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 06:48 AM and sunset is at 07:52 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Wed morning. Warm air temperatures (max 25°C on Tue morning, min 23°C on Mon morning). Mainly fresh winds.

Days 4–6 Weather Summary

Some drizzle, heaviest during Sat night. Warm air temperatures (max 25°C on Thu afternoon, min 24°C on Thu morning). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 26°C on Tue afternoon, min 25°C on Sun morning). Winds decreasing (fresh winds from the E on Sun afternoon, calm by Tue afternoon).

Days 10–12 Weather Summary

Mostly dry. Warm (max 26°C on Wed afternoon, min 22°C on Sat morning). Winds increasing (calm on Thu night, strong winds from the E by Fri night).

Monday
29
Tuesday
30
Wednesday
1
Thursday
2
Friday
3
Saturday
4
Sunday
5
Monday
6
Tuesday
7
Wednesday
8
Thursday
9
Friday
10
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
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
9:10AM0.78m
10:56PM0.40m
9:51AM0.79m
11:42PM0.36m
10:33AM0.77m
00:27AM0.33m
Low Tide
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
4:18PM-0.24m
3:30AM0.14m
5:08PM-0.23m
5:58PM-0.18m
Wave
height (m) 
direction
period (s) 
0.8
ESE
4
0.6
ESE
3
0.7
ESE
3
0.6
ESE
3
0.4
ESE
3
0.6
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
E
3
0.3
E
3
0.5
E
3
0.4
ENE
3
0.5
E
3
0.5
E
3
0.6
E
3
0.5
E
3
0.6
E
3
0.6
E
3
0.6
ESE
3
0.6
E
3
0.6
ESE
3
0.6
ESE
3
0.4
SE
3
0.3
ESE
3
0.2
E
2
0.1
SE
2
0.1
E
2
0.1
SE
2
0.1
SE
2
0.1
SE
2
0.1
SE
2
0.1
S
2
0.1
NE
2
0
E
2
0.4
ESE
3
1
E
4
part cloud
part cloud
clear
clear
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
some clouds
some clouds
clear
clear
clear
clear
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
 km/h
35
E
25
E
25
ESE
25
ESE
20
ESE
25
ESE
20
E
20
E
15
ENE
20
ENE
25
E
25
ENE
25
E
30
ENE
30
E
25
ENE
30
E
25
E
30
E
25
E
25
ESE
20
ESE
15
ESE
15
SE
10
ENE
5
SE
10
ESE
15
SE
15
SE
10
SSE
5
ENE
5
SW
10
NW
5
ENE
30
E
40
E
 mm 
1.0
1.0
max°C
24
24
24
25
25
25
25
24
25
24
25
24
24
25
24
25
25
25
25
25
25
25
25
25
25
26
26
25
26
26
25
26
26
25
26
25
Moonrise
12:38
1:31
2:20
3:02
3:41
4:18
4:54
5:30
6:09
6:52
7:41
8:35
Moonset
11:08
12:12
1:17
2:22
3:26
4:29
5:33
6:38
7:44
8:52
9:59
11:02
Sunrise
6:48
6:48
6:48
6:47
6:46
6:46
6:45
6:43
6:43
6:43
6:41
6:41
Sunset
7:52
7:52
7:52
7:53
7:53
7:54
7:54
7:55
7:55
7:57
7:57
7:58
Today's sea temperature in Grassy Key (South) is 26.5 °C (Statistics for 29 Apr 1981-2005 – mean: 25.9 max: 27.6 min: 24.5°C)
Nearest