Onsala Sea Conditions and Tide Table

Onsala 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 08:47 AM and sunset is at 03:26 PM.

Days 1–3 Weather Summary

Mostly dry. Low air temperatures (max 8°C on Tue night, min 5°C on Mon night). Winds decreasing (fresh winds from the S on Mon afternoon, light winds from the WSW by Wed afternoon).

Days 4–6 Weather Summary

Light rain (total 3mm), mostly falling on Fri morning. Low air temperatures (max 7°C on Thu night, min 5°C on Sat morning). Mainly strong winds.

Days 7–9 Weather Summary

Light rain (total 3mm), mostly falling on Tue morning. Mild temperatures (max 6°C on Tue night, min 3°C on Mon night). Winds decreasing (fresh winds from the S on Sun morning, light winds from the SSW by Tue afternoon).

Days 10–12 Weather Summary

A dusting of new snow. Temperatures will be slightly above freezing (max 4°C on Wed morning, min 1°C on Wed night). Wind will be generally light.

Monday
15
Tuesday
16
Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
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
4:08PM0.13m
4:20AM0.09m
4:51PM0.13m
4:53AM0.10m
5:34PM0.14m
5:27AM0.10m
6:16PM0.14m
6:03AM0.11m
6:58PM0.15m
6:46AM0.12m
7:43PM0.14m
7:28AM0.12m
8:29PM0.14m
8:19AM0.12m
9:21PM0.13m
9:17AM0.12m
10:08PM0.11m
10:18AM0.11m
10:59PM0.09m
11:20AM0.11m
11:53PM0.07m
12:22PM0.10m
00:35AM0.06m
Low Tide
9:26AM0.00m
10:34PM0.01m
10:04AM0.01m
11:10PM0.03m
10:42AM0.02m
11:47PM0.04m
11:21AM0.02m
00:24AM0.06m
12:03PM0.04m
1:04AM0.07m
12:49PM0.04m
1:49AM0.07m
1:41PM0.05m
2:36AM0.08m
2:43PM0.05m
3:27AM0.07m
4:00PM0.05m
4:21AM0.06m
5:18PM0.05m
5:06AM0.05m
6:33PM0.04m
5:52AM0.04m
7:36PM0.03m
Wave
height (m) 
direction
period (s) 
1.4
SSW
6
1.3
SSW
6
0.8
SSW
4
0.5
SSW
4
0.6
SSW
4
0.8
SSW
4
0.5
SSW
4
0.4
SW
4
0.3
SW
3
0.7
SSW
4
0.9
SSW
5
1
S
5
1.6
S
6
1.4
SSW
6
0.9
SW
5
0.8
SSW
4
1.3
SSW
5
1.4
SSW
6
1.4
SSW
6
1.2
SSW
6
0.7
SSW
4
0.5
S
4
0.4
SSW
3
0.4
SSW
3
0.4
SSW
3
0.3
SSW
3
0.5
SW
4
0.4
WNW
4
0.3
NNW
3
0.2
N
2
0.1
N
2
0.1
SE
2
0
W
2
0.1
NW
2
0.2
NNW
2
0.2
NNW
2
cloud
part cloud
part cloud
cloud
part cloud
cloud
part cloud
cloud
part cloud
part cloud
cloud
part cloud
light rain
light rain
part cloud
part cloud
cloud
part cloud
part cloud
part cloud
cloud
cloud
cloud
light rain
light rain
cloud
part cloud
clear
clear
part cloud
cloud
light snow
cloud
part cloud
clear
clear
cloudy
some clouds
some clouds
cloudy
some clouds
cloudy
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
light rain
light rain
some clouds
some clouds
cloudy
some clouds
some clouds
some clouds
cloudy
cloudy
cloudy
light rain
light rain
cloudy
some clouds
clear
clear
some clouds
cloudy
light snow
cloudy
some clouds
clear
clear
 km/h
30
SSW
30
S
25
S
20
S
25
SSE
25
S
15
SW
10
WSW
15
SSW
25
S
25
S
35
SSE
40
S
25
SW
25
SW
25
SSW
35
SSW
35
S
35
S
30
S
20
S
20
SSE
20
SSE
20
SSE
15
SSE
5
SSW
10
NW
15
NNE
15
N
10
NNE
10
ENE
5
ESE
5
NNW
10
N
15
N
10
N
 mm 
2
1
1
2
max°C
7
6
6
6
6
8
8
7
7
6
6
7
7
7
6
5
5
5
4
4
4
5
5
5
4
5
6
4
3
2
1
1
2
2
2
2
Moonrise
3:57
5:20
6:43
8:05
9:18
10:12
10:46
11:05
11:17
11:24
11:29
11:32
Moonset
12:44
12:51
1:02
1:21
1:54
2:48
4:03
5:28
6:57
8:25
9:52
11:20
Sunrise
8:47
8:48
8:48
8:48
8:49
8:51
8:51
8:52
8:52
8:52
8:52
8:52
Sunset
3:26
3:26
3:26
3:26
3:26
3:26
3:27
3:27
3:29
3:29
3:30
3:30
Today's sea temperature in Onsala is
7.2° C
(Statistics for 15 Dec 1981-2005 – mean: 4.4 max: 6.7 min: 3.0°C)
Issued (local time): 12 pm Monday 15 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest