000
FZNT02 KNHC 270316
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 0000 UTC FRI AUG 27.
24 HOUR FORECAST VALID 0000 UTC SAT AUG 28.
48 HOUR FORECAST VALID 0000 UTC SUN AUG 29.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.TROPICAL STORM IDA NEAR 18.6N 80.5W 1006 MB AT 0300 UTC AUG 27
MOVING NW OR 320 DEG AT 10 KT. MAXIMUM SUSTAINED WINDS 35 KT
GUSTS 45 KT. TROPICAL STORM FORCE WINDS WITHIN 0 NM OF CENTER
EXCEPT 60 NM NE QUADRANT. SEAS TO 10 FT. ELSEWHERE WITHIN WITHIN 
19N77W TO 18N79W TO 18N81W TO 20N82W TO 21N79W TO 19N77W WINDS 
20 TO 33 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 21.8N 83.9W.
MAXIMUM SUSTAINED WINDS 55 KT GUSTS 65 KT. TROPICAL STORM FORCE
WINDS WITHIN 90 NM NE QUADRANT...70 NM SE QUADRANT...20 NM SW
QUADRANT...AND 60 NM NW QUADRANT. SEAS TO 12 FT WITHIN 120 NM NE 
QUADRANT. ELSEWHERE WITHIN 23N81W TO 22N85W TO 25N86W TO 26N84W TO
25N81W TO 23N81W...INCLUDING THE STRAITS OF FLORIDA...WINDS
20 TO 33 KT. SEAS 8 TO 12 FT. WITHIN 20N81W TO 21N84W TO 22N85W
TO 23N82W TO 22N81W TO 20N81W WINDS 20 TO 33 KT. SEAS 8 TO 9 FT.
.36 HOUR FORECAST HURRICANE IDA NEAR 23.8N 85.9W. MAXIMUM
SUSTAINED WINDS 65 KT GUSTS 80 KT.
.48 HOUR FORECAST HURRICANE IDA NEAR 25.6N 88.0W. MAXIMUM
SUSTAINED WINDS 75 KT GUSTS 90 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 NM NE QUADRANT...120 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 120 NM NW QUADRANT WITH SEAS TO 33 FT. ELSEWHERE 
WITHIN 24N84W TO 25N89W TO 29N90W TO 29N87W TO 27N84W TO 24N84W 
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 
23N86W TO 24N91W TO 28N91W TO 30N87W TO 28N84W TO 23N86W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT ON MIXED SWELL.
.72 HOUR FORECAST HURRICANE IDA NEAR 29.0N 90.6W. MAXIMUM
SUSTAINED WINDS 95 KT GUSTS 115 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 32.0N 91.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL DEPRESSION IDA INLAND NEAR 33.9N
88.8W. 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 15N40W TO 12N43W TO 16N48W TO 18N47W TO 17N41W TO
15N40W NE TO E WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
15N44.5W 1012 MB. WITHIN 14N44W TO 15N46W TO 16N46W TO 16N44W TO
16N43W TO 14N44W WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18N44W 1010 MB. WITHIN 16N43W TO 16N44W TO 19N45W TO 20N44W TO
19N42W TO 16N43W WINDS 20 TO 30 KT. SEAS 8 TO 12 FT.

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

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.