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 05:37 PM.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Thu afternoon. Warm air temperatures (max 25°C on Wed afternoon, min 19°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Sun afternoon, min 16°C on Fri night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Warm (max 26°C on Mon afternoon, min 19°C on Tue night). Winds decreasing (fresh winds from the ENE on Tue morning, calm by Thu morning).

Days 11–13 Weather Summary

Mostly dry. Warm (max 24°C on Thu afternoon, min 18°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NE by Sun morning).

Tue
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
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
2:54PM1.03m
00:58AM1.32m
3:35PM1.04m
1:33AM1.29m
4:14PM1.05m
2:16AM1.22m
4:52PM1.05m
3:09AM1.14m
5:29PM1.07m
4:19AM1.03m
6:03PM1.10m
5:49AM0.93m
6:37PM1.14m
7:31AM0.87m
Low Tide
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
8:01PM0.47m
8:57AM-0.17m
8:39PM0.45m
9:35AM-0.14m
9:24PM0.42m
10:13AM-0.09m
10:16PM0.39m
10:54AM-0.01m
11:20PM0.34m
11:39AM0.08m
00:32AM0.26m
12:29PM0.19m
1:43AM0.15m
Wave
height (m) 
direction
period (s) 
0.1
NE
2
0.4
NE
2
0.2
ENE
2
0.1
SE
1
0.3
E
2
0.3
ESE
2
0.4
SSE
3
0.2
SSE
2
0.1
SW
2
0.3
W
2
0.4
NW
2
0.2
N
2
0.1
W
2
0.1
W
6
0.1
W
6
0.1
NW
2
0.3
NE
2
0.4
NE
2
0.2
ENE
2
0.3
NE
2
0.4
NE
2
0.5
NE
3
0.4
NE
2
0.3
NE
2
0.1
E
2
0.2
ENE
2
0.2
ENE
2
0.1
W
1
0.1
SE
2
0.1
E
2
0.1
W
1
0.1
S
2
0
E
2
0.2
WNW
2
0.3
NW
2
0.4
NNE
3
clear
clear
clear
part cloud
clear
part cloud
thunderstorm
thunderstorm
cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
some clouds
clear
some clouds
risk tstorm
risk tstorm
cloudy
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
 km/h
15
NE
20
NE
15
E
10
ESE
20
E
20
ESE
20
SSE
15
SSE
15
WNW
20
NW
20
NNW
15
NE
10
W
5
NNE
10
NE
15
NW
15
NE
25
NE
20
ENE
15
NE
30
ENE
30
ENE
20
ENE
20
ENE
10
ENE
15
NE
15
ENE
10
W
10
ESE
10
ENE
10
WSW
5
NE
5
NNW
20
WNW
20
N
30
NE
 mm 
2
2
max°C
24
20
24
25
21
25
25
24
24
23
21
22
22
21
24
25
23
24
26
21
23
23
20
24
25
21
24
24
22
23
24
21
21
21
20
21
Moonrise
5:04
5:59
6:54
7:46
8:34
9:18
9:57
10:32
11:05
11:37
12:08
12:42
Moonset
3:01
3:41
4:25
5:15
6:09
7:06
8:04
9:02
9:59
10:56
11:54
12:53
Sunrise
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
7:11
7:11
Sunset
5:37
5:37
5:37
5:38
5:38
5:39
5:39
5:40
5:40
5:42
5:42
5:43
Today's sea temperature in Round Key is
23.0° C
(Statistics for 16 Dec 1981-2005 – mean: 24.2 max: 25.6 min: 23.2°C)
Issued (local time): 6 pm Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest