Main Key, Barnes Sound Sea Conditions and Tide Table

Main Key, Barnes Sound 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 07:01 AM and sunset is at 05:35 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 27°C on Fri morning, min 23°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Tue morning. Warm air temperatures (max 24°C on Sun morning, min 21°C on Sun night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Wed morning, min 21°C on Wed night). Winds decreasing (fresh winds from the NE on Wed morning, light winds from the NE by Fri night).

Days 10–12 Weather Summary

Some drizzle, heaviest during Sun night. Warm (max 23°C on Sat morning, min 21°C on Sat night). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
12:27PM0.14m
00:28AM0.13m
1:08PM0.14m
1:08AM0.13m
1:47PM0.14m
1:47AM0.13m
2:27PM0.14m
2:27AM0.13m
3:06PM0.14m
3:08AM0.13m
3:45PM0.14m
3:52AM0.12m
4:24PM0.14m
4:38AM0.12m
5:05PM0.13m
5:29AM0.12m
5:49PM0.13m
6:26AM0.12m
6:37PM0.13m
7:27AM0.13m
7:32PM0.12m
8:32AM0.13m
8:33PM0.13m
Low Tide
7:24PM0.05m
7:34AM0.00m
8:02PM0.05m
8:11AM-0.00m
8:39PM0.04m
8:48AM-0.00m
9:17PM0.04m
9:25AM-0.00m
9:55PM0.04m
10:03AM0.00m
10:35PM0.04m
10:45AM0.01m
11:19PM0.03m
11:31AM0.02m
00:07AM0.02m
12:23PM0.02m
1:00AM0.01m
1:23PM0.03m
1:58AM0.00m
2:28PM0.04m
2:59AM-0.01m
3:33PM0.04m
3:59AM-0.03m
Wave
height (m) 
direction
period (s) 
0.8
E
4
0.6
ESE
4
0.4
SE
4
0.2
ESE
3
0.2
SSW
2
0.4
NW
2
0.3
NNE
3
0.5
ENE
4
0.6
ENE
4
0.5
ENE
4
0.7
NE
4
0.9
NE
4
1.3
NE
5
1.5
NE
6
1.8
ENE
7
1.8
ENE
6
1.5
ENE
6
1.3
ENE
5
1.3
ENE
5
1.3
ENE
5
1.2
ENE
5
0.9
ENE
5
0.7
ENE
4
0.8
ENE
4
0.6
ENE
4
0.5
E
4
0.5
E
4
0.4
ESE
4
0.5
E
4
0.5
E
4
0.6
ENE
4
0.6
ENE
4
0.7
ENE
4
1.1
ENE
5
0.9
ENE
5
0.8
ENE
4
part cloud
part cloud
cloud
part cloud
clear
clear
part cloud
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
rain showers
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
rain showers
part cloud
cloud
clear
some clouds
some clouds
cloudy
some clouds
clear
clear
some clouds
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
rain shwrs
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
rain shwrs
some clouds
cloudy
clear
 km/h
20
SE
15
SE
10
SSE
10
W
15
W
20
NNW
20
NE
20
E
15
ENE
20
ENE
25
NE
20
NE
35
NE
35
ENE
35
ENE
35
ENE
30
ENE
25
ENE
30
NE
30
ENE
25
ENE
25
ENE
20
ENE
20
ENE
20
E
15
ENE
15
ENE
15
NE
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
ENE
 mm 
1
1
max°C
24
24
24
27
27
24
24
24
23
24
23
22
23
23
23
23
23
22
23
23
22
23
23
23
23
23
23
23
23
22
23
22
23
22
22
22
Moonrise
5:53
6:48
7:40
8:28
9:12
9:51
10:27
11:00
11:32
12:04
12:38
1:16
Moonset
4:22
5:12
6:06
7:03
8:01
8:58
9:55
10:52
11:49
12:48
1:50
Sunrise
7:01
7:01
7:01
7:01
7:03
7:03
7:03
7:03
7:03
7:05
7:05
7:05
Sunset
5:35
5:35
5:36
5:36
5:37
5:37
5:37
5:37
5:38
5:39
5:39
5:40
Today's sea temperature in Main Key, Barnes Sound is
22.7° C
(Statistics for 18 Dec 1981-2005 – mean: 24.6 max: 26.1 min: 22.5°C)
Issued (local time): 6 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest