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 07:13 AM and sunset is at 07:37 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm air temperatures (max 26°C on Mon afternoon, min 24°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the E by Wed night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Thu afternoon, min 23°C on Thu night). Mainly fresh winds.

Days 7–9 Weather Summary

Light rain (total 2mm), mostly falling on Mon night. Warm (max 31°C on Mon afternoon, min 20°C on Tue morning). Winds decreasing (fresh winds from the WSW on Mon afternoon, calm by Tue afternoon).

Days 10–12 Weather Summary

Moderate rain (total 11mm), heaviest on Fri night. Warm (max 24°C on Fri afternoon, min 21°C on Wed morning). Wind will be generally light.

Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
Thursday
10
Friday
11
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
11:36AM2.3ft
00:15AM2.43ft
12:24PM2.23ft
1:07AM2.33ft
1:15PM2.1ft
2:04AM2.17ft
2:12PM1.94ft
3:07AM2ft
3:17PM1.8ft
4:16AM1.87ft
4:31PM1.71ft
5:27AM1.84ft
5:46PM1.71ft
6:32AM1.84ft
6:54PM1.77ft
7:26AM1.87ft
7:49PM1.84ft
8:12AM1.9ft
8:35PM1.94ft
8:51AM1.94ft
9:15PM2ft
9:26AM1.97ft
9:52PM2.07ft
Low Tide
6:09AM-0.3ft
6:27PM-0.59ft
6:58AM-0.16ft
7:17PM-0.49ft
7:51AM0ft
8:10PM-0.33ft
8:48AM0.16ft
9:10PM-0.13ft
9:52AM0.3ft
10:16PM0.03ft
11:04AM0.39ft
11:29PM0.16ft
12:17PM0.39ft
00:40AM0.2ft
1:21PM0.33ft
1:43AM0.2ft
2:15PM0.23ft
2:35AM0.16ft
2:58PM0.13ft
3:19AM0.13ft
3:37PM0.03ft
3:58AM0.13ft
4:11PM-0.03ft
4:33AM0.13ft
Wave
height (ft) 
direction
period (s) 
1.5
SE
4
1.5
SE
4
0.5
ESE
4
0.5
SE
4
1
ESE
2
1.5
E
3
2.5
E
4
2.5
ESE
4
4.5
E
5
4
ESE
6
3.5
E
5
4.5
E
6
4
ESE
6
3
ESE
6
4.5
E
6
3.5
ESE
6
2.5
ESE
6
3.5
E
5
2.5
ESE
5
2
ESE
5
1.5
SE
4
2
ESE
4
2.5
S
4
0.5
ESE
4
1
NW
3
1.5
NE
6
1
NE
7
2.5
NE
4
3
NE
4
3.5
ENE
5
3
ENE
5
2.5
E
5
3.5
E
5
3
E
5
2.5
E
4
2.5
E
5
clear
clear
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
clear
clear
clear
clear
rain showers
part cloud
rain showers
part cloud
part cloud
clear
clear
clear
cloud
part cloud
cloud
cloud
mod rain
clear
clear
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
cloudy
clear
clear
clear
clear
rain shwrs
some clouds
rain shwrs
some clouds
some clouds
clear
clear
clear
cloudy
some clouds
cloudy
cloudy
mod rain
 mph
10
SSE
15
SSE
5
SW
5
SE
10
ESE
10
ESE
15
ESE
15
E
20
ESE
20
ESE
20
E
20
ESE
20
ESE
10
ESE
20
ESE
15
SE
10
ESE
15
ESE
10
SE
10
SSE
10
S
10
S
20
WSW
10
W
5
NNW
5
E
5
ENE
10
ENE
20
ENE
15
E
15
E
15
E
15
E
15
ESE
15
E
5
SSE
 in 
0.08
0.04
0.04
0.4
max°F
77
79
79
77
79
77
77
77
77
75
77
75
73
75
75
75
75
75
75
77
77
81
88
81
72
73
72
72
72
70
72
72
72
72
75
73
Moonrise
8:35
9:21
10:13
11:11
12:13
1:16
2:18
3:16
4:12
5:05
5:56
6:47
Moonset
10:25
11:36
12:45
1:47
2:43
3:30
4:10
4:44
5:15
5:44
6:11
Sunrise
7:13
7:11
7:11
7:09
7:09
7:07
7:07
7:05
7:05
7:03
7:03
7:01
Sunset
7:37
7:37
7:37
7:37
7:37
7:38
7:38
7:39
7:39
7:40
7:40
7:42
Today's sea temperature in Key Biscayne is 75 °F (Statistics for 31 Mar 1981-2005 – mean: 76 max: 80 min: 74°F)
Issued (local time): 1 am Monday 31 Mar 2025
Forecast update inUpdates in 2 hr 49 min 30 sUpdate imminent
Nearest