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 07:07 AM and sunset is at 07:20 PM.

Days 1–3 Weather Summary

Heavy rain (total 29mm), heaviest during Mon night. Very warm air temperatures (max 30°C on Mon afternoon, min 27°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 34mm), heaviest during Fri night. Very warm air temperatures (max 30°C on Fri afternoon, min 26°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 84mm), heaviest during Mon morning. Warm (max 30°C on Sun afternoon, min 23°C on Mon afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 27mm), heaviest during Wed afternoon. Warm (max 27°C on Wed afternoon, min 23°C on Tue night). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 53mm), heaviest during Sat night. Warm (max 29°C on Mon afternoon, min 24°C on Fri afternoon). Wind will be generally light.

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
AM
PM
night
AM
PM
night
AM
PM
night
AM
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
5:49PM0.61m
5:56AM0.58m
6:44PM0.63m
6:54AM0.62m
7:31PM0.66m
7:44AM0.66m
8:12PM0.69m
8:29AM0.71m
8:50PM0.73m
9:10AM0.75m
9:27PM0.75m
9:51AM0.79m
10:04PM0.77m
10:32AM0.82m
10:41PM0.78m
11:14AM0.83m
11:21PM0.78m
11:59AM0.82m
00:04AM0.77m
12:47PM0.80m
00:51AM0.75m
1:40PM0.77m
1:45AM0.72m
2:41PM0.74m
2:49AM0.69m
3:50PM0.71m
4:04AM0.68m
5:02PM0.71m
Low Tide
11:47AM0.23m
00:35AM0.30m
12:49PM0.22m
1:30AM0.27m
1:44PM0.20m
2:15AM0.22m
2:32PM0.16m
2:56AM0.18m
3:15PM0.14m
3:34AM0.13m
3:55PM0.12m
4:11AM0.09m
4:35PM0.11m
4:49AM0.05m
5:15PM0.11m
5:29AM0.03m
5:56PM0.12m
6:11AM0.02m
6:40PM0.14m
6:56AM0.04m
7:28PM0.17m
7:47AM0.06m
8:22PM0.21m
8:44AM0.10m
9:24PM0.24m
9:51AM0.14m
10:36PM0.25m
11:05AM0.16m
Wave
Height (m)
Direction
Period (s)
0.1
NE
2
0.1
NE
8
0.1
SE
1
0.1
E
7
0.2
SSE
2
0.1
NE
9
0.3
SE
3
0.3
SE
4
0.3
SE
3
0.3
SE
3
0.1
SE
3
0.4
SE
3
0.2
E
3
0.1
SE
3
0.1
NE
13
0.1
NE
11
0.3
NE
11
0.3
NE
12
0.3
NE
12
0.3
NE
12
0.3
NE
12
0.4
NE
12
0.3
NE
12
0.3
NE
11
0.3
NE
10
0.1
NE
10
0.1
NE
10
0.4
SE
3
0.4
SE
4
0.5
ESE
4
0.4
ESE
4
0.3
NE
10
0.4
SE
3
0.3
NE
10
0.1
NE
10
0.2
E
3
0.6
E
4
0.6
E
4
1.2
E
5
1
E
5
0.8
ESE
5
0.4
ESE
4
0.8
E
4
0.7
ESE
4
0.6
ESE
5
0.4
ESE
5
0.4
ESE
4
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
thunderstorm
rain showers
part cloud
light rain
light rain
cloud
mod rain
mod rain
light rain
cloud
cloud
light rain
mod rain
mod rain
mod rain
thunderstorm
thunderstorm
thunderstorm
cloud
mod rain
cloud
part cloud
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
risk tstorm
rain shwrs
some clouds
light rain
light rain
cloudy
mod rain
mod rain
light rain
cloudy
cloudy
light rain
mod rain
mod rain
mod rain
risk tstorm
risk tstorm
risk tstorm
cloudy
mod rain
cloudy
some clouds
km/h
5
ESE
15
SE
10
SSE
5
SSW
15
SSE
15
SSE
10
S
20
SSE
10
S
15
SE
15
SSE
10
SSE
10
SSE
15
SSE
10
SSW
10
WNW
10
ENE
10
NNE
10
ENE
0
SE
10
SSW
5
NW
15
WNW
10
SSW
10
SW
20
SW
5
SSW
15
WSW
20
S
15
S
15
SSW
15
SE
20
WSW
10
S
10
SSW
5
WSW
20
ENE
20
E
25
E
25
SE
15
SE
15
ESE
25
ESE
20
ESE
5
ESE
15
E
15
ESE
 mm
1
2
2
2
12
1
9
5
1
2
4
1
3
1
7
10
1
8
6
11
22
22
12
2
4
4
6
9
4
1
7
8
8
11
11
1
6
max °C
28
29
29
29
30
29
29
30
28
27
28
28
27
28
27
29
30
27
28
27
27
29
30
29
24
24
24
25
24
24
26
27
26
24
26
25
25
24
27
27
27
27
28
28
27
28
29
Moonrise
3:40
4:21
4:58
5:32
6:04
6:36
7:08
7:43
8:21
9:05
9:55
10:53
11:57
1:04
2:10
Moonset
1:22
2:17
3:14
4:11
5:07
6:03
7:01
8:00
9:02
10:07
11:15
12:22
1:26
2:25
3:16
4:00
Sunrise
7:07
7:07
7:09
7:09
7:09
7:09
7:09
7:11
7:11
7:11
7:11
7:11
7:13
7:13
7:13
7:13
Sunset
7:20
7:17
7:16
7:15
7:15
7:14
7:13
7:12
7:10
7:09
7:08
7:07
7:06
7:05
7:04
7:02
Today's sea temperature in Key Biscayne is
30.5°C
(Statistics for 20 Sep 1981-2005 – mean: 28.9 max: 29.7 min: 27.8°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest