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 07:03 AM and sunset is at 07:47 PM.

Days 1–3 Weather Summary

Mostly dry. Warm air temperatures (max 24°C on Fri morning, min 22°C on Thu night). Wind will be generally light.

Days 4–6 Weather Summary

Moderate rain (total 11mm), heaviest on Mon night. Warm air temperatures (max 25°C on Sun afternoon, min 22°C on Tue night). Winds increasing (light winds from the ENE on Sun afternoon, strong winds from the ENE by Tue night).

Days 7–9 Weather Summary

Heavy rain (total 78mm), heaviest during Wed afternoon. Warm (max 23°C on Thu night, min 19°C on Wed afternoon). Winds decreasing (strong winds from the ENE on Wed morning, light winds from the E by Fri afternoon).

Days 10–12 Weather Summary

Mostly dry. Warm (max 25°C on Sun afternoon, min 23°C on Sat morning). Wind will be generally light.

Thursday
16
Friday
17
Saturday
18
Sunday
19
Monday
20
Tuesday
21
Wednesday
22
Thursday
23
Friday
24
Saturday
25
Sunday
26
Monday
27
Tuesday
28
Wednesday
29
Thursday
30
Fri
1
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
1:11PM0.73m
2:13AM0.62m
1:48PM0.79m
3:02AM0.59m
2:28PM0.83m
3:50AM0.56m
3:10PM0.86m
4:38AM0.52m
3:55PM0.86m
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
Low Tide
7:35AM0.29m
8:17PM0.11m
8:03AM0.31m
9:02PM0.06m
8:31AM0.33m
9:51PM0.04m
8:59AM0.35m
10:44PM0.05m
9:28AM0.36m
11:42PM0.07m
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
Wave
height (m) 
direction
period (s) 
0.3
E
2
0.3
E
2
0.4
NE
2
0.2
ENE
2
0.2
E
2
0.4
E
3
0.3
E
2
0.3
ESE
2
0.3
E
2
0.1
E
2
0.1
E
2
0.3
NNW
2
0.2
NNW
2
0.4
ESE
2
0.8
ENE
4
0.8
ENE
4
0.8
ENE
4
0.7
ENE
4
0.7
ENE
3
0.4
ENE
3
0.5
E
3
0.4
NE
2
0.2
ENE
2
0.3
ENE
2
0.2
ENE
2
0.1
NE
2
0.2
E
2
0.2
E
2
0.1
E
2
0.3
ESE
2
0.2
SSE
2
0.1
SE
2
0.2
SSE
2
0.2
SSE
2
0.2
S
2
0.2
S
2
0.1
S
3
0.1
SW
3
0.2
S
2
0.2
SSW
2
0.2
S
2
1.1
SW
4
0.5
W
3
0.5
WNW
3
0.7
NW
4
0.4
WNW
3
0.5
W
4
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
thunderstorm
rain showers
rain showers
light rain
thunderstorm
heavy rain
heavy rain
rain showers
thunderstorm
thunderstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
cloud
thunderstorm
mod rain
thunderstorm
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
risk tstorm
rain shwrs
rain shwrs
light rain
risk tstorm
heavy rain
heavy rain
rain shwrs
risk tstorm
risk tstorm
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
cloudy
risk tstorm
mod rain
risk tstorm
clear
some clouds
cloudy
clear
 km/h
25
E
20
E
25
NE
20
E
20
E
25
E
20
E
25
ESE
20
E
10
ENE
5
NW
20
N
10
NE
25
E
45
ENE
45
ENE
45
ENE
45
ENE
40
ENE
30
ENE
30
E
20
NE
20
E
20
ENE
15
ENE
10
E
20
ENE
15
E
10
ESE
25
ESE
20
SE
10
SE
20
SE
20
S
10
WSW
15
S
5
SSW
10
SW
15
S
15
SSW
20
ESE
55
SW
30
WNW
30
WNW
30
NW
20
WNW
25
WNW
 mm 
3
2
2
4
13
43
13
5
2
2
2
10
4
max°C
23
23
23
24
24
24
24
24
24
24
25
25
24
25
24
23
23
23
21
20
22
22
22
23
22
23
23
23
24
24
24
25
25
25
25
25
25
26
26
25
24
26
24
24
24
23
24
Moonrise
6:13
6:51
7:34
8:23
9:20
10:23
11:29
12:36
1:40
2:41
3:38
4:33
5:27
6:20
7:14
8:10
Moonset
7:12
8:18
9:28
10:39
11:48
12:51
1:47
2:34
3:14
3:50
4:22
4:53
5:23
5:54
6:28
Sunrise
7:03
7:01
7:01
7:00
6:58
6:58
6:56
6:56
6:56
6:54
6:54
6:52
6:52
6:52
6:50
6:50
Sunset
7:47
7:47
7:49
7:49
7:50
7:50
7:51
7:51
7:51
7:52
7:52
7:52
7:52
7:53
7:53
7:54
Today's sea temperature in Big Spanish Key is
25.5° C
(Statistics for 16 Apr 1981-2005 – mean: 25.0 max: 26.5 min: 23.7°C)
Issued (local time): 7 am Thursday 16 Apr 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest