Big Spanish Key Sea Conditions and Tide Table

Big Spanish 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 07:05 AM and sunset is at 05:40 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Sat afternoon, min 20°C on Sat morning). Winds increasing (light winds from the NE on Sat afternoon, strong winds from the ENE by Mon afternoon).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm air temperatures (max 24°C on Tue morning, min 22°C on Tue night). Winds decreasing (fresh winds from the ENE on Tue afternoon, light winds from the ENE by Thu afternoon).

Days 7–9 Weather Summary

Mostly dry. Warm (max 23°C on Sat afternoon, min 20°C on Sun morning). Wind will be generally light.

Days 10–12 Weather Summary

Light rain (total 5mm), mostly falling on Mon afternoon. Warm (max 23°C on Mon afternoon, min 21°C on Mon morning). Mainly strong winds.

Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
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
2:03PM0.52m
1:17AM0.80m
2:36PM0.52m
1:59AM0.80m
3:14PM0.52m
2:41AM0.79m
3:52PM0.53m
3:25AM0.77m
4:32PM0.54m
4:11AM0.73m
5:13PM0.57m
5:03AM0.67m
5:55PM0.60m
6:01AM0.61m
6:38PM0.64m
7:08AM0.55m
7:26PM0.69m
8:26AM0.50m
8:17PM0.74m
10:05AM0.47m
9:13PM0.79m
12:04PM0.46m
10:10PM0.82m
Low Tide
8:26AM0.17m
7:26PM0.41m
9:06AM0.17m
7:48PM0.41m
9:47AM0.18m
8:07PM0.41m
10:26AM0.19m
8:37PM0.41m
11:05AM0.22m
9:28PM0.40m
11:42AM0.25m
10:57PM0.39m
12:20PM0.28m
00:44AM0.36m
12:58PM0.33m
2:08AM0.30m
1:40PM0.37m
3:19AM0.23m
2:28PM0.39m
4:21AM0.16m
3:21PM0.41m
5:19AM0.10m
4:15PM0.40m
6:13AM0.06m
Wave
height (m) 
direction
period (s) 
0.4
NNE
3
0.2
N
3
0.2
N
3
0.3
N
3
0.2
NNE
3
0.3
ENE
2
0.5
ENE
3
0.6
E
3
0.6
E
3
0.4
E
3
0.4
ENE
3
0.5
ENE
3
0.5
NE
3
0.4
E
3
0.5
E
3
0.4
ENE
3
0.2
ENE
2
0.5
E
3
0.4
ENE
3
0.3
E
2
0.2
E
2
0.3
NE
2
0.2
ENE
2
0.2
ENE
2
0.3
NE
2
0.1
NE
2
0.1
NW
3
0.4
NE
3
0.6
E
3
0.6
E
3
0.5
E
3
0.5
E
3
0.4
E
3
0.4
ESE
3
0.3
ESE
2
0.4
E
3
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
clear
clear
part cloud
cloud
part cloud
rain showers
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
rain showers
clear
clear
part cloud
part cloud
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
clear
clear
some clouds
cloudy
some clouds
rain shwrs
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
rain shwrs
clear
clear
some clouds
some clouds
clear
clear
rain shwrs
 km/h
20
NE
10
NE
15
ENE
20
ENE
15
E
25
ENE
30
ENE
40
ENE
35
E
25
E
30
ENE
30
ENE
30
NE
30
E
30
ENE
25
ENE
15
ENE
35
ENE
25
ENE
20
E
15
ENE
20
NE
15
ENE
15
NE
15
NE
10
N
10
NNE
25
NE
35
E
35
E
30
E
35
E
30
E
25
E
25
E
25
E
 mm 
2
2
3
max°C
22
24
24
23
24
23
22
22
24
24
23
22
22
23
22
23
22
22
22
22
22
22
23
22
21
22
22
22
23
22
23
23
23
23
23
22
Moonrise
7:43
8:31
9:15
9:55
10:30
11:04
11:36
12:08
12:43
1:21
2:05
2:57
Moonset
6:11
7:08
8:06
9:03
10:00
10:56
11:53
12:52
1:53
2:59
4:08
Sunrise
7:05
7:05
7:05
7:05
7:07
7:07
7:07
7:07
7:07
7:09
7:09
7:09
Sunset
5:40
5:40
5:42
5:42
5:43
5:43
5:44
5:45
5:45
5:45
5:45
5:46
Today's sea temperature in Big Spanish Key is
22.9° C
(Statistics for 20 Dec 1981-2005 – mean: 24.8 max: 26.3 min: 23.3°C)
Issued (local time): 12 pm Saturday 20 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest