000
FZNT02 KNHC 280301
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
0430 UTC SAT AUG 28 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SAT AUG 28.
24 HOUR FORECAST VALID 0000 UTC SUN AUG 29.
48 HOUR FORECAST VALID 0000 UTC MON AUG 30.

.WARNINGS.

...CARIBBEAN AND GULF OF MEXICO HURRICANE WARNING...
.HURRICANE IDA NEAR 23.0N 84.0W 985 MB AT 0300 UTC AUG 28 MOVING
NW OR 320 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85
KT. TROPICAL STORM FORCE WINDS WITHIN 100 NM NE QUADRANT...60 NM
SE QUADRANT...40 NM SW QUADRANT...AND 70 NM NW QUADRANT. SEAS
12 FT OR GREATER WITHIN 105 NM N SEMICIRCLE AND 0 NM S SEMICIRCLE 
WITH SEAS TO 14 FT. ELSEWHERE WITHIN 23N81W TO 23N82W TO 22N85W
TO 25N85W TO 25N82W TO 23N81W AND WITHIN 19N79W TO 18N81W TO 21N82W 
TO 23N83W TO 22N79W TO 19N79W WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. 
REMAINDER OF AREA WITHIN 21N83W TO 20N84W TO 20N85W TO 22N85W TO 
22N83W TO 21N83W...INCLUDING THE YUCATAN CHANNEL...WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE IDA NEAR 26.1N 87.7W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 100 NM NW AND SE QUADRANTS...120 NM NE QUADRANT AND 70 NM 
SW QUADRANT. SEAS 12 FT OR GREATER WITHIN 150 NM N SEMICIRCLE AND
120 NM S SEMICIRCLE WITH SEAS TO 34 FT. ELSEWHERE WITHIN 24N83W 
TO 24N89W TO 29N91W TO 30N86W TO 28N83W TO 24N83W WINDS 20 TO 33 
KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 24N84W TO 23N89W 
TO 25N91W TO 27N90W TO 24N88W TO 24N84W WINDS 20 KT OR LESS. SEAS
8 TO 10 FT IN MIXED SWELL.
.48 HOUR FORECAST HURRICANE IDA INLAND NEAR 29.2N 90.8W. MAXIMUM
SUSTAINED WINDS 110 KT GUSTS 135 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM E SEMICIRCLE AND 70 NM W SEMICIRCLE. SEAS 12 FT OR 
GREATER WITHIN 180 NM S SEMICIRCLE WITH SEAS TO 23 FT. ELSEWHERE 
WITHIN 27N88W TO 27N92W TO 29N94W TO 29N86W TO 27N88W WINDS 20 TO
33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 27N85W TO 
25N88W TO 26N95W TO 28N96W TO 30N87W TO 27N85W WINDS 20 KT OR 
LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.60 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 30.7N 91.0W.
MAXIMUM SUSTAINED WINDS 60 KT GUSTS 75 KT.
.72 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 32.3N 90.6W.
MAXIMUM SUSTAINED WINDS 35 KT GUSTS 45 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL DEPRESSION IDA INLAND NEAR 34.9N
88.2W. MAXIMUM SUSTAINED WINDS 25 KT GUSTS 35 KT.
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW IDA NEAR 36.8N
83.9W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 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 LOW PRES NEAR 13.5N49W 1008 MB. WITHIN 15N45W TO 13N47W TO
14N49W TO 17N48W TO 17N46W TO 15N45W WINDS 20 TO 25 KT. SEAS 8 TO
10 FT.
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
17N47W 1009 MB. WITHIN 17N44W TO 16N46W TO 17N47W TO 19N46W TO 
18N44W TO 17N44W WINDS 20 TO 25 KT. SEAS 8 FT.
.36 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
18N46.5W 1009 MB. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS 
LESS THAN 8 FT.

.ATLC 18 HOUR FORECAST WITHIN 20N70W TO 20N72.5W TO 20.5N71.5W
TO 20.5N70.5W TO 20N70W E WINDS 20 TO 25 KT. SEAS LESS THAN 8
FT.
.24 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN WITHIN 12N69W TO 11N71W TO 11N74W TO 13N74W TO 13N71W
TO 12N69W NE TO E WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N70W TO 11N72W TO 12N73W TO 12N75W TO
14N73W TO 12N70W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.
.48 HOUR FORECAST WITHIN 11N70W TO 12N72W TO 12N75W TO 13N75W TO
13N71W TO 11N70W NE TO E WINDS 20 TO 25 KT. SEAS 8 FT.

.CARIBBEAN 42 HOUR FORECAST WITHIN 16N85W TO 16N87W TO 17N87W TO
17N86W TO 17N85W TO 16N85W...INCLUDING THE GULF OF HONDURAS...E
WINDS 20 TO 25 KT. SEAS LESS THAN 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.