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 07:00 AM and sunset is at 05:35 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Sun night. Warm air temperatures (max 25°C on Sun morning, min 18°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Wed morning, min 19°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Some drizzle, heaviest during Sat morning. Warm (max 23°C on Fri night, min 7°C on Sat night). Winds increasing (calm on Fri night, fresh winds from the NNE by Sat night).

Days 10–12 Weather Summary

Mostly dry. Warm (max 23°C on Thu afternoon, min 9°C on Mon night). Mainly fresh winds.

Sunday
7
Monday
8
Tuesday
9
Wednesday
10
Thursday
11
Friday
12
Saturday
13
Sunday
14
Monday
15
Tuesday
16
Wednesday
17
Thu
18
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
4:02PM1.07m
2:02AM1.50m
4:51PM1.04m
3:07AM1.36m
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
Low Tide
9:10AM-0.30m
8:58PM0.48m
10:01AM-0.20m
9:55PM0.45m
10:53AM-0.09m
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
Wave
height (m) 
direction
period (s) 
0.1
E
2
0.2
S
2
0.2
SSW
2
0.2
WSW
2
0.3
W
2
0.2
NNW
2
0.4
NE
3
0.3
NE
2
0.3
ENE
2
0.1
N
2
0.2
WNW
2
0.1
NW
2
0.1
NW
2
0.2
WNW
2
0.1
NW
2
0.1
N
2
0
W
2
0
W
1
0
W
1
0.6
NW
3
0.5
N
3
0.5
NNE
3
0.4
ENE
3
0.4
NE
2
0.4
NE
2
0.1
NW
2
0.5
NNW
3
0.5
N
3
0.4
NNE
3
0.4
NNE
3
0.3
NNE
3
0.4
NE
2
0.3
NE
2
0.3
ENE
2
0.3
E
2
clear
clear
rain showers
thunderstorm
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
cloud
rain showers
part cloud
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
part cloud
clear
clear
rain shwrs
risk tstorm
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
cloudy
rain shwrs
some clouds
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
 km/h
15
SE
20
S
15
SW
15
W
15
WNW
20
NNE
25
NE
20
NE
20
ENE
10
NNE
15
WNW
15
NNW
5
N
15
WNW
10
N
5
E
10
SW
5
NW
5
NNW
30
NNW
30
N
30
NE
30
ENE
20
NE
20
NE
15
NW
30
N
30
NNE
30
NE
25
NNE
25
NNE
25
ENE
20
NE
20
ENE
20
E
 mm 
1
1
1
max°C
25
25
24
25
25
23
21
22
20
24
23
22
22
22
21
23
24
23
23
21
17
17
19
16
22
22
16
13
15
12
20
22
20
22
23
Moonrise
8:38
9:44
10:46
11:43
12:38
1:30
2:22
3:15
4:09
5:04
5:59
Moonset
9:53
10:41
11:21
11:56
12:27
12:56
1:25
1:54
2:26
3:01
3:41
4:25
Sunrise
7:00
7:00
7:01
7:01
7:01
7:03
7:03
7:03
7:05
7:05
7:05
7:05
Sunset
5:35
5:35
5:35
5:35
5:36
5:36
5:36
5:37
5:37
5:37
5:37
5:37
Today's sea temperature in Round Key is
23.2° C
(Statistics for 07 Dec 1981-2005 – mean: 24.8 max: 26.2 min: 23.6°C)
Issued (local time): 12 am Sunday 07 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest