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 4mm), mostly falling on Thu night. Warm air temperatures (max 24°C on Wed afternoon, min 17°C on Tue night). Winds increasing (calm on Wed afternoon, fresh winds from the NNW by Fri afternoon).

Days 4–6 Weather Summary

Mostly dry. Warm air temperatures (max 25°C on Mon afternoon, min 13°C on Fri night). Wind will be generally light.

Days 7–9 Weather Summary

Mostly dry. Warm (max 24°C on Tue morning, min 18°C on Mon night). Wind will be generally light.

Days 10–12 Weather Summary

Mostly dry. Warm (max 21°C on Thu night, min 17°C on Sun afternoon). Wind will be generally light.

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
12:37PM0.66m
10:03PM1.01m
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
Low Tide
3:33PM0.62m
5:57AM0.07m
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
Wave
height (m) 
direction
period (s) 
0.4
E
3
0.2
SSE
4
0.5
SE
3
0.7
SSE
4
0.8
S
4
0.8
S
5
0.6
SW
4
0.7
WSW
4
0.9
WNW
6
0.7
WNW
6
0.5
WNW
6
0.4
WNW
5
0.3
WNW
5
0.3
NW
3
0.4
NE
3
0.4
ENE
3
0.3
NNE
3
0.5
ENE
3
0.4
NE
3
0.2
N
3
0.6
ESE
4
0.4
ESE
3
0.2
WSW
3
0.4
ESE
3
0.3
SSE
4
0.2
SSE
4
0.1
S
4
0.1
S
4
0.1
S
4
0.2
WNW
2
0.4
WNW
3
0.4
WNW
4
0.5
NW
4
0.5
NW
3
0.6
NW
4
part cloud
part cloud
part cloud
part cloud
part cloud
thunderstorm
clear
part cloud
clear
clear
clear
part cloud
clear
clear
part cloud
part cloud
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
some clouds
some clouds
some clouds
some clouds
some clouds
risk tstorm
clear
some clouds
clear
clear
clear
some clouds
clear
clear
some clouds
some clouds
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
clear
 km/h
20
ENE
5
ENE
20
ESE
25
SE
25
S
20
SSW
15
WNW
30
NNW
20
NNE
20
NE
10
NNE
15
ENE
15
ENE
15
NNW
20
ENE
20
ENE
20
NE
20
NE
20
ENE
10
ENE
20
E
15
E
15
N
15
ESE
10
ESE
10
WSW
5
NNW
5
NW
10
W
15
NW
15
NNW
20
NW
15
N
20
NNW
20
NNW
 mm 
4
max°C
23
24
21
24
24
23
22
20
17
18
21
20
22
23
22
23
25
20
24
24
20
23
24
22
21
21
21
21
21
20
21
21
20
19
18
Moonrise
5:13
6:09
7:04
7:56
8:44
9:27
10:05
10:39
11:11
11:41
12:12
12:45
Moonset
3:41
4:25
5:14
6:09
7:06
8:05
9:04
10:02
11:00
11:59
12:59
Sunrise
7:13
7:13
7:15
7:15
7:16
7:16
7:16
7:16
7:18
7:18
7:18
7:18
Sunset
5:38
5:38
5:39
5:39
5:40
5:40
5:42
5:42
5:43
5:43
5:44
5:45
Today's sea temperature in Longboat Key is
20.4° C
(Statistics for 17 Dec 1981-2005 – mean: 22.5 max: 24.1 min: 21.4°C)
Issued (local time): 12 am Wednesday 17 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest