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 06:50 AM and sunset is at 07:51 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Fri morning, min 24°C on Fri morning). Mainly strong winds.

Days 4–6 Weather Summary

Light rain (total 6mm), mostly falling on Tue morning. Warm air temperatures (max 25°C on Mon afternoon, min 24°C on Mon morning). Mainly strong winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 26°C on Fri afternoon, min 25°C on Thu morning). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 26°C on Sun afternoon, min 25°C on Sun morning). Wind will be generally light.

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
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
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
5:24AM0.34m
4:21PM0.54m
6:07AM0.41m
5:51PM0.51m
6:43AM0.50m
7:11PM0.49m
7:18AM0.59m
8:18PM0.48m
7:54AM0.67m
9:16PM0.46m
8:32AM0.74m
10:08PM0.43m
Low Tide
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
10:15AM0.21m
11:36PM-0.01m
11:42AM0.12m
00:20AM0.02m
12:49PM0.02m
1:00AM0.05m
1:47PM-0.09m
1:37AM0.07m
2:39PM-0.17m
2:15AM0.10m
3:29PM-0.23m
2:52AM0.12m
Wave
height (m) 
direction
period (s) 
0.5
E
3
0.7
E
3
0.8
E
4
0.9
E
4
1.1
E
4
1.1
E
4
1
E
4
0.9
E
4
0.9
E
4
0.9
ESE
4
0.7
E
3
0.9
ESE
4
0.9
ESE
4
0.7
ESE
3
0.6
E
3
0.6
E
3
0.5
E
3
0.6
ESE
3
0.5
E
3
0.4
ESE
3
0.5
ESE
3
0.4
ESE
3
0.4
ESE
3
0.5
SE
3
0.4
SE
2
0.4
SE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.5
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.5
ESE
3
clear
clear
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
clear
thunderstorm
thunderstorm
part cloud
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
some clouds
rain shwrs
clear
risk tstorm
risk tstorm
some clouds
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
25
E
35
ENE
35
E
40
E
40
E
40
E
35
E
40
E
35
E
35
ESE
30
E
35
ESE
35
E
30
E
25
ESE
25
ENE
25
E
30
ESE
20
E
20
ESE
25
ESE
20
ESE
20
ESE
20
SE
15
SE
20
SE
20
ESE
25
ESE
25
ESE
25
ESE
25
ESE
20
ESE
20
ESE
25
ESE
15
E
25
ESE
 mm 
1.0
2.0
3
max°C
25
24
24
24
24
25
25
24
24
24
25
24
25
25
25
25
25
25
25
25
25
25
26
26
26
26
26
25
26
26
26
26
26
26
26
26
Moonrise
10:40
11:41
12:38
1:31
2:20
3:02
3:41
4:18
4:54
5:30
6:09
Moonset
8:25
9:13
10:08
11:08
12:12
1:17
2:22
3:26
4:29
5:33
6:38
7:44
Sunrise
6:50
6:50
6:50
6:48
6:48
6:48
6:47
6:46
6:46
6:45
6:43
6:43
Sunset
7:51
7:52
7:52
7:52
7:52
7:52
7:53
7:53
7:54
7:54
7:55
7:55
Today's sea temperature in Grassy Key (South) is 26.5 °C (Statistics for 26 Apr 1981-2005 – mean: 25.6 max: 27.6 min: 23.8°C)
Nearest