST HIGH E OF AREA.

.HIGH 32N69W 1017 MB MOVING NE 20 KT.
.24 HOUR FORECAST HIGH 34N61W 1024 MB.
.48 HOUR FORECAST HIGH DISSIPATED.

.48 HOUR FORECAST HIGH 43N49W 1033 MB.

.48 HOUR FORECAST HIGH 32N39W 1029 MB.

.FORECASTER MILLS. OCEAN PREDICTION CENTER.

NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SUN OCT 25 2020

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.

SECURITE

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

SYNOPSIS VALID 0000 UTC SUN OCT 25.
24 HOUR FORECAST VALID 0000 UTC MON OCT 26.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 27.

.WARNINGS.

...CARRIBBEAN TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TWENTY-EIGHT NEAR 18.9N 83.1W 1004 MB AT 

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

SYNOPSIS VALID 0000 UTC SUN OCT 25.
24 HOUR FORECAST VALID 0000 UTC MON OCT 26.
48 HOUR FORECAST VALID 0000 UTC TUE OCT 27.

.WARNINGS.

...CARRIBBEAN TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TWENTY-EIGHT NEAR 18.9N 83.1W 1004 MB AT 
0300 UTC OCT 25 MOVING N OR 360 DEG AT 0 KT. MAXIMUM SUSTAINED 
WINDS 30 KT GUSTS 40 KT. WITHIN 19N80W TO 19N81W TO 19N82W TO 
21N82W TO 21N81W TO 19N80W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.12 HOUR FORECAST TROPICAL STORM TWENTY-EIGHT NEAR 19.2N 83.3W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 30 NM ALL QUADRANTS. ELSEWHERE...WITHIN 19N82W TO 
19N84W TO 20N84W TO 21N82W TO 21N81W TO 19N82W WINDS 20 TO 33 KT.
SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM TWENTY-EIGHT NEAR 20.0N 83.7W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM NE QUADRANT...60 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 30 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 30
NM ALL QUADRANTS EXCEPT 0 NM SW QUADRANT WITH SEAS TO 14 FT. 
ELSEWHERE...WITHIN 19N82W TO 19N84W TO 20N85W TO 22N84W TO 21N82W
TO 19N82W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM TWENTY-EIGHT NEAR 21.7N 86.6W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM NE QUADRANT...80 NM SE QUADRANT...30 NM SW
QUADRANT...AND 50 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 60
NM ALL QUADRANTS EXCEPT 30 NM SW QUADRANT WITH SEAS TO 19 FT.
ELSEWHERE...WITHIN 22N84W TO 20N85W TO 20N87W TO 22N88W TO
24N87W TO 22N84W...INCLUDING THE STRAITS OF FLORIDA AND THE
YUCATAN CHANNEL...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.60 HOUR FORECAST HURRICANE TWENTY-EIGHT NEAR 23.2N 88.6W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
.72 HOUR FORECAST HURRICANE TWENTY-EIGHT NEAR 25.4N 90.3W.
MAXIMUM SUSTAINED WINDS 65 KT GUSTS 80 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM TWENTY-EIGHT INLAND NEAR 31.5N
89.5W. MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT.
.120 HOUR FORECAST...ABSORBED.

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 WITHIN 30N57W TO 30N59W TO 31N62W TO 31N56W TO 30N57W
WINDS 20 KT OR LESS. SEAS 10 TO 12 FT IN NW SWELL. ELSEWHERE...
WITHIN 28N59W TO 27N65W TO 28N70W TO 31N73W TO 31N53W TO 28N59W 
WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL.
.24 HOUR FORECAST WITHIN 13N37W TO 13N38W TO 14N39W TO 16N39W TO
16N37W TO 13N37W E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. 
ELSEWHERE...WITHIN 08N35W TO 07N47W TO 24N73W TO 31N61W TO 31N35W
TO 08N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.48 HOUR FORECAST WITHIN 14N35W TO 12N41W TO 17N44W TO 18N43W TO
16N35W TO 14N35W NE TO E WINDS 20 TO 25 KT. SEAS 9 TO 11 FT. 
ELSEWHERE...WITHIN 07N35W TO 11N59W TO 23N66W TO 31N53W TO 31N35W
TO 07N35W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN N SWELL.

.ATLC WITHIN 17N40W TO 18N43W TO 21N43W TO 22N41W TO 19N39W TO
17N40W E WINDS 20 TO 25 KT. SEAS 10 TO 12 FT. ELSEWHERE...
WITHIN 10N35W TO 15N49W TO 16N61W TO 27N45W TO 25N35W TO 10N35W 
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN N TO NE SWELL.
.24 HOUR FORECAST CONDITIONS MERGED WITH AREA DESCRIBED ABOVE.

.ATLC 12 HOUR FORECAST WITHIN 28N75W TO 28N76W TO 29N76W TO
29N75W TO 28N75W WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN NE 
SWELL.
.24 HOUR FORECAST WITHIN 28N75W TO 28N76W TO 29N76W TO 29N75W TO
28N75W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL. 
.30 HOUR FORECAST CONDITIONS IMPROVE. 

.CARIBBEAN WITHIN 14N69W TO 13N70W TO 14N70W TO 15N70W TO 14N69W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE SWELL. 
.24 HOUR FORECAST LITTLE CHANGE.
.30 HOUR FORECAST CONDITIONS IMPROVE. 

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


.FORECASTER KONARIK. NATIONAL HURRICANE CENTER.

$$


 

 



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