Grassy Key (South) Sea Conditions and Tide Table

Grassy Key (South) Sea Conditions table showing wave height, swell direction and period.

High and low tide times are also provided on the table along with the moon phase and forecast weather. Sunrise today is at 06:56 AM and sunset is at 07:47 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Sun afternoon, min 22°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 8mm), mostly falling on Wed afternoon. Warm air temperatures (max 25°C on Tue afternoon, min 22°C on Tue morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 25°C on Fri night, min 24°C on Fri morning). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 25°C on Mon afternoon, min 24°C on Mon morning). Mainly fresh winds.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
7:54AM0.45m
8:15PM0.47m
8:11AM0.50m
8:54PM0.46m
8:34AM0.55m
9:31PM0.45m
9:01AM0.60m
10:08PM0.45m
9:29AM0.63m
10:47PM0.42m
10:00AM0.65m
11:27PM0.40m
10:33AM0.66m
00:11AM0.36m
11:10AM0.67m
00:59AM0.32m
11:52AM0.66m
1:56AM0.29m
12:42PM0.65m
3:05AM0.28m
1:42PM0.62m
4:23AM0.29m
2:55PM0.58m
Low Tide
1:57PM0.03m
2:10AM0.07m
2:38PM-0.02m
2:37AM0.09m
3:15PM-0.07m
3:01AM0.11m
3:51PM-0.10m
3:24AM0.13m
4:26PM-0.12m
3:46AM0.16m
5:03PM-0.13m
5:43PM-0.12m
6:31PM-0.11m
7:28PM-0.08m
5:30AM0.22m
8:34PM-0.05m
6:21AM0.23m
9:44PM-0.04m
8:10AM0.24m
10:45PM-0.02m
Wave
height (m) 
direction
period (s) 
0.2
ESE
2
0.3
SE
3
0.5
SE
3
0.4
SE
3
0.4
SE
3
0.2
ESE
2
0.1
SE
2
0.1
S
2
0.4
NNW
3
0.2
NNE
2
0.2
E
2
0.3
E
3
0.4
ESE
3
0.3
E
3
0.3
E
3
0.4
ESE
3
0.4
ESE
3
0.5
ESE
3
0.5
ESE
3
0.5
ESE
3
0.7
ESE
3
0.6
ESE
3
0.6
E
3
0.8
E
4
0.7
ESE
3
0.7
ESE
3
0.8
ESE
4
0.8
ESE
4
0.7
ESE
3
0.9
E
4
0.9
ESE
4
0.8
E
4
0.9
E
4
0.7
ESE
4
0.6
E
3
0.8
E
4
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
part cloud
thunderstorm
rain showers
thunderstorm
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
some clouds
risk tstorm
rain shwrs
risk tstorm
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
clear
some clouds
clear
clear
 km/h
15
ESE
15
ESE
25
SE
25
SE
15
SE
15
SE
10
SE
10
WSW
25
N
15
NE
20
E
20
E
25
E
15
E
20
ESE
25
ESE
25
ESE
25
ESE
25
ESE
25
E
30
E
25
E
30
E
35
E
30
E
30
E
35
E
35
E
30
E
35
E
40
E
35
ENE
40
E
30
E
25
E
35
E
 mm 
4
3
1.0
max°C
24
24
24
24
25
25
25
25
25
23
25
24
24
24
24
24
24
24
24
24
25
25
25
24
24
24
24
24
25
25
24
24
25
25
25
25
Moonrise
5:13
6:03
6:54
7:47
8:42
9:40
10:40
11:41
12:38
1:31
2:20
Moonset
5:08
5:36
6:05
6:34
7:07
7:43
8:25
9:13
10:08
11:08
12:12
1:17
Sunrise
6:56
6:56
6:54
6:54
6:52
6:52
6:50
6:50
6:50
6:48
6:48
6:48
Sunset
7:47
7:49
7:49
7:50
7:50
7:51
7:51
7:52
7:52
7:52
7:52
7:52
Today's sea temperature in Grassy Key (South) is 24.6 °C (Statistics for 20 Apr 1981-2005 – mean: 25.2 max: 27.2 min: 23.8°C)
Nearest