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 06:20 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Tue morning, min 17°C on Mon night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Fri morning, min 21°C on Thu morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Sun morning, min 7°C on Mon night). Winds decreasing (strong winds from the NW on Sun afternoon, light winds from the NNE by Tue afternoon).

Days 10–12 Weather Summary

Mostly dry. Warm (max 25°C on Fri afternoon, min 18°C on Wed morning). Wind will be generally light.

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
1
Monday
2
Tue
3
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
High Tide
1:11PM1.01m
00:25AM1.29m
1:34PM1.05m
1:01AM1.28m
1:57PM1.10m
1:40AM1.23m
2:19PM1.15m
2:24AM1.15m
2:41PM1.19m
3:16AM1.04m
3:06PM1.22m
4:20AM0.90m
3:37PM1.24m
5:46AM0.77m
4:17PM1.24m
7:51AM0.71m
5:12PM1.21m
11:31AM0.79m
6:41PM1.18m
11:50AM0.87m
8:36PM1.20m
12:09PM0.91m
9:57PM1.26m
12:24PM0.95m
10:56PM1.31m
12:38PM0.98m
11:46PM1.34m
12:54PM1.03m
Low Tide
6:53PM0.24m
7:30AM-0.19m
7:30PM0.16m
8:02AM-0.15m
8:10PM0.08m
8:34AM-0.08m
8:52PM0.01m
9:06AM0.01m
9:39PM-0.04m
9:37AM0.12m
10:32PM-0.08m
10:08AM0.24m
11:35PM-0.09m
10:36AM0.35m
00:49AM-0.11m
10:52AM0.45m
2:07AM-0.13m
1:27PM0.52m
3:18AM-0.18m
3:08PM0.50m
4:21AM-0.21m
4:19PM0.43m
5:15AM-0.23m
5:16PM0.34m
6:02AM-0.22m
6:05PM0.23m
6:44AM-0.19m
6:50PM0.13m
Wave
height (m) 
direction
period (s) 
0.3
WSW
2
0.4
WNW
3
0.3
NNE
2
0.2
N
3
0.1
W
6
0.2
ESE
2
0.2
ESE
2
0.2
S
2
0.1
S
2
0.1
S
2
0.1
S
2
0.1
S
2
0.1
S
2
0.2
S
2
0.3
SE
2
0.2
SSE
2
0.2
S
2
0.1
S
2
0.1
SW
2
0.4
W
3
0.7
NW
3
0.6
NNW
3
0.7
WNW
4
0.5
N
3
0.4
NNE
3
0.2
N
3
0.3
E
2
0.3
ENE
2
0.2
S
2
0.3
ESE
2
0.2
ESE
2
0.4
SSE
3
0.4
ESE
3
0.3
ESE
2
0.2
SSE
2
0.4
ESE
3
0.4
ESE
3
0.4
SSE
3
0.4
SE
3
0.4
SE
3
0.4
S
3
0.1
SE
2
0.1
S
2
0.1
SW
2
0.1
W
3
0.2
E
2
0.2
SSW
2
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
cloudy
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
 km/h
15
WNW
25
NW
20
NE
15
E
0
SE
15
E
15
SE
15
SSW
10
SE
10
SSE
10
SW
10
ESE
10
SE
15
SSW
15
ESE
15
SSE
15
SSW
10
SW
15
WSW
30
NW
40
NNW
30
N
35
NW
30
N
25
NNE
15
NE
15
ENE
20
E
10
SW
15
E
15
E
20
SSE
25
ESE
20
ESE
15
SSE
20
E
30
ESE
25
SSE
20
ESE
20
SE
20
S
15
SE
5
ENE
10
SSW
5
NE
15
E
10
WSW
 mm 
max°C
21
20
18
24
24
21
23
23
21
23
23
22
24
24
22
24
23
23
23
19
15
13
15
11
16
20
16
21
21
20
22
23
21
24
25
22
27
27
23
25
25
24
26
26
23
27
25
Moonrise
6:31
7:07
7:40
8:12
8:45
9:20
9:59
10:43
11:34
12:32
1:36
2:44
3:50
4:54
5:55
6:53
Moonset
5:44
6:43
7:41
8:41
9:41
10:44
11:50
12:57
2:05
3:08
4:06
4:55
5:38
6:16
6:49
Sunrise
7:00
6:58
6:58
6:58
6:56
6:56
6:54
6:54
6:52
6:52
6:52
6:50
6:50
6:48
6:48
6:47
Sunset
6:20
6:20
6:21
6:22
6:22
6:22
6:22
6:23
6:24
6:24
6:25
6:25
6:27
6:27
6:28
6:28
Today's sea temperature in Round Key is
17.8° C
(Statistics for 16 Feb 1981-2005 – mean: 22.7 max: 24.1 min: 21.5°C)
Issued (local time): 12 pm Monday 16 Feb 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest