000
FZNT02 KNHC 270922
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC FRI AUG 27 2021

SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 FRI AUG 27.
24 HOUR FORECAST VALID 0600 UTC SAT AUG 28.
48 HOUR FORECAST VALID 0600 UTC SUN AUG 29.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM IDA NEAR 20.0N 81.4W 1001 MB AT 0900 UTC AUG 27
MOVING NW OR 320 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 40 KT
GUSTS 50 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 70 NM NE QUADRANT.  SEAS 12 FT OR GREATER WITHIN 0 NM OF
CENTER EXCEPT 60 NM NE QUADRANT WITH SEAS TO 14 FT. ELSEWHERE 
WITHIN 20N78W TO 18N79W TO 18N82W TO 20N82W TO 21N80W TO 20N78W 
WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.24 HOUR FORECAST TROPICAL STORM IDA NEAR 23.4N 84.9W. MAXIMUM
SUSTAINED WINDS 60 KT GUSTS 75 KT. TROPICAL STORM FORCE WINDS
WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...40 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 120 NM NE QUADRANT...75 NM SE QUADRANT...45 NM SW
QUADRANT...AND 75 NM NW QUADRANT WITH SEAS TO 20 FT. ELSEWHERE 
WITHIN 24N81W TO 22N85W TO 24N87W TO 26N86W TO 26N84W TO 
24N81W...INCLUDING THE STRAITS OF FLORIDA...WINDS 20 TO 
33 KT. SEAS 8 TO 12 FT. WITHIN 20N81W TO 20N82W TO
21N84W TO 22N83W TO 21N81W TO 20N81W SE WINDS 20 TO 25 KT.
SEAS 8 TO 9 FT.
.36 HOUR FORECAST HURRICANE IDA NEAR 25.3N 86.9W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT.
.48 HOUR FORECAST HURRICANE IDA NEAR 27.1N 88.8W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT. TROPICAL STORM FORCE WINDS
WITHIN 130 NM NE QUADRANT...110 NM SE QUADRANT...60 NM SW
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER
WITHIN 180 N SEMICIRCLE...AND 120 NM S SEMICIRCLE WITH SEAS 
TO 35 FT. ELSEWHERE WITHIN 26N84W TO 24N87W TO 26N90W TO 28N91W TO
29N86W TO 26N84W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT.
WITHIN 24N84W TO 23N90W TO 29N92W TO 30N88W TO 28N84W TO 24N84W
WINDS 20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.72 HOUR FORECAST HURRICANE IDA INLAND NEAR 30.1N 91.1W. MAXIMUM
SUSTAINED WINDS 85 KT GUSTS 105 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 33.0N 90.5W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION IDA INLAND NEAR 35.0N
88.0W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 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 13N42W TO 12N46W TO 17N48W TO 18N46W TO 16N42W TO
13N42W NE WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 15N46W 
1011 MB. WITHIN 14N44W TO 15N48W TO 17N48W TO 18N47W TO
17N44W TO 14N44W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 18N45W 
1010 MB. WITHIN 17N44W TO 18N48W TO 20N47W TO 20N44W TO
19N43W TO 17N44W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 11 FT.

.ATLC 36 HOUR FORECAST WITHIN 20N71W TO 20N72W TO 20.5N72.5W TO
21N72W TO 20.5N71W TO 20N71W...INCLUDING THE WINDWARD PASSAGE...
E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN 24 HOUR FORECAST WITHIN 13N71W TO 11N74W TO 12N75W TO
14N73W TO 14N71W TO 13N71W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.42 HOUR FORECAST WITHIN 13N72W TO 11N75W TO 13N75W TO 13N74W TO
14N72W TO 13N72W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST LITTLE CHANGE.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.