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 03:14 PM.

Days 1–4 Weather Summary

Mostly dry. Icy conditions (max 7°C on Thu night, min -2°C on Sun morning). Winds increasing (light winds from the NW on Fri afternoon, strong winds from the NNW by Sat night).

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sun night, min -6°C on Tue night). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Temperatures will be below freezing (max -5°C on Wed afternoon, min -7°C on Wed night). Wind will be generally light.

Days 11–13 Weather Summary

A dusting of new snow. Temperatures will be below freezing (max -1°C on Tue afternoon, min -10°C on Sun night). Wind will be generally light.

Thu
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tuesday
30
Wednesday
31
Thursday
1
Friday
2
Saturday
3
Sunday
4
Monday
5
Tue
6
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
AM
Wave Height Map
High Tide
4:56AM0.03m
4:49AM0.03m
11:42PM0.02m
10:41PM0.03m
10:47PM0.04m
11:20PM0.04m
11:55PM0.05m
00:43AM0.05m
1:26AM0.05m
2:16AM0.05m
3:00AM0.05m
3:35AM0.04m
Low Tide
3:06PM0.01m
2:36PM0.01m
2:01PM0.01m
1:25PM0.01m
12:51PM0.01m
12:17PM0.01m
12:10PM0.00m
12:32PM-0.00m
1:09PM-0.00m
1:53PM-0.00m
2:35PM-0.00m
3:06PM0.00m
Wave
height (m) 
direction
period (s) 
1.2
WSW
5
0.6
NW
3
0.4
NW
3
0.2
NNW
2
0.3
WSW
2
0.9
WNW
4
1.1
WNW
4
1.4
NNW
4
1.1
N
4
0.4
NNW
3
0.4
W
3
0.6
NW
3
0.6
NW
3
0.7
NW
3
0.8
N
4
0.6
NNE
3
0.8
N
4
0.7
N
3
0.6
N
3
0.4
N
3
0.4
NNW
3
0.4
NW
3
0.4
NW
3
0.3
NW
2
0.1
NW
2
0.1
N
2
0.4
NE
2
0.6
E
3
0.7
E
6
0.7
NE
3
0.8
NE
4
0.5
N
3
0.1
NW
2
0.3
SSE
3
0.1
SW
4
0.2
SSW
3
cloud
part cloud
clear
clear
part cloud
part cloud
part cloud
part cloud
clear
part cloud
part cloud
clear
clear
cloud
cloud
cloud
cloud
cloud
part cloud
cloud
cloud
cloud
part cloud
part cloud
clear
part cloud
part cloud
part cloud
cloud
part cloud
cloud
light snow
cloud
part cloud
part cloud
part cloud
cloudy
some clouds
clear
clear
some clouds
some clouds
some clouds
some clouds
clear
some clouds
some clouds
clear
clear
cloudy
cloudy
cloudy
cloudy
cloudy
some clouds
cloudy
cloudy
cloudy
some clouds
some clouds
clear
some clouds
some clouds
some clouds
cloudy
some clouds
cloudy
light snow
cloudy
some clouds
some clouds
some clouds
 km/h
30
NW
20
NNW
15
NNW
10
NW
10
WNW
30
WNW
30
NW
40
NNW
35
NNW
10
NW
15
WNW
20
NW
20
NW
25
NNW
25
N
20
N
25
N
25
N
20
NNW
15
N
15
NNW
15
NW
15
NW
10
NNW
10
NW
5
N
10
NE
15
NE
15
NNE
20
NNE
20
N
20
N
5
WSW
5
W
0
N
5
SSE
 mm 
max°C
6
7
2
4
4
4
2
2
-2
-1
2
0
-2
-3
-4
-5
-5
-6
-5
-6
-6
-6
-6
-7
-6
-6
-6
-7
-7
-8
-9
-8
-8
-7
-5
-2
Moonrise
11:44
11:43
11:42
11:42
11:43
11:47
12:02
12:48
2:26
4:23
6:16
Moonset
9:51
11:24
12:58
2:38
4:25
6:21
8:19
9:54
10:35
10:48
10:52
10:53
Sunrise
9:25
9:25
9:25
9:25
9:25
9:23
9:23
9:22
9:22
9:22
9:21
9:19
Sunset
3:14
3:15
3:15
3:17
3:18
3:18
3:21
3:22
3:23
3:26
3:26
3:29
Today's sea temperature in Helsinki is
4.1° C
(Statistics for 25 Dec 1981-2005 – mean: 2.6 max: 4.2 min: 1.2°C)
Issued (local time): 1 pm Thursday 25 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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