Key West Sea Conditions and Tide Table

Key West 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 07:05 AM and sunset is at 05:42 PM.

Days 1–3 Weather Summary

Light rain (total 3mm), mostly falling on Thu night. Warm air temperatures (max 25°C on Thu morning, min 20°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 23°C on Sun afternoon, min 21°C on Sun night). Winds increasing (moderate winds from the ENE on Sun afternoon, strong winds from the ENE by Mon afternoon).

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Thu afternoon, min 21°C on Wed morning). Mainly strong winds.

Days 10–12 Weather Summary

Mostly dry. Warm (max 24°C on Mon night, min 22°C on Sat morning). Mainly fresh winds.

Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
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
9:43AM0.30m
8:23PM0.55m
10:14AM0.29m
9:02PM0.55m
10:45AM0.29m
9:42PM0.56m
11:18AM0.30m
10:23PM0.57m
11:54AM0.31m
11:04PM0.56m
12:31PM0.32m
11:48PM0.55m
1:10PM0.34m
00:35AM0.51m
1:49PM0.37m
1:28AM0.46m
2:29PM0.40m
2:31AM0.41m
3:11PM0.43m
3:48AM0.34m
3:57PM0.46m
5:21AM0.30m
4:49PM0.50m
6:52AM0.27m
Low Tide
1:48PM0.17m
3:21AM-0.08m
2:21PM0.16m
3:57AM-0.09m
2:54PM0.15m
4:33AM-0.08m
3:29PM0.15m
5:09AM-0.07m
4:08PM0.15m
5:46AM-0.05m
4:53PM0.15m
6:25AM-0.02m
5:46PM0.15m
7:04AM0.01m
6:49PM0.14m
7:46AM0.05m
8:03PM0.12m
8:30AM0.09m
9:22PM0.07m
9:17AM0.12m
10:39PM0.01m
10:08AM0.13m
11:47PM-0.07m
Wave
height (m) 
direction
period (s) 
0.6
ESE
4
0.5
ESE
5
0.4
ESE
4
0.2
E
4
0.3
NW
2
0.4
NNW
3
0.5
N
4
0.4
WNW
6
0.5
N
4
0.6
ENE
4
0.6
E
4
0.9
ENE
5
1.1
ENE
5
1.4
ENE
5
1.5
ENE
6
1.3
E
6
1.2
E
5
1.4
E
6
1
E
5
1.1
E
5
1.3
ENE
5
1.3
E
5
1
E
5
0.9
E
5
1
E
5
0.9
E
5
0.8
E
5
0.8
E
4
0.7
E
4
0.9
E
5
0.7
E
5
0.8
E
4
0.7
E
5
0.6
E
5
0.6
ESE
5
0.6
ESE
5
cloud
part cloud
light rain
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
cloud
part cloud
part cloud
clear
clear
clear
clear
cloud
part cloud
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
part cloud
cloud
part cloud
cloud
cloudy
some clouds
light rain
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
cloudy
some clouds
some clouds
clear
clear
clear
clear
cloudy
some clouds
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
some clouds
cloudy
some clouds
cloudy
 km/h
20
SE
20
SE
10
SSE
15
W
20
NNW
25
N
25
NNE
15
ENE
20
ENE
25
ENE
20
ENE
30
ENE
35
ENE
40
ENE
40
ENE
35
ENE
40
ENE
35
ENE
30
ENE
35
ENE
40
ENE
35
ENE
30
ENE
30
ENE
30
ENE
30
E
25
ENE
25
ENE
25
ENE
25
ENE
25
ENE
30
ENE
25
E
25
E
20
E
20
E
 mm 
3
max°C
25
25
25
25
23
22
21
23
23
22
23
22
22
22
22
23
22
22
22
22
22
22
23
22
22
23
22
22
23
22
23
23
23
23
23
24
Moonrise
5:57
6:52
7:44
8:32
9:16
9:56
10:32
11:05
11:37
12:10
12:45
1:23
Moonset
4:30
5:20
6:14
7:10
8:08
9:05
10:02
10:58
11:55
12:53
1:55
Sunrise
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:09
7:09
7:09
7:09
Sunset
5:42
5:42
5:43
5:43
5:44
5:44
5:45
5:45
5:45
5:46
5:46
5:47
Today's sea temperature in Key West is
24.2° C
(Statistics for 18 Dec 1981-2005 – mean: 25.1 max: 26.5 min: 23.8°C)
Issued (local time): 12 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest