Key Biscayne Sea Conditions and Tide Table

Key Biscayne 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 07:33 AM and sunset is at 07:27 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Warm air temperatures (max 28°C on Thu afternoon, min 24°C on Wed morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 26mm), heaviest during Mon afternoon. Warm air temperatures (max 28°C on Mon afternoon, min 23°C on Mon night). Wind will be generally light.

Days 7–9 Weather Summary

Moderate rain (total 19mm), heaviest on Tue afternoon. Warm (max 25°C on Tue afternoon, min 21°C on Thu morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 22°C on Fri morning). Winds increasing (light winds from the NNE on Fri morning, fresh winds from the E by Sat morning).

Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thu
26
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
High Tide
3:49PM0.43m
4:58AM0.46m
4:56PM0.43m
6:02AM0.47m
6:04PM0.44m
6:58AM0.50m
7:05PM0.48m
7:47AM0.53m
7:57PM0.53m
8:29AM0.56m
8:44PM0.58m
9:09AM0.60m
9:28PM0.63m
9:47AM0.63m
10:11PM0.67m
10:26AM0.65m
10:54PM0.69m
11:06AM0.66m
11:39PM0.70m
11:48AM0.66m
00:26AM0.69m
12:33PM0.64m
1:17AM0.66m
1:23PM0.61m
2:13AM0.62m
2:19PM0.57m
3:16AM0.59m
3:26PM0.54m
Low Tide
10:33AM0.16m
10:53PM0.07m
11:40AM0.17m
11:58PM0.07m
12:45PM0.16m
1:02AM0.06m
1:42PM0.12m
1:58AM0.03m
2:29PM0.07m
2:47AM-0.00m
3:12PM0.02m
3:32AM-0.03m
3:52PM-0.03m
4:14AM-0.06m
4:32PM-0.08m
4:56AM-0.07m
5:12PM-0.12m
5:38AM-0.07m
5:54PM-0.14m
6:22AM-0.05m
6:38PM-0.14m
7:08AM-0.02m
7:26PM-0.12m
7:58AM0.01m
8:19PM-0.09m
8:55AM0.05m
9:19PM-0.05m
10:00AM0.09m
Wave
height (m) 
direction
period (s) 
0.6
ESE
4
0.6
ESE
4
0.6
E
4
0.6
ESE
4
0.6
SSE
3
0.2
ESE
3
0.2
N
2
0.3
NE
8
0.4
NE
8
0.5
NE
8
0.6
ESE
4
0.8
ESE
4
1.1
ESE
5
0.9
ESE
5
0.7
ESE
5
0.6
ESE
5
0.6
SSE
3
0.3
SE
4
0.2
ESE
4
0.3
NNE
3
0.7
NE
4
0.5
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
8
0.4
NE
5
0.4
NE
7
0.4
NE
7
0.4
NE
7
0.8
E
4
1
E
5
1
E
5
1.1
E
5
1
E
5
0.9
ESE
5
1
E
5
0.9
ESE
5
0.9
ESE
5
1.1
ESE
5
0.9
ESE
5
0.6
ESE
5
0.3
SE
4
0.3
SE
4
0.4
SE
4
0.4
SE
3
0.6
SE
4
0.6
SE
4
clear
clear
clear
clear
part cloud
thunderstorm
clear
clear
thunderstorm
thunderstorm
part cloud
thunderstorm
cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
part cloud
clear
thunderstorm
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
some clouds
risk tstorm
clear
clear
risk tstorm
risk tstorm
some clouds
risk tstorm
cloudy
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
some clouds
clear
risk tstorm
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
clear
risk tstorm
clear
clear
 km/h
20
ESE
20
SE
20
SE
20
SSE
30
SSW
10
NW
15
ENE
15
SE
15
SE
15
SE
20
SE
25
ESE
30
SE
20
SSE
15
SSE
15
SSW
15
S
5
NNW
10
NNE
15
NNE
20
NE
10
ENE
20
SE
15
NW
15
N
15
E
10
E
10
ENE
20
ESE
25
E
30
E
25
E
25
E
25
ESE
25
ESE
25
ESE
25
ESE
20
ESE
25
SE
25
SSE
20
SSE
10
S
10
SSE
20
SE
15
SE
25
SSE
20
SSE
 mm 
1
2
2
2
2
4
1
11
4
8
8
3
2
6
3
3
7
2
max°C
25
25
24
25
28
27
25
25
25
25
26
25
25
25
25
26
28
26
24
25
23
24
25
25
22
25
23
23
23
23
23
23
23
23
24
24
24
25
25
25
26
25
26
26
25
26
26
Moonrise
2:16
3:08
3:57
4:41
5:21
5:58
6:32
7:05
7:38
8:13
8:52
9:35
10:25
11:22
12:24
1:30
Moonset
12:36
1:30
2:26
3:24
4:24
5:23
6:22
7:22
8:23
9:27
10:34
11:42
12:51
1:57
2:56
Sunrise
7:33
7:33
7:31
7:31
7:30
7:28
7:28
7:26
7:26
7:24
7:24
7:22
7:22
7:20
7:20
7:18
Sunset
7:27
7:28
7:28
7:29
7:29
7:30
7:30
7:30
7:30
7:30
7:31
7:31
7:32
7:32
7:34
7:34
Today's sea temperature in Key Biscayne is
24.9° C
(Statistics for 11 Mar 1981-2005 – mean: 23.6 max: 26.0 min: 21.9°C)
Issued (local time): 1 am Wednesday 11 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest