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 06:58 AM and sunset is at 07:50 PM.

Days 1–3 Weather Summary

Light rain (total 4mm), mostly falling on Tue morning. Warm air temperatures (max 24°C on Tue morning, min 23°C on Tue night). Winds decreasing (strong winds from the ENE on Tue morning, moderate winds from the ESE by Thu night).

Days 4–6 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Warm air temperatures (max 25°C on Sat afternoon, min 24°C on Fri morning). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 26°C on Mon afternoon, min 25°C on Mon morning). Wind will be generally light.

Days 10–12 Weather Summary

Some drizzle, heaviest during Sat night. Warm (max 27°C on Sat night, min 25°C on Thu morning). Winds decreasing (fresh winds from the SE on Fri night, calm by Sun morning).

Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Friday
1
Saturday
2
Sunday
3
Monday
4
Tuesday
5
Wed
6
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
5:28AM0.48m
4:45PM0.84m
6:22AM0.45m
5:39PM0.80m
7:30AM0.43m
6:40PM0.74m
11:09AM0.45m
7:50PM0.68m
11:38AM0.49m
9:14PM0.63m
11:59AM0.54m
11:04PM0.60m
12:10PM0.59m
00:36AM0.58m
12:19PM0.64m
1:32AM0.57m
12:36PM0.69m
2:10AM0.55m
1:01PM0.72m
2:36AM0.54m
1:31PM0.75m
2:58AM0.53m
2:04PM0.77m
3:24AM0.52m
2:41PM0.78m
3:55AM0.51m
3:20PM0.77m
4:30AM0.50m
4:01PM0.76m
Low Tide
9:59AM0.37m
00:46AM0.11m
10:35AM0.39m
1:55AM0.15m
12:30PM0.41m
3:01AM0.18m
2:31PM0.41m
4:01AM0.21m
3:57PM0.37m
4:52AM0.23m
5:06PM0.31m
5:37AM0.25m
6:04PM0.25m
6:18AM0.27m
6:55PM0.20m
6:55AM0.30m
7:41PM0.16m
7:30AM0.32m
8:23PM0.13m
8:04AM0.34m
9:04PM0.12m
8:35AM0.36m
9:45PM0.12m
9:03AM0.38m
10:27PM0.14m
9:22AM0.40m
11:13PM0.17m
9:04AM0.41m
Wave
height (m) 
direction
period (s) 
0.8
ENE
4
0.7
ENE
4
0.6
ENE
3
0.5
E
3
0.4
ESE
3
0.5
E
3
0.4
ESE
3
0.4
ESE
3
0.4
ESE
3
0.3
ESE
2
0.2
ESE
2
0.2
ESE
2
0.1
SE
2
0.1
E
2
0.1
E
1
0.1
SE
1
0
E
2
0
W
3
0.1
SE
2
0.1
S
2
0.1
SE
2
0.2
SSE
2
0.1
SE
2
0.2
ESE
2
0.1
SE
2
0.1
SE
2
0
W
4
0.1
S
4
0
W
4
0.1
SE
2
0.3
SE
2
0.4
SE
2
0.4
SE
3
0.2
S
2
0.1
S
2
0.1
W
2
0
W
3
0
W
3
0.3
E
2
0.4
SE
3
0.4
SE
3
0.4
SSE
3
0.5
S
3
0.2
SSW
5
0.3
SSE
2
0.3
SW
3
0.1
SW
3
thunderstorm
part cloud
cloud
part cloud
part cloud
rain showers
clear
part cloud
part cloud
clear
clear
rain showers
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
part cloud
clear
clear
clear
rain showers
clear
part cloud
rain showers
clear
clear
thunderstorm
clear
clear
clear
clear
clear
risk tstorm
some clouds
cloudy
some clouds
some clouds
rain shwrs
clear
some clouds
some clouds
clear
clear
rain shwrs
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
clear
clear
clear
rain shwrs
clear
some clouds
rain shwrs
clear
clear
risk tstorm
clear
clear
clear
clear
clear
 km/h
45
ENE
45
ENE
40
E
30
E
30
E
30
E
25
E
30
ESE
25
ESE
25
ESE
15
SE
15
ESE
15
ESE
5
S
10
ESE
10
SE
5
SSE
5
SE
15
SE
5
ESE
20
SE
20
SE
15
SE
15
SE
15
SE
10
SSE
10
SE
10
ESE
5
S
15
SE
25
SE
25
SE
30
SE
15
S
5
S
5
ENE
5
S
5
WNW
20
SE
30
SE
30
SE
30
SSW
35
SSW
10
SE
20
SSE
15
SSW
5
ESE
 mm 
2
2
2
1
2
3
max°C
24
24
24
24
24
24
24
24
24
24
24
24
24
25
25
25
25
25
25
26
26
25
26
25
25
25
25
25
26
26
25
26
26
26
26
27
26
27
27
26
26
27
26
27
27
26
27
Moonrise
10:23
11:29
12:36
1:40
2:41
3:38
4:33
5:27
6:20
7:14
8:10
9:05
10:00
10:54
11:45
Moonset
12:51
1:47
2:34
3:14
3:50
4:22
4:53
5:23
5:54
6:28
7:05
7:46
8:31
9:21
10:14
Sunrise
6:58
6:56
6:56
6:56
6:54
6:54
6:52
6:52
6:52
6:50
6:50
6:48
6:48
6:48
6:47
6:47
Sunset
7:50
7:51
7:51
7:51
7:52
7:52
7:52
7:52
7:53
7:53
7:54
7:54
7:55
7:55
7:57
7:57
Today's sea temperature in Big Spanish Key is
26.1° C
(Statistics for 21 Apr 1981-2005 – mean: 25.2 max: 27.2 min: 23.7°C)
Issued (local time): 1 am Tuesday 21 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest