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 3mm), mostly falling on Fri night. Low air temperatures (max 6°C on Thu night, min 2°C on Sun afternoon). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Icy conditions (max 2°C on Sun night, min -3°C on Mon afternoon). Wind will be generally light.

Days 8–10 Weather Summary

Mostly dry. Freeze-thaw conditions (max 1°C on Wed night, min -3°C on Thu night). Wind will be generally light.

Days 11–13 Weather Summary

Mostly dry. Freeze-thaw conditions (max 5°C on Sun night, min -5°C on Tue morning). Wind will be generally light.

Friday
19
Saturday
20
Sunday
21
Monday
22
Tuesday
23
Wednesday
24
Thursday
25
Friday
26
Saturday
27
Sunday
28
Monday
29
Tue
30
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
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
10:41PM0.03m
10:47PM0.04m
Low Tide
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
12:51PM0.01m
12:17PM0.01m
Wave
height (m) 
direction
period (s) 
1.2
SW
5
0.8
SW
4
1.1
SW
5
1.1
SW
5
1
SW
5
1.3
SW
5
1
SW
4
0.6
WSW
4
0.4
SW
6
0.2
W
3
0.3
ENE
3
0.4
E
4
0.4
ESE
4
0.2
E
3
0.1
E
3
0.1
S
2
0.2
SSW
2
0.4
SW
3
0.6
SW
4
0.4
SW
4
0.4
WSW
3
0.3
NNE
2
0.1
SE
4
0.1
SW
2
0.2
WSW
2
0.4
WSW
3
0.4
WNW
3
0.6
W
3
0.6
W
3
0.9
WSW
4
0.9
W
4
0.5
W
5
0.5
NW
3
0.5
N
3
0.5
NE
3
0.2
NNE
2
cloud
cloud
cloud
light rain
cloud
cloud
part cloud
part cloud
clear
clear
cloud
clear
clear
part cloud
cloud
part cloud
part cloud
cloud
part cloud
part cloud
clear
clear
part cloud
clear
clear
cloud
part cloud
part cloud
clear
clear
part cloud
cloud
part cloud
part cloud
clear
clear
cloudy
cloudy
cloudy
light rain
cloudy
cloudy
some clouds
some clouds
clear
clear
cloudy
clear
clear
some clouds
cloudy
some clouds
some clouds
cloudy
some clouds
some clouds
clear
clear
some clouds
clear
clear
cloudy
some clouds
some clouds
clear
clear
some clouds
cloudy
some clouds
some clouds
clear
clear
 km/h
25
SW
20
SSW
25
SW
20
SW
20
WSW
25
WSW
20
WSW
15
W
10
NW
10
NNW
10
ENE
10
ENE
10
ENE
5
ENE
5
E
10
S
10
SW
10
SW
10
W
10
W
10
WNW
10
N
5
NW
10
W
10
W
15
NW
15
WNW
25
WNW
20
WNW
25
W
25
NW
15
NW
20
NNW
15
N
15
N
10
NNW
 mm 
3
max°C
6
5
5
6
6
6
6
5
3
2
-1
-1
-3
-3
-2
-2
-2
0
1
0
0
-1
-3
-2
-1
0
0
1
1
3
5
4
1
-1
-4
-5
Moonrise
10:14
11:10
11:33
11:42
11:45
11:45
11:45
11:44
11:43
11:42
11:42
11:43
Moonset
1:10
2:03
3:28
5:05
6:43
8:18
9:51
11:24
12:58
2:38
4:25
Sunrise
9:22
9:22
9:22
9:23
9:23
9:25
9:25
9:25
9:25
9:25
9:25
9:25
Sunset
3:11
3:11
3:11
3:11
3:12
3:12
3:14
3:15
3:15
3:17
3:18
3:18
Today's sea temperature in Helsinki is
3.6° C
(Statistics for 18 Dec 1981-2005 – mean: 2.9 max: 4.7 min: 1.6°C)
Issued (local time): 7 pm Thursday 18 Dec 2025
Forecast update inUpdates in  hr  min  sUpdate imminent
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