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 07:03 AM and sunset is at 05:37 PM.

Days 1–3 Weather Summary

Light rain (total 9mm), mostly falling on Sat night. Warm air temperatures (max 24°C on Tue afternoon, min 16°C on Sun night). Winds increasing (calm on Sat night, fresh winds from the NNE by Sun night).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 26°C on Fri afternoon, min 19°C on Tue night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 28°C on Sat afternoon, min 22°C on Fri night). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 4mm), mostly falling on Tue afternoon. Warm (max 26°C on Tue morning, min 20°C on Wed night). Wind will be generally light.

Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thu
25
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
High Tide
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
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
Low Tide
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
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
Wave
height (m) 
direction
period (s) 
0.1
S
3
0.2
W
2
0.4
NNW
3
0.4
NNE
3
0.5
NE
3
0.4
NE
3
0.3
NE
2
0.1
NE
2
0.3
E
2
0.1
NE
2
0.1
S
1
0.1
SE
2
0.2
E
2
0.1
W
1
0
W
2
0.1
N
2
0.1
NW
2
0.1
E
2
0.2
E
2
0.2
ESE
2
0.3
E
2
0.2
ESE
2
0.2
S
2
0.1
S
2
0.1
E
1
0.1
W
1
0
W
2
0.1
NE
2
0
E
2
0.1
SE
2
0.1
E
2
0.1
W
1
0.2
NNW
2
0.3
ENE
2
0.2
ENE
2
rain showers
thunderstorm
clear
part cloud
cloud
cloud
clear
clear
clear
clear
part cloud
clear
part cloud
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
rain showers
clear
clear
thunderstorm
rain showers
part cloud
part cloud
rain shwrs
risk tstorm
clear
some clouds
cloudy
cloudy
clear
clear
clear
clear
some clouds
clear
some clouds
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
rain shwrs
clear
clear
risk tstorm
rain shwrs
some clouds
some clouds
 km/h
5
NNW
15
WNW
25
NNE
30
NE
30
NE
25
NE
20
NE
10
NE
15
ENE
15
ENE
10
SSW
10
E
15
E
10
W
5
ENE
10
NNE
10
NW
10
E
20
ENE
15
ESE
20
ENE
15
ESE
15
S
10
E
10
ENE
15
W
10
ENE
15
ENE
5
E
10
E
10
E
10
NW
15
NNE
20
ENE
20
NE
 mm 
1
2
1
2
1
max°C
22
23
21
21
20
19
22
24
20
24
24
22
24
25
23
25
26
24
27
28
24
26
25
25
26
25
24
26
25
23
24
24
23
25
25
Moonrise
2:22
3:15
4:09
5:04
5:59
6:54
7:46
8:34
9:18
9:57
10:32
11:05
Moonset
1:54
2:26
3:01
3:41
4:25
5:15
6:09
7:06
8:04
9:02
9:59
Sunrise
7:03
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
Sunset
5:37
5:37
5:37
5:37
5:37
5:38
5:38
5:39
5:39
5:40
5:40
5:42
Today's sea temperature in Round Key is
22.6° C
(Statistics for 14 Dec 1981-2005 – mean: 24.4 max: 25.9 min: 23.2°C)
Issued (local time): 12 am Sunday 14 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest