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High Seas Forecast (Tropical Atlantic)



000
FZNT02 KNHC 281608
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1630 UTC WED SEP 28 2022

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1200 UTC WED SEP 28.
24 HOUR FORECAST VALID 1200 UTC THU SEP 29.
48 HOUR FORECAST VALID 1200 UTC FRI SEP 30.

.WARNINGS.

...GULF OF MEXICO AND ATLC HURRICANE WARNING... 
.HURRICANE IAN NEAR 26.3N 82.5W 937 MB AT 1500 UTC SEP 28 MOVING NNE
OR 015 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 135 KT GUSTS 165 KT.
TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...140 NM SE
QUADRANT...100 NM SW QUADRANT...AND 150 NM NW QUADRANT. SEAS 12 
FT OR GREATER WITHIN 45 NM NE QUADRANT...120 NM SE QUADRANT...300
NM SW QUADRANT...AND 240 NM NW QUADRANT WITH SEAS TO 30 FT. 
ELSEWHERE OVER GULF OF MEXICO WATERS WITHIN 24N87W TO 27N93W TO 
24N93W TO 22N90W TO 21N85W TO 23N83W TO 24N87W WINDS 20 TO 33 KT.
SEAS 8 TO 12 FT. ELSEWHERE OVER ATLC WATERS WITHIN 26N78W TO 
28N80W TO 25N80W TO 24N80W TO 24N79W TO 26N78W WINDS 20 TO 30 KT.
SEAS 8 TO 11 FT.
.24 HOUR FORECAST TROPICAL STORM IAN INLAND NEAR 28.3N 81.4W. 
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE 
WINDS WITHIN 310 NM NE QUADRANT...130 NM SE QUADRANT...120 NM SW 
QUADRANT...AND 160 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
120 NM NE SEMICIRCLE WITH SEAS TO 18 FT. ELSEWHERE OVER GULF OF 
MEXICO WATERS WITHIN 30N84W TO 30N89W TO 27N94W TO 25N87W TO 
25N81W TO 30N84W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER 
OF AREA OVER GULF OF MEXICO WATERS WITHIN 24N82W TO 26N89W TO 
28N94W TO 24N97W TO 22N95W TO 21N86W TO 24N82W WINDS 20 KT OR
LESS. SEAS 8 TO 10 FT IN MIXED SWELL. ELSEWHERE OVER ATLC WATERS WITHIN
31N77W TO 31N81W TO 27N80W TO 25N79W TO 27N76W TO
31N77W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST TROPICAL STORM IAN OVER WATER NEAR 30.8N 
80.6W. MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM 
FORCE WINDS WITHIN 120 NM NW AND SE QUADRANTS...250 NM NE 
QUADRANT AND 60 NM SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 300
NM NE AND 60 NM SW SEMICIRCLES WITH SEAS TO 21 FT. ELSEWHERE OVER
ATLC WATERS WITHIN 31N73W TO 31N81W TO 27N79W TO 27N76W TO
29N74W TO 31N73W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT. ELSEWHERE
OVER GULF OF MEXICO WATERS WITHIN 30N84W TO 30N88W TO 25N89W TO
23N86W TO 25N83W TO 30N84W WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.72 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IAN NEAR 34.7N 
81.5W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL EXTRATROPICAL IAN NEAR 36.0N 
81.5W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

...TROPICAL STORM WARNING...
.TROPICAL DEPRESSION ELEVEN NEAR 16.1N 34.4W 1008 MB AT 1500 UTC
SEP 28 MOVING N OR 350 DEG AT 8 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 18N35W TO 18N36W TO 17N37W TO 16N37W TO 
14N36W TO 14N35W TO 18N35W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT. 
.12 HOUR FORECAST TROPICAL STORM ELEVEN NEAR 17.1N 35.0W. 
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.24 HOUR FORECAST TROPICAL STORM ELEVEN NEAR 19.0N 36.3W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS 
WITHIN 0 NM OF CENTER EXCEPT 40 NM NE QUADRANT. WITHIN 21N35W TO 
20N37W TO 17N37W TO 15N35W TO 21N35W WINDS 20 TO 33 KT. SEAS 8 TO
11 FT.
.48 HOUR FORECAST TROPICAL DEPRESSION ELEVEN NEAR 23.8N 39.3W. MAXIMUM
SUSTAINED WINDS 30 KT GUSTS 40 KT. WITHIN 25N36W TO 25N37W TO 25N39W
TO 24N40W TO 23N39W TO 23N36W TO 25N36W WINDS 20 TO 33 KT. SEAS 
8 TO 10 FT.
.60 HOUR FORECAST POST-TROPICAL REMNANT LOW ELEVEN NEAR 26.4N 
39.6W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.72 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.

.SYNOPSIS AND FORECAST.

.ATLC WITHIN 31N35W TO 31N40W TO 28N39W TO 26N37W TO 25N35W TO 
31N35W WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN NE TO E SWELL. 
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.GULF OF MEXICO 24 HOUR FORECAST WITHIN 20N95W TO 20N96W TO
19N96W TO 19N95W TO 20N95W...INCLUDING WITHIN 60 NM OF COAST OF
VERACRUZ... NW WINDS 20 TO 25 KT. SEAS 8 TO 10 FT.
.48 HOUR FORECAST WITHIN 20N95W TO 20N96W TO 19N96W TO 19N95W TO
20N95W...INCLUDING WITHIN 60 NM OF COAST OF VERACRUZ... WINDS 20
KT OR LESS. SEAS TO 8 FT IN NE SWELL.

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

$$
.FORECASTER CHRISTENSEN. NATIONAL HURRICANE CENTER.