000
FZNT02 KNHC 272154
HSFAT2

HIGH SEAS FORECAST
NWS NATIONAL HURRICANE CENTER MIAMI FL
2230 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SUPERSEDED BY NEXT ISSUANCE IN 6 HOURS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 1800 UTC FRI AUG 27.
24 HOUR FORECAST VALID 1800 UTC SAT AUG 28.
48 HOUR FORECAST VALID 1800 UTC SUN AUG 29.

.WARNINGS.

...HURRICANE WARNING...
.HURRICANE IDA NEAR 22.1N 83.2W 985 MB AT 2100 UTC AUG 27 MOVING
NW OR 320 DEG AT 13 KT. MAXIMUM SUSTAINED WINDS 70 KT GUSTS 85
KT. TROPICAL STORM FORCE WINDS WITHIN 60 NM NW AND SE
QUADRANTS...80 NM NE QUADRANT AND 40 NM SW QUADRANT.  SEAS 12 FT
OR GREATER WITHIN 0 NM N SEMICIRCLE...120 NM SE QUADRANT AND 45
NM SW QUADRANT WITH SEAS TO 19 FT. ELSEWHERE WITHIN 22N83W TO 
21.5N83W TO 22N83.5W TO 22.5N82.5W TO 22N82.5W TO 22N83W SE TO S 
WINDS 20 TO 33 KT. SEAS 8 TO 11 FT.
.24 HOUR FORECAST HURRICANE IDA NEAR 25.3N 86.9W. MAXIMUM 
SUSTAINED WINDS 105 KT GUSTS 130 KT. TROPICAL STORM FORCE WINDS 
WITHIN 110 NM NE QUADRANT...90 NM SE QUADRANT...60 NM SW 
QUADRANT...AND 100 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 120 NM E AND W SEMICIRCLES WITH SEAS TO 34 FT. ELSEWHERE 
WITHIN 24N82W TO 21N86W TO 23N90W TO 29N88W TO 29N85W TO 
24N82W...INCLUDING THE STRAITS OF FLORIDA AND THE YUCATAN 
CHANNEL...SE WINDS 20 TO 33 KT. SEAS 8 TO 12 FT.
.48 HOUR FORECAST HURRICANE IDA NEAR 28.6N 90.6W. MAXIMUM 
SUSTAINED WINDS 120 KT GUSTS 145 KT. TROPICAL STORM FORCE WINDS 
WITHIN 120 NM NE QUADRANT...110 NM SE QUADRANT...70 NM SW 
QUADRANT...AND 90 NM NW QUADRANT. SEAS 12 FT OR GREATER 
WITHIN 240 NM E SEMICIRCLE AND 180 NM W SEMICIRCLE WITH SEAS TO 
36 FT. ELSEWHERE WITHIN 26N85W TO 26N91W TO 30N94W TO 28N89W TO 
30N86W TO 26N85W S WINDS 20 TO 33 KT. SEAS 12 TO 16 FT. REMAINDER
OF AREA WITHIN 26N85W TO 24N95W TO 30N93W TO 26N91W TO 30N86W TO
26N85W WINDS 20 KT OR LESS. SEAS 8 TO 11 FT IN NE TO E SWELL.
.72 HOUR FORECAST TROPICAL STORM IDA INLAND NEAR 31.5N 91.1W. 
MAXIMUM SUSTAINED WINDS 40 KT GUSTS 50 KT. 
EXTENDED OUTLOOK...USE FOR GUIDANCE ONLY...ERRORS MAY BE LARGE. 
.96 HOUR FORECAST TROPICAL DEPRESSION IDA INLAND NEAR 34.4N 
89.3W. MAXIMUM SUSTAINED WINDS 30 KT GUSTS 40 KT. 
.120 HOUR FORECAST POST-TROPICAL REMNANT LOW IDA NEAR 36.0N 
86.0W. 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 13N48W 1008 MB. WITHIN 11N47W TO 13N50W TO 
17N48W TO 18N46W TO 15N44W TO 11N47W E TO SE WINDS 20 TO 25 KT. 
SEAS 8 TO 10 FT. 
.24 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
16N47W 1009 MB. WITHIN 16N46W TO 15N48W TO 17N48W TO 18N47W TO 
17N45W TO 16N46W WINDS 20 KT OR LESS. SEAS 8 FT IN NE TO E SWELL.
.48 HOUR FORECAST LOW PRES...POSSIBLE TROPICAL CYCLONE...NEAR 
19N46W 1009 MB. CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.ATLC 06 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.
.12 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.
.24 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.
.30 HOUR FORECAST CONDITIONS IMPROVE. WINDS 20 KT OR LESS. SEAS
LESS THAN 8 FT.

.CARIBBEAN 03 HOUR FORECAST WITHIN 12N69W TO 11N72W TO 11N73W TO
13N73W TO 14N71W TO 12N69W NE TO E WINDS 20 TO 30 KT. SEAS LESS
THAN 8 FT.
.24 HOUR FORECAST WITHIN 12N69W TO 11N72W TO 11N73W TO 13N73W TO
14N71W TO 12N69W NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 FT.
.48 HOUR FORECAST WITHIN 12N69W TO 11N72W TO 11N73W TO 13N73W TO 
14N71W TO 12N69W NE TO E WINDS 20 TO 30 KT. SEAS LESS THAN 8 
FT. ELSEWHERE WITHIN 11N75W TO 11N76W TO 12N78W TO 13N77W TO 
13N75W TO 11N75W WINDS 20 KT OR LESS. SEAS 8 FT IN NE SWELL.

.CARIBBEAN 36 HOUR FORECAST WITHIN 16N86W TO 17N88W TO 18N86W TO
18N85W TO 16N86W...INCLUDING THE GULF OF HONDURAS...E TO SE 
WINDS 20 TO 25 KT. SEAS LESS THAN 8 FT. 
.42 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 RAMOS. NATIONAL HURRICANE CENTER.