Chateau-d'Olonne Sea Conditions and Tide Table

Chateau-d'Olonne 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 08:45 AM and sunset is at 05:21 PM.

Days 1–3 Weather Summary

Moderate rain (total 17mm), heaviest on Thu night. Cool air temperatures (max 14°C on Thu morning, min 8°C on Fri night). Winds decreasing (strong winds from the S on Thu afternoon, light winds from the SE by Fri night).

Days 4–6 Weather Summary

Moderate rain (total 15mm), heaviest on Sun afternoon. Cool air temperatures (max 11°C on Sun morning, min 5°C on Tue morning). Winds decreasing (fresh winds from the SW on Sun morning, calm by Mon afternoon).

Days 7–9 Weather Summary

Mostly dry. Freeze-thaw conditions (max 8°C on Wed morning, min -2°C on Fri night). Mainly fresh winds.

Days 10–12 Weather Summary

Mostly dry. Freeze-thaw conditions (max 6°C on Mon night, min -3°C on Sun night). Mainly fresh winds.

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
3:46PM3.66m
3:59AM3.84m
4:19PM3.73m
4:31AM3.93m
4:50PM3.77m
5:03AM3.98m
5:22PM3.77m
5:35AM3.99m
5:53PM3.73m
6:08AM3.97m
6:26PM3.67m
6:42AM3.92m
7:02PM3.59m
7:20AM3.84m
7:44PM3.50m
8:03AM3.75m
8:34PM3.41m
8:55AM3.64m
9:36PM3.34m
10:01AM3.54m
10:52PM3.34m
11:22AM3.52m
00:12AM3.44m
Low Tide
9:22AM0.73m
9:38PM0.72m
10:02AM0.61m
10:17PM0.63m
10:41AM0.52m
10:55PM0.56m
11:19AM0.48m
11:32PM0.53m
11:57AM0.48m
00:09AM0.55m
12:36PM0.52m
00:48AM0.60m
1:16PM0.57m
1:28AM0.68m
1:58PM0.64m
2:12AM0.78m
2:45PM0.72m
3:02AM0.89m
3:38PM0.80m
3:59AM0.97m
4:37PM0.85m
5:03AM0.99m
5:41PM0.85m
6:12AM0.91m
Wave
height (m) 
direction
period (s) 
2.5
W
13
3.5
W
20
3.5
W
18
3.5
W
16
3
W
16
3
W
16
2.3
W
15
1.9
W
14
3
W
13
3.5
W
13
3.5
W
16
3
W
16
2.5
W
15
2.2
W
15
1.8
W
14
1.6
W
12
1.4
W
12
1.7
WSW
10
1.8
WSW
10
1.7
WSW
9
1.5
W
15
1.4
W
14
1.3
W
13
1.2
NNE
5
1
NE
4
0.6
W
12
0.6
W
7
0.7
W
7
0.6
W
14
0.8
W
14
0.8
WSW
13
0.8
W
12
1
ENE
5
1
ENE
4
0.7
W
13
0.9
W
12
part cloud
light rain
mod rain
cloud
part cloud
cloud
cloud
rain showers
mod rain
light rain
light rain
rain showers
rain showers
rain showers
rain showers
cloud
cloud
light rain
cloud
part cloud
part cloud
cloud
cloud
cloud
cloud
part cloud
clear
clear
clear
clear
part cloud
part cloud
clear
clear
part cloud
part cloud
some clouds
light rain
mod rain
cloudy
some clouds
cloudy
cloudy
rain shwrs
mod rain
light rain
light rain
rain shwrs
rain shwrs
rain shwrs
rain shwrs
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
cloudy
cloudy
cloudy
cloudy
some clouds
clear
clear
clear
clear
some clouds
some clouds
clear
clear
some clouds
some clouds
 km/h
40
S
45
S
30
SW
15
N
10
N
10
ENE
15
SE
20
SE
45
SW
30
SW
15
WSW
5
SW
10
SSE
5
SW
15
SE
30
ESE
25
ESE
30
E
25
E
25
NE
30
NE
30
NE
30
NE
30
NE
30
NE
20
NE
20
NE
20
NE
20
NE
20
NE
25
NE
25
ENE
30
NE
30
ENE
20
ENE
25
E
 mm 
1
9
1
6
1
4
4
1
1
1
3
max°C
14
14
13
11
11
9
10
12
11
11
9
9
10
11
9
7
7
7
8
8
6
5
5
4
0
2
0
2
3
0
1
4
0
1
4
6
Moonrise
7:41
8:42
9:36
10:20
10:54
11:22
11:44
12:02
12:20
12:36
12:54
1:15
Moonset
3:41
4:24
5:19
6:22
7:31
8:43
9:55
11:07
12:20
1:35
2:53
Sunrise
8:45
8:45
8:47
8:47
8:48
8:48
8:48
8:48
8:48
8:49
8:49
8:49
Sunset
5:21
5:21
5:21
5:22
5:22
5:22
5:22
5:23
5:24
5:24
5:25
5:27
Today's sea temperature in Chateau-d'Olonne is
12.2° C
(Statistics for 18 Dec 1981-2005 – mean: 12.9 max: 13.9 min: 11.8°C)
Issued (local time): 6 am Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest