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 07:20 AM and sunset is at 07:40 PM.

Days 1–3 Weather Summary

Light rain (total 8mm), mostly falling on Sat night. Warm air temperatures (max 26°C on Sat afternoon, min 21°C on Sat morning). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 28°C on Wed night, min 22°C on Thu night). Wind will be generally light.

Days 7–9 Weather Summary

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

Days 10–12 Weather Summary

Light rain (total 6mm), mostly falling on Thu morning. Warm (max 27°C on Wed afternoon, min 22°C on Mon morning). Winds increasing (calm on Mon night, fresh winds from the SE by Wed night).

Saturday
29
Sunday
30
Monday
31
Tuesday
1
Wednesday
2
Thursday
3
Friday
4
Saturday
5
Sunday
6
Monday
7
Tuesday
8
Wednesday
9
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
Wave Height Map
High Tide
1:41PM4.33ft
2:27AM4.27ft
2:07PM4.56ft
3:21AM3.94ft
2:36PM4.72ft
4:22AM3.51ft
3:09PM4.72ft
5:34AM3.08ft
3:49PM4.59ft
7:05AM2.79ft
4:40PM4.3ft
10:19AM2.76ft
6:00PM3.94ft
11:28AM2.95ft
7:57PM3.67ft
11:58AM3.08ft
9:36PM3.64ft
12:15PM3.22ft
10:50PM3.74ft
12:21PM3.31ft
11:44PM3.81ft
12:27PM3.48ft
00:26AM3.84ft
Low Tide
8:09AM0.03ft
8:33PM-0.49ft
8:47AM0.33ft
9:20PM-0.75ft
9:24AM0.66ft
10:10PM-0.85ft
10:01AM1.02ft
11:04PM-0.79ft
10:38AM1.35ft
00:06AM-0.59ft
11:20AM1.57ft
1:16AM-0.39ft
12:40PM1.77ft
2:31AM-0.2ft
2:36PM1.77ft
3:43AM-0.1ft
4:04PM1.54ft
4:43AM-0.03ft
5:06PM1.21ft
5:33AM0.07ft
5:55PM0.89ft
6:15AM0.2ft
6:36PM0.59ft
Wave
height (ft) 
direction
period (s) 
1.5
ESE
3
1.5
SE
3
1.5
SE
3
1
SE
3
1
S
3
1
SE
2
0.5
SSE
2
1
S
2
0.5
S
2
0
W
3
0.5
W
2
0.5
W
2
0.5
ESE
2
1.5
S
3
1
ESE
2
1
SE
3
1.5
S
3
1.5
ESE
3
1.5
SE
3
1
SSE
3
1.5
ESE
3
1
SE
2
1.5
S
3
1.5
SE
3
0.5
ESE
2
1
S
3
0.5
ESE
2
0.5
S
2
0.5
SSW
2
0.5
S
2
0.5
SE
2
1
SSW
2
1.5
SE
2
1.5
SE
3
2
SSE
4
2
SE
3
cloud
rain showers
thunderstorm
clear
thunderstorm
thunderstorm
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
thunderstorm
cloudy
rain shwrs
risk tstorm
clear
risk tstorm
risk tstorm
clear
clear
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
risk tstorm
 mph
15
E
10
ESE
10
ESE
10
SE
10
S
10
SE
10
SSE
10
SSW
5
SSW
5
S
10
W
5
NE
10
SE
15
S
15
E
10
SE
15
SSE
10
E
15
ESE
10
SSE
10
E
10
SE
15
S
10
ESE
10
SE
10
SSW
10
E
5
SE
10
SW
0
ENE
5
SE
10
SSW
10
ESE
10
ESE
20
SSE
20
SE
 in 
0.04
0.08
0.04
0.1
0.04
0.1
max°F
75
79
75
77
79
77
75
77
75
77
79
75
79
81
82
79
82
82
77
82
81
77
81
81
77
81
75
75
77
73
75
79
77
77
81
79
Moonrise
7:21
7:59
8:40
9:26
10:18
11:16
12:18
1:21
2:23
3:21
4:17
5:10
Moonset
8:12
9:20
10:31
11:42
12:50
1:53
2:48
3:35
4:15
4:50
5:20
Sunrise
7:20
7:18
7:18
7:16
7:16
7:15
7:13
7:13
7:11
7:11
7:09
7:09
Sunset
7:40
7:40
7:42
7:42
7:43
7:43
7:44
7:44
7:45
7:45
7:45
7:45
Today's sea temperature in Round Key is 75 °F (Statistics for 29 Mar 1981-2005 – mean: 75 max: 79 min: 73°F)
Issued (local time): 1 am Saturday 29 Mar 2025
Forecast update inUpdates in 2 hr 37 min 08 sUpdate imminent
Nearest