Key Biscayne Yacht Club, Biscayne Bay Sea Conditions and Tide Table

Key Biscayne Yacht Club, Biscayne Bay 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 07:01 AM and sunset is at 05:32 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 28°C on Fri afternoon, min 23°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 23°C on Sun morning, min 22°C on Sun night). Winds increasing (moderate winds from the NE on Sun morning, strong winds from the ENE by Mon afternoon).

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Wed morning, min 22°C on Wed afternoon). Winds decreasing (fresh winds from the ENE on Wed morning, light winds from the ENE by Fri night).

Days 10–12 Weather Summary

Light rain (total 3mm), mostly falling on Sun night. Warm (max 23°C on Sat morning, min 22°C on Sat afternoon). Wind will be generally light.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
8:07AM0.63m
8:08PM0.58m
8:48AM0.64m
8:48PM0.58m
9:27AM0.64m
9:27PM0.58m
10:07AM0.64m
10:07PM0.58m
10:46AM0.64m
10:48PM0.57m
11:25AM0.63m
11:32PM0.57m
12:04PM0.62m
00:18AM0.56m
12:45PM0.61m
1:09AM0.56m
1:29PM0.59m
2:06AM0.57m
2:17PM0.58m
3:07AM0.58m
3:12PM0.57m
4:12AM0.60m
4:13PM0.57m
5:17AM0.62m
Low Tide
2:39PM0.12m
2:49AM0.01m
3:17PM0.12m
3:26AM-0.00m
3:54PM0.11m
4:03AM-0.01m
4:32PM0.11m
4:40AM-0.01m
5:10PM0.10m
5:18AM0.00m
5:50PM0.09m
6:00AM0.02m
6:34PM0.08m
6:46AM0.04m
7:22PM0.06m
7:38AM0.06m
8:15PM0.03m
8:38AM0.09m
9:13PM0.00m
9:43AM0.10m
10:14PM-0.03m
10:48AM0.09m
11:14PM-0.07m
Wave
height (m) 
direction
period (s) 
0.9
ENE
5
0.7
E
5
0.4
NE
6
0.3
NNE
6
0.2
NNE
8
0.3
NW
2
0.6
N
4
0.7
NNE
4
0.8
N
5
0.7
NE
4
0.9
NNE
4
1.1
NNE
5
1.7
NNE
6
2.1
NE
6
2.5
NE
7
2.4
NE
7
1.8
NE
6
1.6
NE
6
1.5
NE
5
1.4
NE
6
1.5
NE
6
0.9
NNE
5
1.1
NE
5
1.1
NNE
5
0.9
NE
4
0.6
NE
4
0.5
NE
5
0.4
NNE
8
0.5
NE
3
0.6
NE
3
0.6
NE
4
0.6
NE
4
0.8
NE
4
1.4
NE
6
1.2
NE
5
1
NE
5
part cloud
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
rain showers
cloud
cloud
part cloud
part cloud
clear
part cloud
clear
cloud
part cloud
part cloud
clear
part cloud
clear
clear
clear
clear
clear
light rain
part cloud
cloud
part cloud
some clouds
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
rain shwrs
cloudy
cloudy
some clouds
some clouds
clear
some clouds
clear
cloudy
some clouds
some clouds
clear
some clouds
clear
clear
clear
clear
clear
light rain
some clouds
cloudy
some clouds
 km/h
25
SE
15
SE
10
S
15
W
5
SSW
20
NNW
15
NE
20
ENE
15
E
20
NE
25
NE
25
NE
35
NE
40
ENE
40
ENE
35
ENE
30
ENE
25
ENE
30
ENE
30
ENE
30
ENE
20
ENE
25
ENE
20
ENE
20
ENE
15
E
10
E
15
NE
20
ENE
15
ENE
20
ENE
20
ENE
20
ENE
25
ENE
25
ENE
20
E
 mm 
2
3
max°C
24
24
24
27
28
26
24
24
24
23
23
22
23
23
23
23
23
23
23
23
22
23
23
23
23
23
23
23
22
22
23
23
23
22
22
23
Moonrise
5:53
6:48
7:40
8:28
9:12
9:51
10:26
10:59
11:31
12:03
12:37
1:15
Moonset
4:20
5:10
6:04
7:01
7:59
8:57
9:54
10:51
11:48
12:47
1:49
Sunrise
7:01
7:01
7:01
7:01
7:03
7:03
7:03
7:03
7:05
7:05
7:05
7:05
Sunset
5:32
5:32
5:34
5:34
5:35
5:35
5:36
5:37
5:37
5:37
5:37
5:38
Today's sea temperature in Key Biscayne Yacht Club, Biscayne Bay is
24.9° C
(Statistics for 18 Dec 1981-2005 – mean: 24.5 max: 25.9 min: 22.2°C)
Issued (local time): 6 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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