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 08:19 AM and sunset is at 06:30 PM.
Days 1–3 Weather SummaryLight rain (total 6mm), mostly falling on Fri night. Cool air temperatures (max 12°C on Fri afternoon, min 6°C on Sun night). Winds decreasing (fresh winds from the N on Sat morning, calm by Sun night). | Days 4–6 Weather SummaryLight rain (total 6mm), mostly falling on Wed night. Cool air temperatures (max 12°C on Wed night, min 7°C on Mon morning). Winds increasing (light winds from the SSE on Mon morning, fresh winds from the SSE by Wed night). | Days 7–9 Weather SummaryModerate rain (total 14mm), heaviest on Fri night. Very mild (max 13°C on Sat night, min 10°C on Thu night). Winds increasing (moderate winds from the S on Thu afternoon, near gales from the SSW by Fri night). | Days 10–12 Weather SummaryMostly dry. Very mild (max 10°C on Sun afternoon, min 7°C on Sun night). Mainly strong winds. | Days 13–16 Weather SummaryMostly dry. Mild temperatures (max 9°C on Wed morning, min 8°C on Thu afternoon). Winds decreasing (strong winds from the SSW on Fri afternoon, light winds from the S by Sat night). | |||||||||||||||||||||||||||||||||||||||||||
Friday 16 | Saturday 17 | Sunday 18 | Monday 19 | Tuesday 20 | Wednesday 21 | Thursday 22 | Friday 23 | Saturday 24 | Sunday 25 | Monday 26 | Tuesday 27 | Wednesday 28 | Thursday 29 | Friday 30 | Sat 31 | ||||||||||||||||||||||||||||||||
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 | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 11:46AM0.01m | 11:23PM0.01m | 12:29PM0.01m | 11:31PM0.01m | 1:38PM0.01m | 3:36PM0.01m | 6:26AM0.01m | 5:06PM0.01m | 6:36AM0.01m | 5:58PM0.01m | 6:55AM0.01m | 6:37PM0.01m | 7:20AM0.01m | 7:12PM0.01m | 7:46AM0.01m | 7:46PM0.01m | 8:15AM0.01m | 8:21PM0.01m | 8:47AM0.01m | 8:56PM0.01m | 9:22AM0.02m | 9:31PM0.01m | 9:59AM0.02m | 10:08PM0.01m | 10:39AM0.02m | 10:45PM0.01m | 11:26AM0.02m | 11:34PM0.01m | |||||||||||||||||||
Low Tide | 6:42PM0.01m | 8:13PM0.01m | 00:27AM0.01m | 9:46AM0.01m | 00:36AM0.01m | 11:33AM0.01m | 00:51AM0.01m | 12:27PM0.01m | 1:08AM0.01m | 1:09PM0.01m | 1:28AM0.01m | 1:49PM0.01m | 1:49AM0.01m | 2:24PM0.01m | 2:20AM0.01m | 3:08PM0.01m | 2:49AM0.01m | 3:50PM0.01m | 3:20AM0.01m | 4:34PM0.01m | 3:53AM0.01m | 5:23PM0.01m | 4:29AM0.01m | 6:18PM0.01m | |||||||||||||||||||||||
Wave Height (m) Direction Period (s) | SSW 5 | SSW 4 | SSW 4 | S 5 | N 4 | N 3 | N 2 | N 2 | NW 2 | E 2 | SE 2 | ESE 2 | ESE 2 | ESE 3 | ESE 3 | SE 4 | SSE 5 | SSE 5 | S 5 | S 5 | S 4 | SSW 5 | SSW 5 | S 6 | SSW 6 | S 5 | S 6 | SSW 6 | SSW 5 | SSW 4 | SW 3 | SW 3 | SW 3 | SW 3 | SW 3 | SSW 3 | SSW 4 | SSW 4 | S 4 | S 4 | S 4 | S 4 | S 4 | SSW 5 | SSW 5 | S 4 | S 4 |
 | |  |  | |  |  | | | | | | | |  |  | |  | | |  | | | | | | | | | | | | | | | | | | | | | | | | | | | |
some clouds | some clouds | light rain | light rain | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | mod rain | light rain | light rain | rain shwrs | clear | some clouds | mod rain | cloudy | cloudy | light rain | clear | clear | clear | cloudy | clear | clear | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | some clouds | clear | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
mm | — | — | 5 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | 6 | 2 | 2 | 2 | — | — | 7 | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — |
max °C | 11 | 12 | 11 | 9 | 7 | 7 | 7 | 7 | 7 | 7 | 8 | 7 | 8 | 8 | 10 | 11 | 11 | 12 | 11 | 11 | 11 | 10 | 11 | 11 | 11 | 11 | 13 | 9 | 10 | 10 | 7 | 10 | 10 | 10 | 10 | 10 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 | 9 |
Moonrise | — | 4:26 | — | — | 4:52 | — | — | 5:03 | — | — | 5:07 | — | — | 5:09 | — | — | 5:10 | — | — | 5:10 | — | — | 5:10 | — | — | 5:10 | — | — | 4:11 | — | — | 4:13 | — | — | 4:20 | — | — | 4:35 | — | — | 5:15 | — | — | 6:37 | — | — | 8:25 |
Moonset | — | 7:43 | — | — | — | 9:03 | — | — | 10:34 | — | — | — | 12:06 | — | — | 1:37 | — | — | 3:07 | — | — | 4:37 | — | — | 6:10 | — | — | 6:48 | — | — | 8:32 | — | — | 10:24 | — | — | 12:17 | — | — | 1:52 | — | — | 2:44 | — | — | — | 3:05 |
 | 8:19 | — | — | 8:22 | — | — | 8:25 | — | — | 8:27 | — | — | 8:30 | — | — | 8:33 | — | — | 8:34 | — | — | 8:37 | — | — | 8:40 | — | — | 7:42 | — | — | 8:45 | — | — | 8:48 | — | — | 8:49 | — | — | 8:52 | — | — | 8:55 | — | — | 8:57 | — |
 | — | 6:30 | — | — | 6:27 | — | — | 6:23 | — | — | 6:21 | — | — | 6:17 | — | — | 6:15 | — | — | 6:12 | — | — | 6:09 | — | — | 6:07 | — | — | 5:04 | — | — | 6:00 | — | — | 5:59 | — | — | 5:55 | — | — | 5:52 | — | — | 5:50 | — | — | 5:47 |
Today's sea temperature in Mariehamn is 11.4°C (Statistics for 16 Oct 1981-2005 – mean: 9.0 max: 11.6 min: 7.1°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest