537 
FZNT02 KNHC 042210
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 UTC SUN OCT 4 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC SUN OCT 4.
24 HOUR FORECAST VALID 1800 UTC MON OCT  5.
48 HOUR FORECAST VALID 1800 UTC TUE OCT  6.

.WARNINGS.

...CARIBBEAN TROPICAL STORM WARNING...
.POTENTIAL TROPICAL CYCLONE TWENTY-SIX NEAR 16.7N 76.6W 1007 MB 
AT 2100 UTC OCT 04 MOVING WNW OR 290 DEG AT 9 KT. MAXIMUM 
SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 16N71W TO 14N74W TO 
16N75W TO 19N76W TO 18N71W TO 16N71W E TO SE WINDS 20 TO 30 KT. 
SEAS 8 TO 9 FT.
.24 HOUR FORECAST TROPICAL STORM TWENTY-SIX NEAR 18.0N 79.1W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS WITHIN 40 NM OF CENTER EXCEPT 0 NM SW QUADRANT. SEAS TO 10 
FT. ELSEWHERE WITHIN 17N77W TO 16N77W TO 18N80W TO 18N78W TO 
17N77W WINDS 20 TO 33 KT. SEAS TO 8 FT.
.48 HOUR FORECAST TROPICAL STORM TWENTY-SIX NEAR 21.0N 82.8W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 70 NM N SEMICIRCLE...60 NM SE QUADRANT AND 40 NM SW 
QUADRANT. SEAS TO 12 FT WITHIN 60 NM E SEMICIRCLE. ELSEWHERE 
WITHIN 20N79W TO 19N80W TO 20N83W TO 22N84W TO 22N81W TO 20N79W 
WINDS 20 TO 33 KT. SEAS 8 FT. .60 HOUR FORECAST HURRICANE TWENTY-
SIX NEAR 23.1N 85.4W. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85 KT. 
.72 HOUR FORECAST HURRICANE TWENTY-SIX NEAR 24.7N 87.9W. MAXIMUM 
SUSTAINED WINDS 80 KT GUSTS 100 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE. .96 HOUR FORECAST HURRICANE 
TWENTY-SIX NEAR 26.5N 90.3W. MAXIMUM SUSTAINED WINDS 85 KT GUSTS 
105 KT. .120 HOUR FORECAST HURRICANE TWENTY-SIX NEAR 28.6N 90.3W.
MAXIMUM SUSTAINED WINDS 85 KT GUSTS 105 KT.

...GULF OF MEXICO TROPICAL STORM WARNING...
.TROPICAL STORM GAMMA NEAR 22.4N 88.1W 997 MB AT 2100 UTC OCT 04
MOVING N OR 360 DEG AT 0 KT. MAXIMUM SUSTAINED WINDS 50 KT GUSTS
60 KT. TROPICAL STORM FORCE WINDS WITHIN 140 NM NE QUADRANT...60
NM SE QUADRANT...40 NM SW QUADRANT...AND 120 NM NW QUADRANT. 
SEAS 12 FT OR GREATER WITHIN 120 NM NE AND SW QUADRANTS...150 NM 
NW QUADRANT AND 45 NM SE QUADRANT WITH SEAS TO 18 FT. ELSEWHERE 
WITHIN 23N86W TO 20N91W TO 26N94W TO 28N90W TO 27N86W TO 
23N86W...INCLUDING WITHIN 60 NM OF CAMPECHE...WINDS 20 TO 33 KT. 
SEAS 8 TO 13 FT. REMAINDER OF AREA WITHIN 23N86W TO 20N92W TO 
23N95W TO 27N92W TO 26N86W TO 23N86W...INCLUDING WITHIN 60 NM OF 
CAMPECHE...WINDS 20 KT OR LESS. SEAS 8 TO 9 FT IN MIXED SWELL. 
.24 HOUR FORECAST TROPICAL STORM GAMMA NEAR 22.1N 88.6W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NE QUADRANT...40 NM SE QUADRANT...20 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
210 NM NW AND 120 NM NE QUADRANTS...AND WITHIN 45 NM S SEMICIRCLE
WITH SEAS TO 17 FT. ELSEWHERE WITHIN 22N88W TO 20N91W TO 22N93W 
TO 26N92W TO 25N90W TO 22N88W...INCLUDING WITHIN 60 NM OF 
CAMPECHE...WINDS 20 TO 33 KT. SEAS 9 TO 14 FT. REMAINDER OF AREA 
WITHIN 19N91W TO 21N97W TO 26N95W TO 28N88W TO 26N86W TO 
19N91W...INCLUDING WITHIN 60 NM OF VERACRUZ AND WITHIN 60 NM OF 
CAMPECHE...WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN MIXED SWELL. 
.48 HOUR FORECAST TROPICAL STORM GAMMA NEAR 21.3N 90.4W. MAXIMUM 
SUSTAINED WINDS 40 KT GUSTS 50 KT. TROPICAL STORM FORCE WINDS 
WITHIN 90 NM N SEMICIRCLE...40 NM SE QUADRANT AND 20 NM SW 
QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM NW AND 90 NM NE 
QUADRANTS...AND WITHIN 60 NM S SEMICIRCLE WITH SEAS TO 14 FT. 
ELSEWHERE WITHIN 20N91W TO 20N93W TO 22N95W TO 21N92W TO 23N90W 
TO 20N91W...INCLUDING WITHIN 60 NM OF CAMPECHE...WINDS 20 TO 33 
KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 18N94W TO 23N97W TO
26N96W TO 28N92W TO 23N89W TO 18N94W...INCLUDING WITHIN 60 NM OF
VERACRUZ AND WITHIN 60 NM OF CAMPECHE...WINDS 20 KT OR LESS. 
SEAS 8 TO 11 FT IN MIXED SWELL. 
.72 HOUR FORECAST TROPICAL STORM GAMMA NEAR 20.1N 91.4W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. EXTENDED OUTLOOK...USE FOR 
GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL STORM GAMMA NEAR 21.0N 92.1W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT. 
.120 HOUR FORECAST TROPICAL STORM GAMMA NEAR 22.2N 92.7W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 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 WITHIN 28N53W TO 28N54W TO 31N53W TO 31N51W TO 30N52W TO
28N53W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST NONE. WINDS 20 KT OR LESS. SEAS 8 FT.

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

$$
.FORECASTER STRIPLING. NATIONAL HURRICANE CENTER.