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 — and sunset is at 05:32 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 29°C on Fri afternoon, min 21°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun afternoon, min 22°C on Sun night). Mainly fresh winds.

Days 8–10 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 24°C on Sat morning, min 22°C on Wed night). Mainly fresh winds.

Days 11–13 Weather Summary

Mostly dry. Warm (max 23°C on Sat afternoon, min 21°C on Sat night). Wind will be generally light.

Thu
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
Wave Height Map
High Tide
8:13PM0.59m
9:00AM0.66m
8:52PM0.59m
9:37AM0.66m
9:30PM0.59m
10:14AM0.66m
10:10PM0.59m
10:51AM0.64m
10:51PM0.58m
11:29AM0.63m
11:35PM0.58m
12:09PM0.62m
00:23AM0.57m
12:52PM0.60m
1:16AM0.57m
1:39PM0.59m
2:15AM0.58m
2:31PM0.59m
3:18AM0.59m
3:29PM0.59m
4:23AM0.61m
4:29PM0.59m
5:27AM0.63m
Low Tide
3:01PM0.16m
3:05AM0.02m
3:40PM0.14m
3:43AM0.01m
4:18PM0.14m
4:21AM0.01m
4:55PM0.13m
5:00AM0.02m
5:33PM0.12m
5:40AM0.03m
6:13PM0.11m
6:23AM0.05m
6:55PM0.10m
7:09AM0.07m
7:42PM0.09m
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
Wave
height (m) 
direction
period (s) 
0.6
E
4
0.3
ESE
4
0.2
ESE
3
0.1
SE
3
0.3
NW
2
0.4
NNE
3
0.4
ENE
4
0.5
ENE
4
0.4
ENE
4
0.6
ENE
4
0.8
ENE
5
1.3
ENE
5
1.3
ENE
6
1.6
ENE
6
1.4
ENE
6
1.5
ENE
6
1.2
ENE
6
1
ENE
5
1.2
ENE
5
1.1
ENE
5
1
ENE
5
1
ENE
5
0.9
ENE
5
0.6
E
4
0.5
ENE
4
0.4
ENE
4
0.4
ENE
4
0.4
NE
4
0.4
NE
3
0.2
ENE
3
0.2
ENE
3
0.2
ENE
3
0.1
E
2
0.1
E
2
0.2
ESE
2
0.3
ESE
3
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
part cloud
cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
part cloud
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
cloudy
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
some clouds
 km/h
15
SSE
15
SSE
10
WSW
10
W
15
NNW
15
NNE
15
E
15
E
20
NE
25
NE
20
NE
35
ENE
35
ENE
30
ENE
35
ENE
35
ENE
25
ENE
25
ENE
30
ENE
25
ENE
30
ENE
30
ENE
20
E
15
ENE
20
ENE
15
ENE
15
NE
20
ENE
10
ENE
10
N
15
E
0
NE
5
NE
10
ESE
10
SE
20
SE
 mm 
1
max°C
25
24
28
29
27
25
24
24
24
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
23
24
23
23
23
23
22
23
23
22
23
Moonrise
6:48
7:41
8:29
9:12
9:51
10:27
10:59
11:31
12:03
12:37
1:15
1:58
Moonset
4:20
5:10
6:04
7:01
7:59
8:57
9:54
10:51
11:48
12:47
1:50
2:56
Sunrise
7:01
7:01
7:03
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:05
Sunset
5:32
5:34
5:34
5:35
5:35
5:36
5:36
5:37
5:37
5:37
5:38
5:38
Today's sea temperature in Key Biscayne is
24.4° C
(Statistics for 18 Dec 1981-2005 – mean: 24.5 max: 25.9 min: 22.2°C)
Issued (local time): 6 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest