Grassy Key (North) Sea Conditions and Tide Table

Grassy Key (North) 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 06:22 PM.

Days 1–3 Weather Summary

Some drizzle, heaviest during Sat morning. Warm air temperatures (max 20°C on Sat morning, min 16°C on Sat night). Winds decreasing (fresh winds from the NNW on Sat night, calm by Sun afternoon).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Wed night, min 21°C on Tue morning). Winds decreasing (fresh winds from the ESE on Tue night, light winds from the E by Thu afternoon).

Days 7–9 Weather Summary

Mostly dry. Warm (max 22°C on Fri morning, min 20°C on Fri night). Mainly strong winds.

Days 10–12 Weather Summary

Some drizzle, heaviest during Mon morning. Warm (max 23°C on Tue afternoon, min 22°C on Mon morning). Mainly strong winds.

Saturday
24
Sunday
25
Monday
26
Tuesday
27
Wednesday
28
Thursday
29
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wednesday
6
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
3:54PM0.23m
3:45AM0.36m
4:14PM0.26m
4:22AM0.34m
4:41PM0.29m
5:00AM0.32m
5:12PM0.31m
5:39AM0.30m
5:44PM0.33m
6:21AM0.27m
6:18PM0.34m
7:05AM0.23m
6:56PM0.35m
7:55AM0.20m
7:40PM0.35m
8:53AM0.16m
8:31PM0.36m
10:06AM0.14m
9:33PM0.36m
10:44PM0.37m
3:28PM0.16m
11:59PM0.39m
Low Tide
10:23AM-0.05m
10:08PM0.02m
10:55AM-0.03m
10:48PM0.01m
11:24AM-0.00m
11:27PM0.00m
11:49AM0.02m
00:06AM-0.00m
12:05PM0.06m
00:48AM-0.00m
11:58AM0.09m
1:36AM0.00m
11:38AM0.10m
2:41AM0.01m
11:43AM0.11m
3:59AM0.00m
11:58AM0.12m
5:15AM-0.01m
12:15PM0.12m
6:21AM-0.03m
7:17AM-0.06m
6:11PM0.14m
Wave
height (m) 
direction
period (s) 
0.4
W
3
0.4
WNW
3
0.7
NNW
3
0.3
NNE
3
0.1
W
3
0.1
W
2
0.1
NE
2
0.3
E
3
0.3
ESE
3
0.5
E
3
0.5
E
3
0.5
E
3
0.7
ESE
3
0.7
ESE
3
0.5
ESE
3
0.4
ESE
3
0.3
ESE
2
0.3
E
3
0.6
ENE
3
0.9
ENE
4
1.1
E
4
1.2
E
4
1
E
4
1
E
4
0.9
ESE
4
0.9
E
4
1.2
ESE
4
1.3
ESE
4
1.3
ESE
4
1.3
ESE
4
1.3
ESE
4
1.2
ESE
4
1.2
ESE
4
1.3
ESE
4
1
ESE
4
1.3
ESE
4
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
part cloud
part cloud
rain showers
cloud
part cloud
cloud
cloud
clear
clear
clear
part cloud
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
some clouds
some clouds
rain shwrs
cloudy
some clouds
cloudy
cloudy
clear
clear
clear
some clouds
 km/h
20
NNW
30
NW
35
NNW
20
NNE
0
S
10
N
15
ENE
20
E
20
E
25
E
25
E
25
ESE
30
ESE
30
ESE
20
ESE
15
ESE
10
E
20
ENE
35
ENE
40
ENE
45
ENE
45
ENE
40
ENE
35
E
35
E
35
E
40
E
45
ESE
40
ESE
45
ESE
40
ESE
40
ESE
40
ESE
45
ESE
35
E
45
E
 mm 
1.0
1.0
max°C
20
20
19
17
18
18
20
20
20
21
21
21
22
22
23
23
23
23
22
21
21
21
21
22
22
22
22
22
22
22
22
23
23
22
23
22
Moonrise
6:41
7:32
8:21
9:12
10:03
10:57
11:54
12:53
1:54
2:55
3:53
Moonset
7:05
7:34
8:02
8:30
8:59
9:30
10:04
10:44
11:30
12:23
1:24
2:31
Sunrise
6:50
6:48
6:48
6:48
6:47
6:46
6:45
6:43
6:43
6:41
6:41
6:39
Sunset
6:22
6:22
6:23
6:24
6:24
6:25
6:25
6:27
6:27
6:28
6:28
6:29
Today's sea temperature in Grassy Key (North) is 20.7 °C (Statistics for 24 Feb 1981-2005 – mean: 23.6 max: 24.9 min: 22.5°C)
Nearest