Portland Sea Conditions and Tide Table

Portland 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 07:35 AM and sunset is at 07:38 PM.

	Days 1–3 Weather Summary Mostly dry. Warm air temperatures (max 23°C on Fri afternoon, min 17°C on Wed morning). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm air temperatures (max 24°C on Sat afternoon, min 19°C on Sat night). Winds decreasing (fresh winds from the SSE on Sat night, light winds from the SSW by Mon night).									Days 7–9 Weather Summary Mostly dry. Warm (max 24°C on Tue morning, min 15°C on Thu night). Winds increasing (calm on Tue morning, strong winds from the NNE by Thu night).									Days 10–12 Weather Summary Mostly dry. Warm (max 21°C on Sun night, min 13°C on Fri morning). Mainly strong winds.
	Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25			Thursday 26			Friday 27			Saturday 28			Sunday 29			Monday 30			Tuesday 31			Wednesday 1			Thu 2
	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 See all maps
High Tide			7:34PM0.23m			7:06PM0.22m	7:59AM0.31m	6:32PM0.23m		9:39AM0.31m	5:37PM0.26m		12:11PM0.31m				5:10PM0.34m			6:10PM0.36m				7:07PM0.36m			8:01PM0.34m			9:21PM0.32m			2:22AM0.30m			8:13PM0.25m			7:10PM0.22m		6:24PM0.22m	6:58AM0.29m		5:39PM0.23m
Low Tide		1:03PM0.13m	11:42PM0.20m		1:53PM0.17m	00:31AM0.16m		2:44PM0.21m	1:25AM0.12m		3:47PM0.26m	2:26AM0.08m			3:35AM0.06m			4:53AM0.05m			6:23AM0.05m				7:57AM0.05m			9:22AM0.06m			10:33AM0.08m			11:33AM0.11m		9:47PM0.24m	12:24PM0.14m		10:45PM0.21m		1:08PM0.17m	11:35PM0.17m		1:47PM0.21m
Wave height (m) direction period (s)	SE 4	SE 4	SE 4	SE 4	SE 4	SE 4	SE 4	SE 4	SSE 5	SE 5	SE 5	SSE 5	SSE 5	SSE 5	SSE 5	SSE 5	SE 5	SE 5	SE 4	SE 4	SSE 4	SE 4	SE 4	SE 5	SE 6	SSE 6	SE 6	ENE 5	ENE 7	E 8	E 8	E 7	E 8	ESE 8	E 8	ESE 5	ESE 7	ESE 7	SE 6	SE 7	ESE 7	ESE 8	ESE 8	ESE 8	ESE 9	ESE 9	ESE 8

	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	some clouds	cloudy	cloudy	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear
km/h	SSE	SE	SE	S	SE	S	SSW	SSE	S	S	SSE	S	S	SSE	SSE	S	ESE	SSE	SW	SSE	SSE	S	SSE	SSE	SSE	SSE	ESE	NNE	NE	NNW	ENE	E	ESE	ESE	ESE	SE	SE	SE	SSE	SSE	SSE	SE	SSE	SE	SSE	SSE	SE
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max°C	19	19	18	21	21	19	22	23	20	23	24	21	24	24	20	24	24	21	24	24	21	23	24	21	24	24	21	14	17	18	16	16	18	20	20	21	22	22	21	24	24	22	24	24	21	25	25
Moonrise	7:15	—	—	7:47	—	—	8:21	—	—	8:58	—	—	9:41	—	—	10:30	—	—	11:26	—	—	12:29	—	—	1:36	—	—	2:43	—	—	—	3:47	—	—	4:49	—	—	5:48	—	—	6:45	—	—	7:41	—	—	8:37
Moonset	—	7:34	—	—	8:36	—	—	—	9:42	—	—	10:50	—	—	—	12:00	—	—	1:09	—	—	2:15	—	—	3:13	—	—	4:03	—	—	4:46	—	—	5:23	—	—	5:55	—	—	6:26	—	—	6:55	—	—	7:24	—
	7:35	—	—	7:33	—	—	7:33	—	—	7:31	—	—	7:31	—	—	7:30	—	—	7:28	—	—	7:28	—	—	7:26	—	—	7:24	—	—	7:24	—	—	7:22	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:18	—
	—	7:38	—	—	7:38	—	—	7:39	—	—	7:39	—	—	7:40	—	—	7:42	—	—	7:42	—	—	7:43	—	—	7:43	—	—	7:44	—	—	7:44	—	—	7:45	—	—	7:45	—	—	7:45	—	—	7:45	—	—	7:46
	Today's sea temperature in Portland is 21.7° C (Statistics for 18 Mar 1981-2005 – mean: 19.7 max: 21.1 min: 17.4°C)