000
FZNT02 KNHC 290921
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
1030 UTC SUN AUG 29 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 SUN AUG 29.
24 HOUR FORECAST VALID 0600 UTC MON AUG 30.
48 HOUR FORECAST VALID 0600 UTC TUE AUG 31.

.WARNINGS.

...GULF OF MEXICO HURRICANE WARNING...
.HURRICANE IDA NEAR 28.0N 89.1W 946 MB AT 0900 UTC AUG 29 MOVING
NW OR 315 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 120 KT GUSTS 145
KT. TROPICAL STORM FORCE WINDS WITHIN 120 NM NE QUADRANT...100
NM SE QUADRANT...80 NM SW QUADRANT...AND 110 NM NW QUADRANT.
SEAS 12 FT OR GREATER WITHIN 150 NM S SEMICIRCLE...180 NM NE
QUADRANT AND 120 NM NW QUADRANT WITH SEAS TO 38 FT. ELSEWHERE 
WITHIN 25N85W TO 27N90W TO 29N90W TO 30N87W TO 28N84W TO 25N85W
WINDS 20 TO 33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 
25N85W TO 24N92W TO 29N91W TO 30N87W TO 28N84W TO 25N85W WINDS 
20 KT OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.24 HOUR FORECAST HURRICANE IDA INLAND NEAR 30.6N 91.1W. MAXIMUM
SUSTAINED WINDS 70 KT GUSTS 85 KT. TROPICAL STORM FORCE WINDS
WITHIN 100 NM NE QUADRANT...120 NM SE QUADRANT...80 NM SW
QUADRANT...AND 70 NM NW QUADRANT. SEAS 12 FT OR GREATER WITHIN 
150 NM S SEMICIRCLE WITH SEAS TO 14 FT. ELSEWHERE WITHIN 27N89W 
TO 28N92W TO 29N92W TO 30N89W TO 30N88W TO 27N89W WINDS 20 TO 
33 KT. SEAS 10 TO 12 FT. REMAINDER OF AREA WITHIN 26N89W TO 
27N90W TO 28N92W TO 30N88W TO 29N86W TO 26N89W WINDS 20 KT 
OR LESS. SEAS 8 TO 10 FT IN MIXED SWELL.
.36 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 32.2N 91.0W.
MAXIMUM SUSTAINED WINDS 45 KT GUSTS 55 KT.
.48 HOUR FORECAST TROPICAL DEPRESSION IDA INLAND NEAR 33.8N
90.0W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. OVER FORECAST 
WATERS WINDS 20 KT OR LESS. SEAS LESS THAN 8 FT.
.72 HOUR FORECAST TROPICAL DEPRESSION IDA INLAND NEAR 36.7N
85.2W. MAXIMUM SUSTAINED WINDS 20 KT GUSTS 30 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST POST-TROPICAL IDA NEAR 38.9N 78.9W. MAXIMUM
SUSTAINED WINDS 20 KT GUSTS 30 KT.
.120 HOUR FORECAST...DISSIPATED.

...ATLANTIC TROPICAL STORM WARNING...
.TROPICAL DEPRESSION TEN NEAR 17.3N 49.8W 1007 MB AT 0900 UTC
AUG 29 MOVING N OR 360 DEG AT 9 KT. MAXIMUM SUSTAINED WINDS 30
KT GUSTS 40 KT. WITHIN 16N48W TO 16N50W TO 18N50W TO 18N49W TO 
16N48W WINDS 20 TO 30 KT. SEAS 8 TO 10 FT.
.24 HOUR FORECAST TROPICAL STORM TEN NEAR 19.9N 49.8W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 0 NM W SEMICIRCLE...30 NM NE QUADRANT AND 20 NM SE
QUADRANT. SEAS TO 11 FT. ELSEWHERE WITHIN 20N49W TO 19N49W TO 
20N51W TO 21N51W TO 21N49W TO 20N49W WINDS 20 TO 33 KT. SEAS 
8 TO 10 FT.
.48 HOUR FORECAST TROPICAL STORM TEN NEAR 22.7N 48.9W. MAXIMUM
SUSTAINED WINDS 35 KT GUSTS 45 KT. TROPICAL STORM FORCE WINDS
WITHIN 40 NM E SEMICIRCLE AND 0 NM W SEMICIRCLE. SEAS TO 11 FT. 
ELSEWHERE WITHIN 23N48W TO 22N48W TO 22N50W TO 24N50W TO 24N48W 
TO 23N48W WINDS 20 TO 33 KT. SEAS 8 TO 10 FT.
.72 HOUR FORECAST TROPICAL STORM TEN NEAR 25.6N 49.3W. MAXIMUM
SUSTAINED WINDS 40 KT GUSTS 50 KT.
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE.
.96 HOUR FORECAST TROPICAL STORM TEN NEAR 29.0N 50.5W. MAXIMUM
SUSTAINED WINDS 45 KT GUSTS 55 KT.
.120 HOUR FORECAST TROPICAL STORM TEN NEAR 32.0N 51.0W. MAXIMUM
SUSTAINED WINDS 50 KT GUSTS 60 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.

.CARIBBEAN WITHIN 12N73W TO 11N76W TO 13N76W TO 14N74W TO 13N73W
TO 12N73W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.24 HOUR FORECAST WITHIN 12N74W TO 11N75W TO 12N76W TO 13N76W TO
13N74W TO 12N74W NE TO E WINDS 20 TO 25 KT. SEAS 8 TO 9 FT.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

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

$$
.FORECASTER ERA. NATIONAL HURRICANE CENTER.