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 07:05 AM and sunset is at 05:37 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Fri morning, min 20°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Mon afternoon, min 12°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 22°C on Sat afternoon, min 14°C on Wed night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Tue night. Warm (max 23°C on Sun morning, min 20°C on Mon night). Winds increasing (light winds from the E on Sat night, fresh winds from the NE by Tue night).

Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
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
Wave Height Map
High Tide
1:39PM0.59m
2:15AM0.58m
2:31PM0.59m
3:18AM0.59m
3:29PM0.59m
4:23AM0.61m
4:29PM0.59m
5:27AM0.63m
5:30PM0.61m
6:28AM0.67m
6:30PM0.63m
7:25AM0.69m
7:28PM0.65m
8:20AM0.72m
8:25PM0.67m
9:12AM0.73m
9:19PM0.68m
10:02AM0.73m
10:12PM0.68m
10:50AM0.71m
11:04PM0.66m
11:38AM0.69m
Low Tide
8:00AM0.09m
8:33PM0.06m
8:57AM0.10m
9:29PM0.04m
9:59AM0.11m
10:29PM0.01m
11:04AM0.11m
11:30PM-0.03m
12:07PM0.09m
00:31AM-0.07m
1:08PM0.07m
1:29AM-0.11m
2:07PM0.04m
2:25AM-0.13m
3:02PM0.01m
3:20AM-0.15m
3:55PM-0.02m
4:12AM-0.15m
4:46PM-0.04m
5:03AM-0.13m
5:36PM-0.04m
5:53AM-0.09m
6:25PM-0.04m
Wave
height (m) 
direction
period (s) 
0.3
N
2
0.3
NE
11
0.3
NE
10
0.1
NE
12
0.1
NE
12
0.1
NE
11
0.1
NE
11
0.1
NE
11
0.1
NE
11
0.1
NE
13
0.3
NE
12
0.3
NE
11
0.3
NE
10
0.1
NE
11
0.6
NW
3
0.5
NNW
3
0.4
NE
7
0.4
N
3
0.4
NNW
3
0.2
ENE
6
0.3
NNE
3
0.4
N
3
0.3
NE
3
0.4
NE
3
0.4
ENE
3
0.4
ENE
3
0.5
E
4
0.4
ENE
4
0.3
ENE
4
0.5
ENE
4
0.6
NE
4
0.7
NE
4
0.8
NNE
4
0.9
NE
6
1.1
NE
7
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
some clouds
clear
 km/h
15
N
15
E
10
WSW
10
NW
10
ESE
5
SW
5
NNE
10
SE
5
WSW
5
W
15
S
15
WNW
15
NW
20
WNW
25
NNW
20
NNW
10
NE
15
N
15
NNW
10
NNE
15
N
15
N
15
NE
15
NNE
15
NE
15
ENE
20
E
10
E
15
ENE
20
NE
20
NNE
25
NE
20
N
30
NNE
30
NE
 mm 
max°C
24
24
23
24
24
22
23
23
23
24
25
22
24
23
20
17
19
17
18
20
17
19
21
20
21
22
22
23
23
23
23
23
22
23
22
Moonrise
11:31
12:03
12:37
1:15
1:58
2:50
3:50
4:57
6:07
7:17
8:23
Moonset
11:48
12:47
1:50
2:56
4:06
5:17
6:26
7:29
8:22
9:07
9:45
Sunrise
7:05
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:07
7:07
7:07
Sunset
5:37
5:37
5:38
5:38
5:39
5:39
5:40
5:42
5:43
5:43
5:44
5:45
Today's sea temperature in Key Biscayne is
24.2° C
(Statistics for 26 Dec 1981-2005 – mean: 24.0 max: 25.7 min: 22.0°C)
Issued (local time): 12 am Friday 26 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest