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 07:09 AM and sunset is at 05:49 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Warm air temperatures (max 25°C on Wed afternoon, min 18°C on Wed night). Wind will be generally light.

Days 4–6 Weather Summary

Some drizzle, heaviest during Thu morning. Warm air temperatures (max 22°C on Thu morning, min 7°C on Thu night). Winds decreasing (fresh winds from the NW on Thu afternoon, light winds from the ENE by Fri night).

Days 7–9 Weather Summary

Mostly dry. Warm (max 24°C on Sun afternoon, min 7°C on Mon morning). Mainly fresh winds.

Days 10–12 Weather Summary

Some drizzle, heaviest during Thu night. Warm (max 24°C on Fri morning, min 19°C on Wed morning). Wind will be generally light.

Monday
12
Tuesday
13
Wednesday
14
Thursday
15
Friday
16
Saturday
17
Sunday
18
Monday
19
Tuesday
20
Wednesday
21
Thursday
22
Friday
23
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
4:31PM0.48m
5:32AM0.51m
5:23PM0.47m
6:25AM0.52m
6:14PM0.48m
7:12AM0.54m
7:02PM0.49m
7:55AM0.56m
7:48PM0.51m
8:35AM0.58m
8:30PM0.53m
9:13AM0.59m
9:12PM0.55m
9:49AM0.60m
9:52PM0.56m
10:25AM0.60m
10:34PM0.57m
11:01AM0.60m
11:17PM0.58m
11:39AM0.59m
00:02AM0.58m
12:20PM0.58m
00:52AM0.57m
Low Tide
11:12AM0.15m
11:33PM0.04m
12:09PM0.15m
00:24AM0.02m
1:03PM0.14m
1:12AM0.01m
1:51PM0.12m
1:57AM-0.01m
2:35PM0.10m
2:40AM-0.03m
3:15PM0.07m
3:21AM-0.05m
3:53PM0.05m
4:01AM-0.06m
4:30PM0.02m
4:41AM-0.06m
5:07PM-0.00m
5:20AM-0.05m
5:46PM-0.02m
6:02AM-0.04m
6:26PM-0.04m
6:46AM-0.02m
7:11PM-0.05m
Wave
height (m) 
direction
period (s) 
1
ENE
6
0.6
NE
7
0.6
ENE
4
0.5
ENE
4
0.5
ENE
4
0.4
ENE
3
0.3
E
3
0.4
SSE
3
0.4
W
3
0.4
WSW
2
0.8
WNW
4
0.9
NW
4
0.7
NE
8
0.6
NE
8
0.6
NE
8
0.4
NE
7
0.4
ENE
3
0.4
NE
4
0.3
NE
4
0.1
NE
3
0.5
W
3
0.7
NW
4
0.6
NE
7
0.6
NE
8
0.4
NE
8
0.3
NE
7
0.5
NNE
3
0.8
ENE
4
0.8
ENE
4
0.8
ENE
4
0.9
E
4
0.9
E
5
0.6
E
4
0.5
ESE
4
0.4
ESE
4
0.4
ESE
4
part cloud
rain showers
rain showers
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
clear
rain showers
part cloud
clear
clear
clear
cloud
cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
part cloud
rain showers
part cloud
clear
clear
some clouds
rain shwrs
rain shwrs
risk tstorm
risk tstorm
clear
risk tstorm
risk tstorm
clear
rain shwrs
some clouds
clear
clear
clear
cloudy
cloudy
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
some clouds
rain shwrs
some clouds
clear
clear
 km/h
25
NE
20
ENE
15
E
15
E
15
ESE
15
SE
15
SW
15
SW
20
WNW
25
WSW
35
NW
30
NNW
15
N
15
ENE
20
ESE
15
NE
15
NE
10
NNE
10
NNW
15
WNW
35
NW
25
NNW
15
N
15
NNW
15
NNW
10
NNE
15
N
20
ENE
20
ENE
20
E
20
E
20
E
15
SE
10
ENE
10
E
5
E
 mm 
2
5
2
1
2
1
1
1
max°C
23
23
22
23
23
23
24
25
21
22
21
13
16
18
19
20
20
20
22
24
19
11
14
12
15
18
16
20
21
22
23
23
23
24
24
23
Moonrise
1:56
2:51
3:46
4:41
5:35
6:25
7:10
7:51
8:28
9:02
9:34
10:05
Moonset
12:55
1:32
2:15
3:03
3:56
4:53
5:52
6:51
7:49
8:46
9:44
10:42
Sunrise
7:09
7:09
7:09
7:09
7:09
7:07
7:07
7:07
7:07
7:07
7:07
7:07
Sunset
5:49
5:50
5:51
5:51
5:52
5:52
5:53
5:54
5:54
5:55
5:57
5:58
Today's sea temperature in Key Biscayne is
23.0° C
(Statistics for 12 Jan 1981-2005 – mean: 23.5 max: 25.1 min: 22.0°C)
Issued (local time): 12 pm Monday 12 Jan 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest