Round Key Sea Conditions and Tide Table

Round Key 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 — and sunset is at 05:35 PM.

Days 1–4 Weather Summary

Mostly dry. Warm air temperatures (max 22°C on Wed morning, min 16°C on Wed night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 26°C on Sun afternoon, min 18°C on Sun night). Wind will be generally light.

Days 8–10 Weather Summary

Some drizzle, heaviest during Thu morning. Warm (max 25°C on Thu morning, min 18°C on Mon night). Mainly fresh winds.

Days 11–13 Weather Summary

Light rain (total 8mm), mostly falling on Thu afternoon. Warm (max 27°C on Sat afternoon, min 23°C on Thu night). Wind will be generally light.

Tue
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sun
21
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
Wave Height Map
High Tide
5:36PM1.03m
4:25AM1.21m
6:19PM1.04m
5:48AM1.07m
6:59PM1.07m
7:12AM0.97m
7:40PM1.10m
8:43AM0.92m
8:20PM1.15m
10:15AM0.91m
9:00PM1.19m
11:24AM0.94m
9:39PM1.23m
12:09PM0.96m
10:16PM1.27m
12:39PM0.98m
10:51PM1.30m
1:08PM0.99m
11:25PM1.32m
1:40PM1.01m
11:56PM1.34m
2:16PM1.02m
00:27AM1.34m
Low Tide
11:01PM0.43m
11:47AM0.03m
00:17AM0.38m
12:44PM0.15m
1:34AM0.30m
1:41PM0.26m
2:41AM0.21m
2:36PM0.34m
3:37AM0.12m
3:27PM0.41m
4:26AM0.04m
4:15PM0.45m
5:09AM-0.02m
4:58PM0.48m
5:50AM-0.08m
5:39PM0.50m
6:29AM-0.12m
6:16PM0.50m
7:06AM-0.16m
6:51PM0.50m
7:43AM-0.18m
7:25PM0.49m
8:20AM-0.19m
Wave
height (m) 
direction
period (s) 
0.3
NE
2
0.2
ENE
2
0.1
N
2
0.3
WNW
2
0.4
NW
3
0.2
NNW
2
0.3
WNW
2
0.3
N
2
0.2
ENE
2
0.1
W
6
0.1
SE
3
0.2
E
2
0.1
W
2
0.1
NW
2
0.1
NE
2
0.2
WNW
2
0.4
NE
2
0.4
NNE
3
0.4
NE
3
0.5
NE
3
0.5
NE
3
0.4
ENE
3
0.4
ENE
3
0.3
E
2
0.4
ESE
3
0.4
ESE
3
0.3
ESE
2
0.4
SE
3
0.2
ESE
2
0.1
SE
2
0.1
SE
2
0.1
SE
2
0.1
E
2
0.1
S
2
0.1
SE
2
0.1
SE
2
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
rain showers
thunderstorm
thunderstorm
part cloud
thunderstorm
thunderstorm
clear
part cloud
clear
clear
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
rain shwrs
risk tstorm
risk tstorm
some clouds
risk tstorm
risk tstorm
clear
some clouds
clear
clear
 km/h
20
NE
15
NE
10
NNE
20
WNW
20
NNW
15
N
20
NW
15
NNE
15
ENE
5
W
10
ENE
15
ENE
10
W
5
N
10
NE
15
NNW
25
NE
30
NNE
30
NNE
30
NE
30
NE
25
ENE
25
E
20
E
25
E
25
E
20
ESE
20
SE
15
ESE
15
E
10
SE
10
E
15
E
5
W
10
ENE
15
ESE
 mm 
1
5
1
1
1
max°C
21
20
22
21
19
20
21
19
22
23
20
23
24
21
25
26
22
24
24
20
23
23
20
23
24
23
25
26
24
26
26
25
26
27
25
26
Moonrise
10:46
11:43
12:38
1:30
2:22
3:15
4:09
5:04
5:59
6:54
7:46
8:34
Moonset
11:56
12:27
12:56
1:25
1:54
2:26
3:01
3:41
4:25
5:15
6:09
Sunrise
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:05
7:07
7:07
7:07
Sunset
5:35
5:35
5:36
5:36
5:36
5:37
5:37
5:37
5:37
5:37
5:38
5:38
Today's sea temperature in Round Key is
23.7° C
(Statistics for 09 Dec 1981-2005 – mean: 24.7 max: 25.9 min: 23.6°C)
Issued (local time): 6 pm Tuesday 09 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest