Portland, Casco Bay Sea Conditions and Tide Table

Portland, Casco Bay 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 06:59 PM.

	Days 1–4 Weather Summary Light rain (total 7mm), mostly falling on Sun morning. Warm air temperatures (max 20°C on Mon afternoon, min 13°C on Sat morning). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm air temperatures (max 25°C on Thu afternoon, min 10°C on Tue morning). Wind will be generally light.									Days 8–10 Weather Summary Light rain (total 5mm), mostly falling on Thu night. Warm (max 25°C on Thu night, min 12°C on Sat morning). Wind will be generally light.									Days 11–13 Weather Summary Moderate rain (total 13mm), heaviest on Wed night. Very mild (max 17°C on Sun night, min 7°C on Wed night). Wind will be generally light.									Days 14–17 Weather Summary Heavy rain (total 54mm), heaviest during Wed night. Warm (max 25°C on Sun afternoon, min 8°C on Wed night). Winds decreasing (fresh winds from the NE on Thu morning, calm by Sat morning).
		Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21			Tuesday 22			Wednesday 23			Thursday 24			Friday 25			Saturday 26			Sun 27
	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	AM
Wave Height Map See all maps
High Tide	00:11AM3.22m		12:35PM3.14m	00:58AM3.13m		1:17PM3.14m	1:42AM3.00m		1:58PM3.08m	2:27AM2.84m		2:39PM2.98m	3:14AM2.67m		3:23PM2.86m	4:04AM2.51m		4:13PM2.74m	4:59AM2.39m			5:08PM2.65m	5:56AM2.31m		6:05PM2.60m	6:56AM2.29m		7:06PM2.60m	7:56AM2.33m		8:05PM2.65m	8:48AM2.42m		8:57PM2.75m	9:33AM2.55m		9:42PM2.85m	10:12AM2.70m		10:23PM2.94m	10:49AM2.84m
Low Tide	5:56PM-0.14m	6:22AM-0.16m		6:44PM-0.16m	7:04AM-0.07m		7:29PM-0.12m	7:44AM0.06m		8:14PM-0.03m	8:25AM0.22m		8:59PM0.09m	9:08AM0.37m		9:49PM0.23m	9:56AM0.52m		10:42PM0.36m	10:48AM0.63m		11:39PM0.45m		11:45AM0.70m	00:39AM0.49m		12:44PM0.71m	1:40AM0.48m		1:45PM0.66m	2:35AM0.40m		2:40PM0.56m	3:20AM0.30m		3:27PM0.42m	3:59AM0.20m		4:09PM0.27m	4:35AM0.11m		4:50PM0.12m
Wave Height (m) Direction Period (s)	SE 10	SE 10	SE 9	S 5	SSE 5	SSE 4	SE 9	SE 9	SE 6	SE 7	ESE 6	E 6	SE 9	ESE 8	ESE 9	ESE 9	ESE 8	S 5	S 6	ENE 4	ESE 5	E 6	SE 12	ESE 6	SE 11	SE 11	SE 11	SE 10	SE 8	SE 8	SE 9	NE 5	E 6	ESE 7	ESE 7	ESE 8	SE 10	ESE 11	ESE 11	ESE 10	ESE 9	ESE 9	ESE 9	ESE 9	ESE 8	S 4	S 5

	clear	clear	clear	some clouds	light rain	some clouds	some clouds	rain shwrs	clear	clear	clear	clear	some clouds	clear	clear	some clouds	clear	clear	rain shwrs	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	clear	cloudy	clear	clear	clear	clear	clear	clear	some clouds	cloudy	light rain	heavy rain	heavy rain	mod rain	heavy rain	light rain	cloudy	some clouds	clear	clear	some clouds	clear
km/h	NW	S	S	SW	SSW	S	SSW	NNW	NNW	N	E	SSE	W	SSE	SSE	SSW	SSW	SSW	SSW	NE	ENE	NNE	NNE	ESE	NNW	NE	S	NNE	E	SE	N	NNE	ESE	NNE	NE	NE	NE	NE	NE	NNE	N	N	N	SSE	SSE	SSW	SW
mm	—	—	—	—	4	—	—	3	—	—	—	—	—	—	—	—	—	—	5	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	4	32	11	8	11	1	—	—	—	—	—	—
max °C	18	18	19	17	16	18	18	19	20	17	14	15	13	15	17	15	21	25	25	17	14	13	13	16	14	18	20	17	15	17	15	13	16	13	10	11	9	10	10	11	11	13	13	16	17	15	22
Moonrise	—	7:56	—	—	9:07	—	—	10:16	—	—	11:25	—	—	12:31	—	—	1:34	—	—	2:29	—	—	—	3:17	—	—	3:56	—	—	4:28	—	—	4:54	—	—	5:17	—	—	5:37	—	—	5:57	—	—	6:17	—	—
Moonset	—	—	7:22	—	—	7:43	—	—	8:07	—	—	8:35	—	—	—	9:09	—	—	9:51	—	—	10:41	—	—	11:39	—	—	—	12:42	—	—	1:48	—	—	2:56	—	—	4:04	—	—	5:14	—	—	6:24	—	—	7:36
	—	6:16	—	—	6:16	—	—	6:18	—	—	6:18	—	—	6:20	—	—	6:20	—	—	6:22	—	—	6:24	—	—	6:24	—	—	6:26	—	—	6:26	—	—	6:28	—	—	6:28	—	—	6:31	—	—	6:31	—	—	6:33
	6:59	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—	—	6:47	—	—	6:45	—	—	6:44	—	—	6:43	—	—	6:40	—	—	6:38	—	—	6:37	—	—	6:35	—	—	6:32	—	—	6:30	—	—
	Today's sea temperature in Portland, Casco Bay is 16.8°C (Statistics for 11 Sep 1981-2005 – mean: 15.8 max: 17.9 min: 14.6°C)