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 07:06 PM.

	Days 1–4 Weather Summary Light rain (total 5mm), mostly falling on Wed night. Warm air temperatures (max 26°C on Mon afternoon, min 15°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm air temperatures (max 29°C on Thu afternoon, min 12°C on Fri morning). Wind will be generally light.									Days 8–10 Weather Summary Heavy rain (total 21mm), heaviest during Tue night. Warm (max 25°C on Sun afternoon, min 10°C on Tue morning). Wind will be generally light.									Days 11–13 Weather Summary Mostly dry. Warm (max 27°C on Wed afternoon, min 7°C on Thu night). Wind will be generally light.									Days 14–17 Weather Summary Mostly dry. Warm (max 20°C on Tue afternoon, min 12°C on Sat night). Wind will be generally light.
	Mon 7		Tuesday 8			Wednesday 9			Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21			Tuesday 22
	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		8:32PM3.09m	9:18AM2.72m		9:34PM3.18m	10:13AM2.87m		10:29PM3.24m		11:04AM3.01m	11:22PM3.26m		11:51AM3.10m	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
Low Tide	2:08PM0.30m	3:02AM-0.01m		3:14PM0.18m	3:59AM-0.11m		4:12PM0.04m	4:50AM-0.18m			5:05PM-0.07m	5:37AM-0.19m		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
Wave Height (m) Direction Period (s)	ESE 9	ESE 9	ESE 9	ESE 9	ESE 9	SE 8	SE 3	SSE 6	S 6	SSE 7	SSE 7	SSE 6	SE 9	SE 10	SE 10	SE 9	S 5	SSE 5	SSE 5	SSE 5	SE 9	S 4	NE 3	ENE 4	E 4	SSE 6	SE 6	SE 6	SSE 6	SSE 7	SSE 7	NNE 4	SSE 6	SE 12	SE 12	SE 11	SE 10	SE 9	SE 9	SE 8	SSW 4	ESE 8	ESE 8	S 6	ESE 9	ESE 9	SE 5

	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	cloudy	light rain	clear	some clouds	cloudy	clear	clear	clear	clear	clear	clear	some clouds	rain shwrs	some clouds	some clouds	some clouds	clear	some clouds	light rain	heavy rain	some clouds	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	cloudy	cloudy	cloudy	some clouds	cloudy	some clouds
km/h	NW	WNW	NNW	NW	NNE	SE	SSE	SSW	WSW	WSW	NNW	NW	N	WNW	SE	SSE	SSW	SSW	SSW	NNE	SW	NE	NNE	ESE	SE	W	WSW	WSW	N	SSW	S	N	NNW	S	NNW	NNE	SSE	WSW	SSW	S	SW	SSW	S	SSW	S	SE	SSW
mm	—	—	—	—	—	—	—	5	—	—	—	—	—	—	—	—	—	—	1	—	—	—	—	—	5	15	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	26	23	19	24	20	17	18	20	26	29	25	17	21	17	15	15	16	20	25	23	18	23	19	13	13	16	24	27	21	17	20	16	11	14	12	14	16	14	16	18	15	14	18	18	19	20	19
Moonrise	—	—	2:56	—	—	4:15	—	—	5:31	—	—	6:45	—	—	7:56	—	—	9:07	—	—	10:16	—	—	11:25	—	—	12:31	—	—	1:34	—	—	2:29	—	—	—	3:17	—	—	3:56	—	—	4:28	—	—	4:54	—
Moonset	5:24	—	—	5:54	—	—	6:20	—	—	6:41	—	—	7:02	—	—	7:22	—	—	7:43	—	—	8:07	—	—	8:35	—	—	—	9:09	—	—	9:51	—	—	10:41	—	—	11:39	—	—	—	12:42	—	—	1:48	—	—
	—	—	6:11	—	—	6:11	—	—	6:13	—	—	6:15	—	—	6:16	—	—	6:16	—	—	6:18	—	—	6:18	—	—	6:20	—	—	6:20	—	—	6:22	—	—	6:24	—	—	6:24	—	—	6:26	—	—	6:26	—	—
	7:06	—	—	7:04	—	—	7:02	—	—	7:00	—	—	6:59	—	—	6:57	—	—	6:54	—	—	6:53	—	—	6:52	—	—	6:50	—	—	6:47	—	—	6:45	—	—	6:44	—	—	6:43	—	—	6:40	—	—	6:38	—
	Today's sea temperature in Portland, Casco Bay is 17.7°C (Statistics for 07 Sep 1981-2005 – mean: 16.1 max: 18.2 min: 14.6°C)