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 08:59 PM.

	Days 1–4 Weather Summary Some drizzle, heaviest during Thu night. Cool air temperatures (max 10°C on Thu afternoon, min 5°C on Sun morning). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Cool air temperatures (max 12°C on Tue night, min 4°C on Sun afternoon). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Very mild (max 12°C on Wed night, min 3°C on Sat morning). Winds increasing (light winds from the NNW on Thu night, strong winds from the NNW by Fri morning).									Days 11–13 Weather Summary Mostly dry. Very mild (max 10°C on Tue afternoon, min 3°C on Sat afternoon). Winds increasing (light winds from the NW on Sat afternoon, fresh winds from the NNW by Mon morning).
	Thu 16		Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wednesday 29			Thursday 30			Friday 1
	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 See all maps
High Tide		8:37PM0.01m	8:42AM0.01m		9:12PM0.01m	9:19AM0.01m		9:47PM0.02m	9:57AM0.01m		10:27PM0.02m	10:36AM0.01m		11:09PM0.02m	11:14AM0.01m		11:58PM0.02m		12:07PM0.01m	00:56AM0.01m		1:24PM0.01m	2:16AM0.01m		4:04PM0.01m	3:57AM0.01m		5:55PM0.01m	5:22AM0.01m			6:44PM0.01m	6:21AM0.01m		7:19PM0.01m	7:07AM0.01m		7:47PM0.01m	7:43AM0.01m		8:15PM0.01m	8:16AM0.01m		8:41PM0.01m
Low Tide	2:17PM0.00m	2:43AM0.01m		2:41PM0.00m	3:30AM0.01m		3:16PM0.00m	4:10AM0.01m		3:48PM0.01m	5:00AM0.01m		4:22PM0.01m	5:53AM0.01m		4:58PM0.01m		6:57AM0.01m	5:38PM0.01m		8:27AM0.01m		6:23PM0.01m	10:24AM0.01m		8:19PM0.01m	11:41AM0.01m		10:44PM0.01m		12:30PM0.01m	00:10AM0.01m		1:03PM0.01m	1:07AM0.01m		1:29PM0.01m	1:50AM0.01m		1:52PM0.01m	2:27AM0.01m		2:14PM0.01m
Wave height (m) direction period (s)	NNE 2	N 2	NE 2	NW 2	NW 2	NW 2	W 2	E 2	SE 2	SE 3	SE 2	N 2	N 2	NNW 2	N 2	NNW 2	NNW 3	NW 2	NW 2	NW 3	NW 3	NW 4	WNW 2	NW 3	NW 4	WNW 2	WNW 2	SW 4	SW 3	WSW 2	NNW 2	NW 2	NW 4	NW 4	NW 3	WNW 3	W 3	SW 3	NW 4	NW 4	WNW 3	WNW 4	NW 4	NW 3	NW 3	NNW 3	NNW 3

	cloudy	light rain	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	some clouds	some clouds	clear	clear	clear	clear	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	clear	some clouds	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear	cloudy	cloudy	cloudy	some clouds	some clouds	cloudy	cloudy
km/h	N	NNE	NE	NW	NNW	NNW	N	SE	ESE	SE	NNE	N	N	N	NNE	N	N	NNW	NW	NW	NW	NW	WNW	NNW	NNW	NW	NW	NW	SW	WNW	N	NW	NNW	NNW	NW	W	W	WNW	NW	WNW	NW	NW	NW	NNW	NNW	N	N
mm	—	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	10	8	9	10	10	8	9	9	7	5	7	7	8	10	9	8	12	10	10	12	7	12	12	7	5	5	3	3	3	4	4	4	4	6	7	7	10	7	4	6	6	3	3	4	4	4	3
Moonrise	—	—	5:50	—	—	5:51	—	—	5:54	—	—	6:05	—	—	6:35	—	—	7:50	—	—	9:36	—	—	11:26	—	—	1:09	—	—	2:45	—	—	—	4:16	—	—	5:44	—	—	7:11	—	—	8:39	—	—	—	10:10
Moonset	7:59	—	—	—	9:47	—	—	11:42	—	—	—	1:40	—	—	3:26	—	—	4:27	—	—	4:49	—	—	4:56	—	—	4:59	—	—	5:00	—	—	4:59	—	—	4:58	—	—	4:58	—	—	4:57	—	—	4:57	—	—
	—	—	6:18	—	—	6:16	—	—	6:13	—	—	6:09	—	—	6:07	—	—	6:03	—	—	6:01	—	—	5:58	—	—	5:56	—	—	5:52	—	—	5:50	—	—	5:47	—	—	5:45	—	—	5:41	—	—	5:39	—	—
	8:59	—	—	—	9:01	—	—	9:04	—	—	9:07	—	—	9:08	—	—	9:10	—	—	9:14	—	—	9:15	—	—	9:19	—	—	9:21	—	—	9:23	—	—	9:27	—	—	9:29	—	—	9:31	—	—	9:34	—	—	9:37
	Today's sea temperature in Mariehamn is 1.9° C (Statistics for 16 Apr 1981-2005 – mean: 2.5 max: 3.4 min: 1.0°C)