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 07:38 PM.

	Days 1–4 Weather Summary Light rain (total 2mm), mostly falling on Tue night. Warm air temperatures (max 23°C on Tue afternoon, min 8°C on Wed night). Winds increasing (calm on Mon night, fresh winds from the W by Tue night).											Days 5–7 Weather Summary Heavy rain (total 23mm), heaviest during Sat night. Cool air temperatures (max 13°C on Thu afternoon, min 7°C on Fri morning). Wind will be generally light.									Days 8–10 Weather Summary Some drizzle, heaviest during Sun afternoon. Very mild (max 15°C on Wed morning, min 9°C on Sun afternoon). Wind will be generally light.									Days 11–13 Weather Summary Light rain (total 8mm), mostly falling on Wed night. Warm (max 21°C on Sat afternoon, min 7°C on Thu night). Wind will be generally light.
	Mon 28		Tuesday 29			Wednesday 30			Thursday 1			Friday 2			Saturday 3			Sunday 4			Monday 5			Tuesday 6			Wednesday 7			Thursday 8			Friday 9			Sat 10
	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	12:08PM3.19m	00:19AM3.58m		1:01PM3.15m	1:10AM3.54m		1:54PM3.05m	2:02AM3.44m		2:50PM2.92m	2:58AM3.27m		3:51PM2.78m	3:59AM3.08m		4:55PM2.68m		5:05AM2.92m		5:58PM2.62m	6:11AM2.79m		7:01PM2.62m	7:16AM2.70m		8:00PM2.66m	8:19AM2.66m		8:52PM2.73m	9:13AM2.65m		9:37PM2.81m	10:01AM2.65m		10:17PM2.88m	10:45AM2.65m
Low Tide		6:05PM-0.21m	6:45AM-0.58m		6:56PM-0.15m	7:37AM-0.53m		7:48PM-0.03m	8:31AM-0.40m		8:42PM0.12m	9:29AM-0.22m		9:42PM0.27m	10:32AM-0.05m		10:48PM0.40m		11:35AM0.10m	11:55PM0.47m		12:38PM0.20m	1:03AM0.48m		1:39PM0.27m	2:08AM0.43m		2:34PM0.30m	3:05AM0.34m		3:22PM0.32m	3:53AM0.25m		4:03PM0.34m	4:36AM0.17m
Wave height (m) direction period (s)	SE 8	ESE 9	SE 9	S 4	S 6	S 7	SE 9	SE 9	SE 9	ESE 9	SSE 5	SSE 5	SSE 6	SSE 6	SSE 6	SSE 6	SSE 7	SSE 7	SSE 8	SSE 8	SSE 8	SSE 8	SE 7	SE 7	SE 6	SE 6	SE 9	NE 4	E 9	E 9	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8	ESE 8

	clear	clear	clear	some clouds	rain shwrs	clear	clear	some clouds	some clouds	some clouds	some clouds	light rain	cloudy	rain shwrs	some clouds	light rain	mod rain	cloudy	light rain	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	mod rain	light rain	cloudy	cloudy	some clouds	clear	clear	clear
km/h	NNW	S	SSW	SSW	SW	N	NNW	NNW	S	S	SSW	SSE	ESE	NE	E	NE	NNW	NNW	E	WNW	ENE	SSE	W	ESE	SE	NW	NNE	NNE	NNE	NE	ENE	NE	ENE	ESE	WNW	S
mm	—	—	—	—	2	—	—	—	—	—	—	5	—	4	—	5	9	—	1	—	—	—	—	—	—	—	—	—	7	1	—	—	—	—	—	—
max°C	21	19	19	23	20	13	15	12	11	13	10	8	11	11	12	12	11	8	12	11	12	12	11	11	13	11	15	17	12	8	10	9	11	12	11	17
Moonrise	5:43	—	6:21	—	—	7:10	—	—	8:11	—	—	9:21	—	—	10:34	—	—	11:47	—	—	12:56	—	—	2:02	—	—	—	3:06	—	—	4:09	—	—	5:11	—	6:15
Moonset	—	9:23	—	—	10:45	—	—	11:58	—	—	—	12:56	—	—	1:40	—	—	2:12	—	—	2:38	—	—	2:58	—	—	3:17	—	—	3:33	—	—	3:50	—	—	4:07
	—	—	5:37	—	—	5:35	—	—	5:33	—	—	5:31	—	—	5:31	—	—	5:28	—	—	5:28	—	—	5:26	—	—	5:24	—	—	5:24	—	—	5:22	—	—	5:22
	7:38	—	—	7:39	—	—	7:40	—	—	7:42	—	—	7:44	—	—	7:45	—	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:51	—	—	7:52	—	—
	Today's sea temperature in Portland, Casco Bay is 6.6 °C (Statistics for 28 Apr 1981-2005 – mean: 6.2 max: 7.7 min: 4.3°C)