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 06:54 AM and sunset is at 05:30 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Tue morning. Warm air temperatures (max 29°C on Mon morning, min 22°C on Tue afternoon). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Wed afternoon. Warm air temperatures (max 26°C on Thu afternoon, min 21°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Light rain (total 8mm), mostly falling on Sat morning. Warm (max 25°C on Sat morning, min 15°C on Sat night). Winds increasing (light winds from the SW on Fri night, fresh winds from the N by Sat night).

Days 10–12 Weather Summary

Mostly dry. Warm (max 22°C on Wed night, min 12°C on Mon night). Winds increasing (light winds from the NNE on Mon night, fresh winds from the NNE by Tue afternoon).

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
11:07AM0.80m
11:17PM0.72m
12:00PM0.76m
00:15AM0.68m
12:54PM0.71m
1:15AM0.65m
1:50PM0.67m
2:19AM0.62m
2:47PM0.63m
3:24AM0.60m
3:43PM0.61m
4:27AM0.59m
4:36PM0.59m
5:25AM0.60m
5:26PM0.58m
6:16AM0.61m
6:11PM0.58m
7:01AM0.62m
6:54PM0.58m
7:43AM0.64m
7:34PM0.58m
8:22AM0.65m
Low Tide
5:52PM0.06m
6:09AM-0.03m
6:47PM0.08m
7:05AM0.02m
7:45PM0.10m
8:04AM0.08m
8:44PM0.11m
9:05AM0.12m
9:43PM0.12m
10:07AM0.16m
10:41PM0.11m
11:07AM0.18m
11:34PM0.10m
12:03PM0.19m
00:23AM0.09m
12:54PM0.19m
1:07AM0.07m
1:39PM0.18m
1:48AM0.05m
2:21PM0.17m
2:27AM0.03m
3:01PM0.16m
Wave
height (m) 
direction
period (s) 
0.1
NE
10
0.2
ESE
2
0.3
NE
6
0.2
ENE
6
0.4
SW
2
0.3
NW
2
0.7
NE
4
0.6
ENE
6
1
ENE
5
0.5
ENE
4
0.4
NE
9
0.3
NE
9
0.2
ENE
10
0.1
NE
10
0.1
NE
9
0.1
NE
9
0.1
NE
9
0.2
ESE
2
0.1
NE
9
0.1
NE
8
1
N
4
1.5
NE
8
1.5
NE
7
1.1
ENE
5
0.9
ENE
4
0.8
ENE
5
0.5
NE
8
1
N
4
1.4
NE
8
1.3
NE
8
1.2
ENE
5
1.1
ENE
5
1.1
E
5
1.1
E
5
1.1
E
5
part cloud
part cloud
clear
part cloud
part cloud
part cloud
light rain
rain showers
part cloud
part cloud
thunderstorm
clear
clear
part cloud
clear
part cloud
part cloud
light rain
thunderstorm
thunderstorm
cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
clear
part cloud
part cloud
part cloud
cloud
some clouds
some clouds
clear
some clouds
some clouds
some clouds
light rain
rain shwrs
some clouds
some clouds
risk tstorm
clear
clear
some clouds
clear
some clouds
some clouds
light rain
risk tstorm
risk tstorm
cloudy
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
cloudy
clear
some clouds
some clouds
some clouds
cloudy
 km/h
10
SE
20
SSE
15
SW
15
W
25
W
15
N
25
NE
20
ENE
25
ENE
15
E
10
ESE
10
WNW
10
NNW
10
SE
5
WSW
5
SE
15
SE
15
SSE
10
WSW
10
NNW
30
N
35
NNE
35
NE
25
ENE
25
ENE
15
NE
25
NNW
30
N
35
NNE
30
NE
25
NE
30
ENE
25
ENE
25
E
25
E
 mm 
2
2
1
1
5
2
max°C
26
26
25
29
29
25
23
23
24
24
24
24
25
26
24
24
25
24
25
25
19
19
19
20
22
22
21
16
17
19
20
21
22
22
22
Moonrise
8:33
9:39
10:41
11:38
12:32
1:25
2:17
3:09
4:03
4:58
5:54
Moonset
9:47
10:35
11:16
11:50
12:21
12:51
1:20
1:49
2:21
2:56
3:35
4:20
Sunrise
6:54
6:54
6:56
6:56
6:56
6:56
6:58
6:58
6:58
7:00
7:00
7:01
Sunset
5:30
5:30
5:30
5:30
5:30
5:30
5:30
5:31
5:31
5:31
5:32
5:32
Today's sea temperature in Key Biscayne is
25.4° C
(Statistics for 07 Dec 1981-2005 – mean: 25.0 max: 26.4 min: 23.6°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest