Helsinki Sea Conditions and Tide Table

Helsinki 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 — and sunset is at —.

Days 1–4 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Low air temperatures (max 7°C on Wed night, min 2°C on Thu morning). Wind will be generally light.

Days 5–7 Weather Summary

Light rain (total 2mm), mostly falling on Fri night. Low air temperatures (max 6°C on Fri night, min 1°C on Sun night). Winds decreasing (fresh winds from the WSW on Sat morning, light winds from the NW by Mon morning).

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Mon night, min -9°C on Wed morning). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 4°C on Sat morning, min -5°C on Sun afternoon). Winds increasing (calm on Thu night, fresh winds from the W by Sat morning).

Wednesday
17
Thursday
18
Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sun
28
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
00:06AM0.04m
00:35AM0.04m
1:09AM0.04m
1:47AM0.04m
2:26AM0.04m
3:04AM0.04m
3:39AM0.04m
4:11AM0.04m
4:37AM0.04m
4:56AM0.03m
4:49AM0.03m
11:42PM0.02m
Low Tide
12:57PM0.01m
1:12PM0.00m
1:40PM0.00m
2:09PM0.00m
2:47PM0.00m
3:14PM0.00m
3:29PM0.00m
3:26PM0.01m
3:06PM0.01m
2:36PM0.01m
2:01PM0.01m
1:25PM0.01m
Wave
height (m) 
direction
period (s) 
0.6
SW
4
0.6
SW
4
1.2
SW
5
0.8
WSW
4
0.2
WSW
4
0.5
SW
3
1.1
SW
4
0.8
SW
4
1
SSW
4
1.5
SW
6
1.4
SW
5
1.7
SW
6
1.2
SW
5
0.8
SW
4
0.6
SW
4
0.4
WSW
3
0.2
WSW
4
0.1
W
3
0.3
NE
2
0.6
E
4
0.7
E
4
0.9
E
5
0.9
ESE
5
0.7
ESE
5
0.5
E
4
0.4
ENE
3
0.4
ENE
3
0.2
E
4
0.5
WSW
3
1
WSW
4
1.3
WSW
5
1
WSW
5
0.7
W
4
0.9
NNE
4
0.8
NNE
4
0.6
N
3
part cloud
part cloud
light rain
rain showers
clear
part cloud
part cloud
cloud
cloud
light rain
cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
clear
clear
part cloud
clear
cloud
part cloud
part cloud
part cloud
clear
clear
some clouds
some clouds
light rain
rain shwrs
clear
some clouds
some clouds
cloudy
cloudy
light rain
cloudy
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
clear
clear
some clouds
clear
cloudy
some clouds
some clouds
some clouds
clear
clear
 km/h
15
WSW
20
SSW
30
SW
20
WNW
10
WSW
15
SSW
25
SW
20
SSW
20
SSW
25
SW
30
WSW
30
WSW
20
WSW
15
W
15
W
15
WNW
5
NW
10
NNW
10
NNE
15
NE
15
NE
20
NE
15
NE
15
NE
10
NE
10
NNE
10
NE
5
NW
15
W
25
W
25
W
25
WNW
20
NW
25
N
20
N
15
N
 mm 
1
3
2
max°C
5
5
6
7
3
4
5
5
5
6
6
6
6
3
4
3
1
1
1
-2
-3
-5
-8
-7
-6
-6
-4
-2
-2
-2
1
4
2
1
-3
-4
Moonrise
7:16
8:49
10:14
11:10
11:33
11:42
11:45
11:45
11:45
11:44
11:43
11:42
Moonset
12:41
12:49
1:10
2:03
3:28
5:05
6:43
8:18
9:51
11:24
12:58
Sunrise
9:19
9:21
9:22
9:22
9:22
9:23
9:23
9:25
9:25
9:25
9:25
9:25
Sunset
3:10
3:11
3:11
3:11
3:11
3:11
3:12
3:12
3:14
3:15
3:15
3:17
Today's sea temperature in Helsinki is
4.5° C
(Statistics for 16 Dec 1981-2005 – mean: 2.9 max: 4.7 min: 1.6°C)
Issued (local time): 7 pm Tuesday 16 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest