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 07:13 AM and sunset is at 07:24 PM.

Days 1–3 Weather Summary

Moderate rain (total 13mm), heaviest on Mon night. Warm air temperatures (max 29°C on Sun afternoon, min 26°C on Sun morning). Wind will be generally light.

Days 4–6 Weather Summary

Heavy rain (total 42mm), heaviest during Wed night. Warm air temperatures (max 29°C on Fri afternoon, min 26°C on Wed night). Wind will be generally light.

Days 7–9 Weather Summary

Heavy rain (total 52mm), heaviest during Sun night. Warm (max 28°C on Sat afternoon, min 24°C on Mon afternoon). Wind will be generally light.

Days 10–12 Weather Summary

Heavy rain (total 127mm), heaviest during Tue morning. Warm (max 27°C on Wed afternoon, min 23°C on Tue morning). Wind will be generally light.

Days 13–16 Weather Summary

Heavy rain (total 86mm), heaviest during Fri night. Warm (max 29°C on Mon afternoon, min 23°C on Fri afternoon). Winds decreasing (fresh winds from the ESE on Fri afternoon, light winds from the SSE by Mon night).

Sunday
20
Monday
21
Tuesday
22
Wednesday
23
Thursday
24
Friday
25
Saturday
26
Sunday
27
Monday
28
Tuesday
29
Wednesday
30
Thursday
1
Friday
2
Saturday
3
Sunday
4
Mon
5
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
PM
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
Wave Height Map
High Tide
8:54AM1.22m
00:07AM1.07m
10:08AM1.27m
11:57PM1.12m
11:03AM1.35m
00:13AM1.18m
11:48AM1.42m
00:35AM1.25m
12:28PM1.47m
00:57AM1.32m
1:05PM1.49m
1:18AM1.38m
1:43PM1.49m
1:37AM1.44m
2:23PM1.46m
1:57AM1.50m
3:08PM1.39m
2:19AM1.55m
4:00PM1.30m
2:47AM1.57m
5:04PM1.19m
6:25PM1.09m
8:05PM1.05m
5:17AM1.43m
10:09PM1.07m
7:18AM1.36m
Low Tide
4:24PM0.19m
4:40AM0.59m
5:14PM0.16m
5:24AM0.52m
5:56PM0.15m
6:01AM0.43m
6:33PM0.14m
6:36AM0.34m
7:07PM0.15m
7:12AM0.24m
7:39PM0.18m
7:49AM0.14m
8:11PM0.23m
8:29AM0.05m
8:42PM0.29m
9:10AM-0.01m
9:14PM0.37m
9:56AM-0.05m
9:46PM0.45m
10:46AM-0.05m
10:19PM0.52m
11:44AM-0.02m
10:56PM0.59m
12:53PM0.02m
00:00AM0.65m
2:09PM0.05m
2:03AM0.66m
3:22PM0.07m
Wave
Height (m)
Direction
Period (s)
0
E
1
0.1
W
2
0
W
1
0
E
2
0.1
S
2
0.2
S
2
0.2
S
2
0.2
SSW
2
0.2
S
2
0.2
S
2
0.1
S
2
0.4
SE
3
0.2
S
2
0.2
S
2
0.1
S
2
0.2
SSW
3
0.1
SW
2
0.1
SE
2
0.1
SW
3
0.3
SW
2
0.2
WSW
4
0.1
SW
4
0.2
WSW
3
0.2
W
2
0.1
SW
4
0.4
SSW
3
0.4
SW
3
0.3
S
3
0.4
SE
3
0.5
S
3
0.4
SSW
3
0.3
SSW
3
0.4
SSW
3
0.3
SSE
3
0.2
S
2
0.3
SSE
2
0.3
ESE
2
0.6
ESE
3
0.5
E
3
0.4
SE
3
0.3
S
3
0.4
ESE
3
0.4
SE
3
0.2
SSE
2
0.3
SE
2
0.3
ESE
2
0.1
SE
2
thunderstorm
thunderstorm
thunderstorm
clear
clear
thunderstorm
clear
thunderstorm
thunderstorm
thunderstorm
rain showers
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
thunderstorm
thunderstorm
mod rain
thunderstorm
light rain
light rain
heavy rain
mod rain
thunderstorm
mod rain
cloud
thunderstorm
thunderstorm
cloud
part cloud
risk tstorm
risk tstorm
risk tstorm
clear
clear
risk tstorm
clear
risk tstorm
risk tstorm
risk tstorm
rain shwrs
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
risk tstorm
mod rain
risk tstorm
risk tstorm
risk tstorm
mod rain
risk tstorm
light rain
light rain
heavy rain
mod rain
risk tstorm
mod rain
cloudy
risk tstorm
risk tstorm
cloudy
some clouds
km/h
5
SSE
15
W
10
SSE
10
S
15
SSW
15
SSE
10
S
10
SW
15
SSE
10
SE
10
S
20
SE
10
SSE
10
SSW
10
SSW
0
WSW
10
WSW
10
E
5
SE
15
SW
5
N
5
NW
15
W
15
NNW
5
W
25
S
20
S
15
S
20
SE
25
SSE
20
S
15
SSW
25
S
20
SE
10
SSE
20
SSE
20
E
30
ESE
25
E
20
ESE
15
ESE
25
ESE
20
ESE
15
SE
15
ESE
20
E
10
SE
 mm
1
1
1
5
2
3
7
1
11
4
2
6
3
2
6
3
2
7
1
2
16
4
6
11
34
13
11
6
8
22
7
7
18
1
4
38
10
13
8
7
5
max °C
28
29
28
28
29
29
29
29
29
27
28
27
27
28
28
28
29
28
26
28
28
27
28
28
26
27
26
25
24
25
26
27
24
25
25
24
24
24
24
24
25
26
26
28
26
27
29
Moonrise
3:46
4:26
5:03
5:37
6:09
6:41
7:13
7:48
8:26
9:10
10:01
10:58
12:02
1:09
2:16
Moonset
1:27
2:23
3:19
4:16
5:12
6:09
7:06
8:06
9:08
10:13
11:20
12:28
1:32
2:30
3:21
4:05
Sunrise
7:13
7:13
7:13
7:13
7:15
7:15
7:16
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
7:18
Sunset
7:24
7:23
7:22
7:21
7:20
7:19
7:17
7:16
7:15
7:15
7:14
7:13
7:12
7:10
7:08
7:07
Today's sea temperature in Round Key is
30.8°C
(Statistics for 20 Sep 1981-2005 – mean: 28.9 max: 29.7 min: 27.8°C)
Issued (local time): 7 am Sunday 20 Sep 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest