Mariehamn Sea Conditions and Tide Table

Mariehamn 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 06:16 PM.

Days 1–4 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Fri afternoon, min 1°C on Fri night). Wind will be generally light.

Days 5–7 Weather Summary

Mostly dry. Low air temperatures (max 7°C on Sun afternoon, min 4°C on Mon morning). Wind will be generally light.

Days 8–10 Weather Summary

Light rain (total 4mm), mostly falling on Wed night. Mild temperatures (max 7°C on Wed afternoon, min 2°C on Fri morning). Winds decreasing (strong winds from the SW on Fri morning, light winds from the SSW by Sat morning).

Days 11–13 Weather Summary

A light covering of new snow, mostly falling on Mon night. Freeze-thaw conditions (max 4°C on Sat night, min 0°C on Mon night). Winds decreasing (strong winds from the S on Sun night, calm by Mon night).

Thu
5
Friday
6
Saturday
7
Sunday
8
Monday
9
Tuesday
10
Wednesday
11
Thursday
12
Friday
13
Saturday
14
Sunday
15
Monday
16
Tuesday
17
Wednesday
18
Thursday
19
Friday
20
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
PM
night
AM
PM
night
AM
PM
night
AM
PM
night
Wave Height Map
High Tide
9:32PM0.01m
9:29AM0.01m
10:02PM0.01m
10:00AM0.01m
10:33PM0.01m
10:21AM0.01m
11:05PM0.01m
10:46AM0.01m
11:44PM0.01m
11:02AM0.01m
00:37AM0.01m
10:39AM0.01m
2:17AM0.01m
4:13AM0.01m
5:53PM0.01m
5:17AM0.01m
6:14PM0.01m
5:58AM0.01m
6:38PM0.01m
6:32AM0.01m
7:04PM0.01m
7:04AM0.01m
7:33PM0.01m
7:36AM0.01m
8:03PM0.01m
8:08AM0.01m
8:35PM0.01m
Low Tide
3:22PM0.01m
3:31AM0.01m
3:44PM0.01m
4:07AM0.01m
4:01PM0.01m
4:44AM0.01m
4:22PM0.01m
5:25AM0.01m
4:40PM0.01m
6:22AM0.01m
4:57PM0.01m
8:38AM0.01m
5:13PM0.01m
1:20PM0.01m
12:37PM0.01m
9:49PM0.01m
12:46PM0.01m
11:09PM0.01m
1:00PM0.01m
11:58PM0.01m
1:18PM0.01m
00:38AM0.01m
1:39PM0.01m
1:17AM0.01m
2:01PM0.00m
1:57AM0.01m
2:21PM0.00m
Wave
height (m) 
direction
period (s) 
0.1
W
2
0.1
W
2
0.5
SW
3
0.5
SW
3
0.3
W
3
0.1
S
3
0.1
S
2
0.1
S
2
0.2
WSW
2
0.3
SW
2
0.3
SSW
2
0.5
S
3
0.6
SSW
4
0.6
S
4
0.5
SSW
4
0.5
S
3
0.4
SSW
3
0.4
SSW
3
0.5
S
3
0.6
S
3
0.5
S
3
0.5
S
4
0.6
S
4
1.3
SSW
5
0.8
SSW
4
0.7
S
4
0.6
S
4
0.5
S
4
0.6
S
4
0.4
S
3
0.3
S
3
1.1
S
4
1
SSW
5
0.6
SSW
4
0.3
SSE
3
0.6
WNW
3
0.3
SSW
4
0.3
S
4
0.4
SSE
4
0.4
SE
4
0.2
S
3
0.2
S
3
0.2
S
3
0.3
S
3
0.2
S
3
0.2
S
3
0.1
SE
3
part cloud
clear
clear
clear
part cloud
cloud
clear
clear
clear
clear
clear
part cloud
clear
clear
clear
clear
clear
cloud
cloud
rain showers
part cloud
part cloud
clear
light rain
rain showers
part cloud
light rain
cloud
light snow
part cloud
part cloud
part cloud
clear
cloud
light snow
cloud
part cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
cloud
some clouds
clear
clear
clear
some clouds
cloudy
clear
clear
clear
clear
clear
some clouds
clear
clear
clear
clear
clear
cloudy
cloudy
rain shwrs
some clouds
some clouds
clear
light rain
rain shwrs
some clouds
light rain
cloudy
light snow
some clouds
some clouds
some clouds
clear
cloudy
light snow
cloudy
some clouds
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
cloudy
 km/h
10
NW
10
SW
25
SW
20
WSW
15
N
10
ENE
10
SSE
15
SSW
15
SW
15
SSW
20
SSW
25
SSW
25
SSW
20
SW
20
SW
20
SSW
15
SSW
20
SSW
25
SSW
25
SSW
20
S
25
SSE
20
SE
40
SW
25
SSW
25
SE
15
SSW
20
SE
25
SSE
15
SSW
15
S
40
S
30
SW
20
SSW
15
E
25
WNW
10
SSE
15
ESE
20
E
20
E
10
SE
10
S
15
SE
15
E
15
ENE
10
E
10
NE
 mm 
1
1
1
1
max°C
6
6
2
7
4
1
2
1
3
7
7
5
5
6
5
6
7
6
7
5
6
5
5
3
3
3
2
2
4
2
3
3
3
4
1
0
1
1
1
1
1
1
0
2
3
2
4
Moonrise
9:25
10:55
12:26
2:00
3:34
5:01
6:01
6:27
6:36
6:40
6:41
6:40
6:39
6:38
6:38
Moonset
7:32
7:32
7:32
7:34
7:41
7:59
8:47
10:09
11:46
1:25
3:03
4:40
6:16
7:55
9:37
Sunrise
7:24
7:20
7:18
7:15
7:11
7:09
7:05
7:03
7:00
6:56
6:54
6:50
6:48
6:45
6:41
Sunset
6:16
6:19
6:22
6:23
6:27
6:29
6:31
6:34
6:37
6:38
6:42
6:44
6:46
6:49
6:52
6:53
Today's sea temperature in Mariehamn is
0.4° C
(Statistics for 05 Mar 1981-2005 – mean: 1.4 max: 2.4 min: -0.6°C)
Issued (local time): 1 pm Thursday 05 Mar 2026
Forecast update inUpdates in  hr  min  sUpdate imminent
Nearest locationNearest