000
FZNT02 KNHC 170845
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC TUE NOV 17 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0600 UTC TUE NOV 17.
24 HOUR FORECAST VALID 0600 UTC WED NOV 18.
48 HOUR FORECAST VALID 0600 UTC THU NOV 19.

.WARNINGS.

...CARIBBEAN TROPICAL STORM WARNING...
.HURRICANE IOTA NEAR 13.7N 84.3W 950 MB AT 0900 UTC NOV 17
MOVING W OR 270 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 90 KT GUSTS
110 KT. HURRICANE FORCE WINDS INLAND. TROPICAL STORM FORCE WINDS
WITHIN 150 NM NE QUADRANT...120 NM SE QUADRANT...90 NM SW 
QUADRANT...AND 140 NM NW QUADRANT. SEAS 12 FT OR GREATER OVER
FORECAST WATERS WITHIN 180 NM NE QUADRANT...120 NM SE QUADRANT 
...0 NM SW QUADRANT AND 150 NM NW QUADRANT WITH SEAS TO 16 FT. 
ELSEWHERE OVER FORECAST WATERS WITHIN 11N84W TO 15N83W TO 16N87W 
TO 19N83W TO 17N79W TO 11N84W...INCLUDING THE GULF OF HONDURAS 
...WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. REMAINDER OF AREA WITHIN 
15N78W TO 10N83W TO 16N87W TO 22N86W TO 19N80W TO 15N78W... 
INCLUDING THE YUCATAN CHANNEL...WINDS 20 KT OR LESS. SEAS 8 TO 10
FT IN E TO SE SWELL.
.12 HOUR FORECAST TROPICAL STORM IOTA INLAND NEAR 13.8N 85.7W. 
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE 
WINDS WITHIN 140 NM N SEMICIRCLE...90 NM SE QUADRANT AND 60 NM SW
QUADRANT. SEAS 12 FT OR GREATER OVER FORECAST WATERS WITHIN 240 
NM NE QUADRANT...0 NM S SEMICIRCLE AND 210 NM NW QUADRANT WITH 
SEAS TO 14 FT. ELSEWHERE OVER FORECAST WATERS WITHIN 14N80W TO 
16N84W TO 16N89W TO 22N87W TO 21N82W TO 14N80W...INCLUDING THE 
YUCATAN CHANNEL AND THE GULF OF HONDURAS...WINDS 20 TO 33 KT. 
SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM IOTA INLAND NEAR 13.8N 87.9W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE 
WINDS INLAND WITHIN 130 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE. 
OVER FORECAST WATERS CONDITIONS MERGED.
.36 HOUR FORECAST POST-TROPICAL IOTA NEAR 13.7N 89.8W. MAXIMUM 
SUSTAINED WINDS 20 KT GUSTS 30 KT.
.48 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.

...ATLC GALE WARNING...
.ATLC 18 HOUR FORECAST COLD FRONT FROM 31N67W TO 24.5N80W. 
WITHIN 26N78W TO 23N80W TO 25N81W TO 31N80W TO 31N78W TO 26N78W N
TO NE WINDS 20 TO 30 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST COLD FRONT FROM 31N65W TO 24N80W. WITHIN 
27N75W TO 24N80W TO 31N81W TO 30N76W TO 27N75W N TO NE WINDS 20 
TO 30 KT. SEAS 8 TO 12 FT...HIGHEST IN GULF STREAM APPROACH TO 
STRAITS OF FLORIDA.
.42 HOUR FORECAST COLD FRONT FROM 31N57W TO 25N70W TO 21N75W. 
WITHIN 25N68W TO 22N74W TO 23N80W TO 27N79W TO 27N66W TO 25N68W 
NE WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO 35 KT. SEAS 8 TO 14 
FT...HIGHEST IN GULF STREAM APPROACH TO STRAITS OF FLORIDA.
.48 HOUR FORECAST LITTLE CHANGE.

...CARIBBEAN GALE WARNING...
.CARIBBEAN 24 HOUR FORECAST COLD FRONT FROM 22N81.5W TO 18N88W.
WITHIN 18N84W TO 16N85W TO 16N89W TO 22N87W TO 21N80W TO 
18N84W...INCLUDING THE YUCATAN CHANNEL AND THE GULF OF HONDURAS 
...NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 13 FT...HIGHEST NEAR 
YUCATAN CHANNEL AND GULF OF HONDURAS. 
.30 HOUR FORECAST COLD FRONT FROM 21N78.5W TO 17.5N88W. WITHIN 
20N77W TO 20N80W TO 20N87W TO 22N87W TO 22N82W TO 20N77W... 
INCLUDING THE YUCATAN CHANNEL...NE TO E WINDS 20 TO 30 KT WITH
FREQUENT GUSTS TO 35 KT. SEAS 8 TO 13 FT...HIGHEST NEAR YUCATAN
CHANNEL. WITHIN 16N87W TO 16N89W TO 20N88W TO 20N84W TO 16N87W
...INCLUDING THE GULF OF HONDURAS...NE TO E WINDS 20 TO 25 KT. 
SEAS 8 TO 11 FT.
.48 HOUR FORECAST COLD FRONT FROM 20.5N77W TO 18N80.5W TO 
17N88W. WITHIN 20N77W TO 20N80W TO 20N87W TO 22N87W TO 22N82W TO 
20N77W...INCLUDING THE YUCATAN CHANNEL...NE TO E WINDS 20 TO 30 
KT WITH FREQUENT GUSTS TO 35 KT. SEAS 8 TO 14 FT...HIGHEST NEAR 
YUCATAN CHANNEL. WITHIN 17N82W TO 17N87W TO 20N87W TO 20N78W TO 
17N82W...INCLUDING THE GULF OF HONDURAS...NE TO E WINDS 20 TO 25 
KT. SEAS 8 TO 10 FT.

...GULF OF MEXICO GALE WARNING...
.GULF OF MEXICO COLD FRONT FROM 26N82W TO 24N90W TO 18N94W.
WITHIN 24N87W TO 24N93W TO 25N92W TO 26N86W TO 26N85W TO 24N87W
NE WINDS 20 TO 25 KT. SEAS 8 FT. WITHIN 19N95W TO 19N96W TO 
20N96W TO 20N95W TO 19N95W...INCLUDING WITHIN 60 NM OF 
VERACRUZ...NW TO N WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.18 HOUR FORECAST COLD FRONT SE OF AREA. WITHIN 23N80W TO 
19N96W TO 22N98W TO 28N91W TO 28N83W TO 23N80W...INCLUDING THE 
STRAITS OF FLORIDA...NE WINDS 20 TO 30 KT WITH FREQUENT GUSTS TO
35 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST LITTLE CHANGE.
.48 HOUR FORECAST WITHIN 23N80W TO 19N96W TO 28N91W TO 29N83W 
TO 23N80W...INCLUDING THE STRAITS OF FLORIDA...NE TO E WINDS 20 
TO 30 KT WITH FREQUENT GUSTS TO 35 KT. SEAS 8 TO 16 FT...HIGHEST
NEAR STRAITS OF FLORIDA.

.SYNOPSIS AND FORECAST.

.ATLC COLD FRONT FROM 30N35W TO 28N45W. WITHIN 30N35W TO 29N42W 
TO 29N45W TO 31N44W TO 31N35W TO 30N35W WINDS 20 KT OR LESS. SEAS
8 FT IN NW TO N SWELL.
.24 HOUR FORECAST DISSIPATING STATIONARY FRONT FROM 28N35W TO
28N42W. WITHIN 17N35W TO 23N42W TO 26N49W TO 31N54W TO 31N35W 
TO 17N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NW TO N SWELL.
.48 HOUR FORECAST FRONT DISSIPATED. WITHIN 07N35W TO 11N46W TO 
22N56W TO 31N44W TO 31N35W TO 07N35W WINDS 20 KT OR LESS. SEAS 8 
TO 10 FT IN N TO NE SWELL.

.ATLC WITHIN 22N64W TO 22N70W TO 23N66W TO 27N59W TO 25N60W TO
22N64W WINDS 20 KT OR LESS. SEAS TO 8 FT IN NE SWELL.
.06 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC WITHIN 07N35W TO 06N52W TO 15N56W TO 10N46W TO 11N35W TO
07N35W WINDS 20 KT OR LESS. SEAS 8 FT IN MIXED N AND SE SWELL.
.24 HOUR FORECAST WITHIN 08N35W TO 07N44W TO 11N44W TO 14N40W TO
14N35W TO 08N35W WINDS 20 KT OR LESS. SEAS TO 8 FT IN MIXED N AND
SE SWELL.
.48 HOUR FORECAST CONDITIONS MERGED.

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

$$
.FORECASTER LEWITSKY. NATIONAL HURRICANE CENTER.