Longboat Key Sea Conditions and Tide Table

Longboat 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 07:13 AM and sunset is at 05:38 PM.

Days 1–3 Weather Summary

Light rain (total 2mm), mostly falling on Thu night. Warm air temperatures (max 24°C on Thu night, min 14°C on Fri night). Wind will be generally light.

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Tue afternoon, min 17°C on Sun night). Mainly fresh winds.

Days 7–9 Weather Summary

Mostly dry. Warm (max 25°C on Thu afternoon, min 19°C on Wed morning). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 23°C on Sat afternoon, min 18°C on Sat night). Wind will be generally light.

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
1:18PM0.66m
10:39PM1.04m
1:55PM0.66m
11:17PM1.06m
2:29PM0.65m
11:54PM1.07m
3:02PM0.64m
00:33AM1.06m
3:35PM0.64m
1:13AM1.03m
4:06PM0.65m
1:55AM0.98m
4:36PM0.67m
2:44AM0.90m
5:07PM0.70m
3:45AM0.81m
5:39PM0.75m
5:07AM0.71m
6:13PM0.81m
7:00AM0.64m
6:53PM0.88m
9:07AM0.62m
7:37PM0.96m
Low Tide
4:07PM0.62m
6:35AM0.05m
4:41PM0.62m
7:12AM0.04m
5:15PM0.61m
7:49AM0.05m
5:53PM0.60m
8:26AM0.07m
6:35PM0.59m
9:02AM0.11m
7:28PM0.58m
9:39AM0.16m
8:32PM0.57m
10:15AM0.22m
9:53PM0.55m
10:51AM0.30m
11:28PM0.49m
11:28AM0.39m
1:04AM0.40m
12:06PM0.48m
2:27AM0.27m
12:46PM0.55m
3:34AM0.15m
Wave
height (m) 
direction
period (s) 
0.6
SSE
4
0.6
S
4
0.6
S
4
0.6
SW
4
0.8
W
4
0.9
WNW
6
0.7
WNW
6
0.4
WNW
6
0.3
WNW
5
0.3
W
4
0.3
NNW
2
0.6
NE
3
0.6
NE
3
0.4
ENE
3
0.7
ENE
4
0.6
E
4
0.4
SE
4
0.5
E
3
0.4
ENE
3
0.3
NE
2
0.5
E
3
0.4
NE
3
0.3
NNE
2
0.5
E
3
0.4
SE
3
0.3
SW
3
0.2
NNW
3
0.2
E
2
0.2
WSW
3
0.2
NNW
3
0.2
SSE
3
0.2
S
3
0.2
N
2
0.2
SSE
3
0.1
S
3
0.2
E
2
part cloud
part cloud
thunderstorm
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
risk tstorm
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
20
SE
20
SSE
20
SSW
15
WNW
25
NNW
20
NNE
20
ENE
10
N
15
E
15
ENE
20
NNW
25
ENE
25
NE
25
ENE
30
ENE
25
ENE
15
NE
20
ENE
20
ENE
15
NE
20
E
20
NE
15
NNE
20
E
15
E
15
NNW
10
ESE
15
ENE
10
NNW
10
ESE
10
E
10
NW
15
E
10
ESE
10
W
15
ENE
 mm 
2
max°C
23
23
24
22
19
17
19
22
21
21
23
20
23
24
21
23
25
20
22
24
20
23
25
22
23
23
21
22
23
21
21
22
21
21
21
20
Moonrise
6:09
7:04
7:56
8:44
9:27
10:05
10:39
11:11
11:41
12:12
12:45
1:22
Moonset
4:25
5:14
6:09
7:06
8:05
9:04
10:02
11:00
11:59
12:59
2:03
Sunrise
7:13
7:15
7:15
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
7:18
Sunset
5:38
5:39
5:39
5:40
5:40
5:42
5:42
5:43
5:43
5:44
5:45
5:45
Today's sea temperature in Longboat Key is
20.1° C
(Statistics for 18 Dec 1981-2005 – mean: 22.5 max: 24.1 min: 20.7°C)
Issued (local time): 12 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest