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 07:34 PM.

Days 1–4 Weather Summary

Light rain (total 9mm), mostly falling on Sun night. Warm air temperatures (max 26°C on Mon night, min 15°C on Tue night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Thu afternoon, min 17°C on Fri morning). Winds decreasing (fresh winds from the NE on Wed night, calm by Sat afternoon).

Days 8–10 Weather Summary

Mostly dry. Warm (max 27°C on Tue afternoon, min 21°C on Sun morning). Wind will be generally light.

Days 11–13 Weather Summary

Light rain (total 3mm), mostly falling on Wed night. Warm (max 25°C on Tue night, min 20°C on Wed night). Winds decreasing (fresh winds from the SE on Wed afternoon, calm by Thu night).

Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
Saturday
21
Sunday
22
Monday
23
Tuesday
24
Wednesday
25
Thursday
26
Friday
27
Saturday
28
Sunday
29
Monday
30
Tue
31
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
night
AM
Wave Height Map
High Tide
11:54PM1.21m
1:00PM1.04m
00:35AM1.26m
1:22PM1.11m
1:14AM1.28m
1:42PM1.18m
1:55AM1.27m
2:03PM1.25m
2:38AM1.23m
2:24PM1.31m
3:27AM1.14m
2:48PM1.36m
4:25AM1.03m
3:18PM1.38m
5:37AM0.91m
3:56PM1.36m
7:09AM0.81m
4:45PM1.30m
10:23AM0.80m
5:57PM1.22m
11:39AM0.88m
8:03PM1.16m
12:02PM0.94m
9:49PM1.17m
12:20PM0.98m
11:03PM1.21m
12:33PM1.03m
Low Tide
6:14PM0.33m
6:48AM-0.09m
6:52PM0.22m
7:22AM-0.08m
7:30PM0.11m
7:56AM-0.04m
8:10PM0.01m
8:29AM0.01m
8:51PM-0.09m
9:02AM0.09m
9:35PM-0.16m
9:35AM0.18m
10:23PM-0.19m
10:07AM0.28m
11:17PM-0.19m
10:40AM0.37m
00:20AM-0.16m
11:12AM0.46m
1:32AM-0.13m
12:26PM0.53m
2:49AM-0.11m
2:45PM0.53m
4:00AM-0.10m
4:11PM0.46m
5:00AM-0.09m
5:15PM0.35m
5:52AM-0.07m
6:07PM0.23m
Wave
height (m) 
direction
period (s) 
0.4
SE
3
0.4
S
3
0.3
SSW
3
0.5
NW
3
0.4
N
3
0.4
NW
4
0.4
NE
2
0.4
NE
3
0.2
NNW
3
0.5
NE
3
0.4
NE
3
0.3
NE
2
0.4
NE
3
0.4
NE
2
0.3
NNE
2
0.3
E
2
0.2
ENE
2
0.1
SW
2
0.2
SSE
2
0.1
SE
2
0.2
SSW
2
0.2
SSE
2
0.1
SE
2
0.2
W
2
0.1
S
2
0.2
ESE
2
0.1
S
2
0.4
ESE
3
0.4
ESE
3
0.6
SE
3
0.6
SE
3
0.4
SE
3
0.2
S
2
0.1
S
3
0.1
W
1
0.4
WNW
3
0.2
NNW
2
0.5
NE
3
0.4
NE
3
0.4
ENE
3
0.4
ESE
3
0.4
ESE
3
0.3
ESE
2
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
thunderstorm
thunderstorm
clear
thunderstorm
part cloud
cloud
part cloud
cloud
part cloud
part cloud
part cloud
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
part cloud
cloud
part cloud
light rain
rain showers
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
part cloud
part cloud
risk tstorm
risk tstorm
clear
risk tstorm
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
some clouds
clear
clear
clear
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
some clouds
some clouds
some clouds
clear
some clouds
cloudy
some clouds
light rain
rain shwrs
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
some clouds
some clouds
 km/h
20
SE
20
S
20
SSW
25
NNW
25
NNE
25
NNW
20
NE
20
NE
20
NNE
30
NE
30
NE
20
NNE
25
NE
20
NE
25
NNE
15
ENE
15
ENE
15
SW
10
ESE
10
ESE
20
SW
10
E
10
E
15
W
5
ENE
15
E
10
SSE
25
E
25
ESE
35
ESE
30
ESE
20
ESE
15
SW
5
NE
15
WNW
30
WNW
15
NNE
30
NE
25
NE
25
ENE
25
E
25
ESE
20
E
25
ESE
30
ESE
25
E
25
ESE
 mm 
4
1
4
2
1
max°C
24
25
25
26
16
20
18
17
22
18
19
25
22
21
24
23
21
24
23
22
24
23
22
24
23
23
27
25
24
24
22
22
25
25
24
24
24
23
27
23
22
26
24
24
26
24
25
Moonrise
6:03
6:37
7:10
7:44
8:18
8:57
9:40
10:30
11:27
12:30
1:36
2:41
3:45
4:46
5:43
Moonset
5:28
6:27
7:27
8:29
9:33
10:39
11:48
12:57
2:03
3:02
3:53
4:37
5:15
5:49
6:20
Sunrise
7:33
7:33
7:31
7:31
7:30
7:28
7:28
7:26
7:26
7:24
7:24
7:22
7:22
7:20
7:18
7:18
Sunset
7:34
7:35
7:35
7:36
7:36
7:37
7:37
7:37
7:37
7:38
7:38
7:38
7:39
7:39
7:40
7:40
Today's sea temperature in Round Key is
25.9° C
(Statistics for 15 Mar 1981-2005 – mean: 23.0 max: 25.4 min: 21.1°C)
Issued (local time): 7 pm Sunday 15 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest