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 05:28 AM and sunset is at 07:45 PM.

	Days 1–3 Weather Summary Light rain (total 6mm), mostly falling on Sun night. Cool air temperatures (max 13°C on Fri afternoon, min 7°C on Sat night). Wind will be generally light.									Days 4–6 Weather Summary Moderate rain (total 11mm), heaviest on Wed morning. Cool air temperatures (max 18°C on Mon afternoon, min 6°C on Wed night). Wind will be generally light.									Days 7–9 Weather Summary Light rain (total 6mm), mostly falling on Sat night. Very mild (max 14°C on Fri afternoon, min 7°C on Sat night). Wind will be generally light.									Days 10–12 Weather Summary Light rain (total 2mm), mostly falling on Tue afternoon. Warm (max 21°C on Mon afternoon, min 7°C on Sun morning). Wind will be generally light.
	Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9			Friday 10			Saturday 11			Sunday 12			Monday 13			Tuesday 14
	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	7:08AM2.91m		7:53PM2.85m	8:14AM2.98m		8:49PM3.05m	9:15AM3.05m		9:42PM3.24m	10:13AM3.11m		10:33PM3.39m		11:07AM3.13m	11:21PM3.48m		11:59AM3.11m	00:09AM3.49m		12:50PM3.04m	00:57AM3.43m		1:41PM2.93m	1:45AM3.30m		2:33PM2.80m	2:36AM3.14m		3:26PM2.68m	3:28AM2.97m		4:22PM2.58m	4:24AM2.81m			5:19PM2.51m
Low Tide		1:32PM0.05m	2:00AM0.17m		2:30PM-0.02m	3:02AM-0.03m		3:25PM-0.10m	3:59AM-0.22m		4:16PM-0.14m	4:53AM-0.37m			5:06PM-0.14m	5:45AM-0.45m		5:55PM-0.09m	6:35AM-0.44m		6:43PM-0.00m	7:25AM-0.37m		7:33PM0.12m	8:16AM-0.23m		8:23PM0.27m	9:08AM-0.07m		9:16PM0.41m	10:02AM0.09m		10:12PM0.53m	10:57AM0.23m		11:12PM0.61m
Wave height (m) direction period (s)	SE 12	SE 12	SE 12	E 6	E 6	SE 11	SE 11	E 8	S 4	SSE 5	ESE 10	ESE 10	E 10	ESE 10	E 10	E 4	ENE 4	E 4	ESE 10	ESE 9	SE 9	SE 16	SE 16	SE 6	SE 8	SE 8	ESE 8	ESE 8	ESE 8	ESE 9	ESE 8	ESE 8	SE 8	SE 8	SSE 5	SE 7

	cloudy	some clouds	some clouds	some clouds	some clouds	clear	some clouds	cloudy	mod rain	some clouds	cloudy	some clouds	clear	cloudy	some clouds	mod rain	light rain	clear	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	cloudy	mod rain	some clouds	some clouds	clear	clear	clear	clear	clear	light rain	rain shwrs
km/h	E	SSE	SE	E	SE	W	SSE	S	SSW	W	SSE	W	S	S	NE	ENE	NNE	NNW	ESE	SSE	N	ESE	SSE	SSW	SSE	SE	NE	N	SSE	WSW	SW	S	SW	S	WSW	WNW
mm	—	—	—	—	—	—	—	—	6	—	—	—	—	—	—	7	4	—	—	—	—	—	—	—	—	—	6	—	—	—	—	—	—	—	1.0	1.0
max°C	11	13	13	10	10	7	10	10	8	13	18	14	17	18	13	9	8	8	12	12	10	13	14	11	11	12	8	10	12	10	20	21	15	20	19	15
Moonrise	3:22	—	—	3:44	—	—	4:06	—	—	4:28	—	—	4:52	—	—	5:22	—	—	5:58	—	—	6:43	—	—	7:39	—	—	8:43	—	—	9:51	—	—	10:59	—	—
Moonset	2:23	—	—	—	3:41	—	—	5:00	—	—	6:20	—	—	7:42	—	—	—	9:03	—	—	10:20	—	—	11:27	—	—	—	12:22	—	—	1:04	—	—	1:37	—	—
	5:28	—	—	5:28	—	—	5:26	—	—	5:24	—	—	5:24	—	—	5:22	—	—	5:22	—	—	5:20	—	—	5:18	—	—	5:18	—	—	5:16	—	—	5:16	—	—
	—	7:45	—	—	7:46	—	—	7:47	—	—	7:49	—	—	7:51	—	—	7:52	—	—	7:52	—	—	7:53	—	—	7:54	—	—	7:55	—	—	7:57	—	—	7:58	—
	Today's sea temperature in Portland, Casco Bay is 7.3 °C (Statistics for 03 May 1981-2005 – mean: 7.0 max: 8.7 min: 5.0°C)