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 06:00 AM and sunset is at 07:22 PM.

	Days 1–3 Weather Summary Moderate rain (total 10mm), heaviest on Wed afternoon. Cool air temperatures (max 16°C on Tue morning, min 5°C on Wed night). Wind will be generally light.									Days 4–6 Weather Summary Moderate rain (total 13mm), heaviest on Sun night. Cool air temperatures (max 13°C on Fri morning, min 4°C on Sat night). Wind will be generally light.									Days 7–9 Weather Summary Mostly dry. Freeze-thaw conditions (max 16°C on Wed afternoon, min -1°C on Mon night). Wind will be generally light.									Days 10–12 Weather Summary Mostly dry. Very mild (max 11°C on Thu afternoon, min 3°C on Thu night). Wind will be generally light.
	Tuesday 14			Wednesday 15			Thursday 16			Friday 17			Saturday 18			Sunday 19			Monday 20			Tuesday 21			Wednesday 22			Thursday 23			Friday 24			Saturday 25			Sunday 26			Monday 27			Tuesday 28			Wed 29
	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	9:16AM2.80m		9:43PM2.85m	10:03AM2.92m		10:24PM3.05m	10:49AM3.01m		11:06PM3.24m		11:37AM3.07m	11:49PM3.38m		12:24PM3.09m	00:35AM3.45m		1:13PM3.06m	1:22AM3.46m		2:04PM2.99m	2:13AM3.39m		3:00PM2.87m	3:09AM3.26m		4:02PM2.76m	4:12AM3.11m			5:09PM2.68m	5:21AM2.97m		6:16PM2.65m	6:31AM2.88m		7:22PM2.69m	7:41AM2.83m		8:25PM2.78m	8:45AM2.83m		9:18PM2.88m	9:41AM2.83m
Low Tide		3:27PM0.14m	3:50AM0.09m		4:09PM0.02m	4:36AM-0.12m		4:52PM-0.07m		5:23AM-0.30m		5:36PM-0.13m	6:10AM-0.42m		6:22PM-0.14m	6:59AM-0.47m		7:09PM-0.10m	7:49AM-0.45m		7:59PM-0.02m	8:42AM-0.35m		8:53PM0.10m	9:41AM-0.22m		9:55PM0.23m	10:45AM-0.08m		11:02PM0.33m		11:52AM0.03m	00:13AM0.38m		12:59PM0.10m	1:25AM0.35m		2:03PM0.13m	2:32AM0.26m		3:00PM0.13m	3:30AM0.15m		3:49PM0.14m
Wave height (m) direction period (s)	SSE 8	SSE 8	SSE 5	SSE 6	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 8	SSE 7	SSE 8	SSE 7	SSE 7	SE 5	SE 5	SE 5	SE 6	SSE 6	SSE 6	SSE 7	SE 7	SE 7	SSW 4	S 6	S 7	S 7	S 7	S 7	SSE 6	SSE 8	S 3	S 3	ESE 14	SSW 3	ESE 14	ESE 13	ESE 13	SE 6	ESE 7	ESE 7	ESE 7	SE 8	SSE 8	SSE 8	SSE 9	SSE 9

	clear	rain shwrs	rain shwrs	cloudy	light rain	light rain	cloudy	some clouds	cloudy	cloudy	some clouds	clear	clear	some clouds	cloudy	cloudy	light rain	rain shwrs	some clouds	cloudy	some clouds	clear	clear	some clouds	some clouds	some clouds	clear	clear	clear	some clouds	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	light rain	heavy rain	heavy rain	light rain	light rain	cloudy	cloudy	light rain	cloudy	cloudy
km/h	SE	SE	NE	SE	ESE	E	SE	SE	S	NNE	SW	NNE	E	SE	S	S	S	W	W	WNW	WNW	NW	WNW	SW	SW	W	W	NNW	NW	NNW	W	WNW	W	SSE	S	WSW	ESE	NE	ENE	NE	N	NNW	N	S	NNW	NW	WNW
mm	—	1	2	—	4	3	—	—	—	—	—	—	—	—	—	—	2	11	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	2	25	19	2	1	—	—	2	—	—
max°C	16	15	10	8	7	6	7	9	14	13	13	13	9	9	6	8	10	10	4	4	2	3	9	9	9	16	11	7	11	8	7	10	8	9	10	8	8	7	5	6	6	6	8	11	8	8	10
Moonrise	4:32	—	—	4:52	—	—	5:13	—	—	5:37	—	—	6:05	—	—	6:41	—	—	7:28	—	—	8:28	—	—	9:38	—	—	10:55	—	—	12:11	—	—	1:25	—	—	2:36	—	—	—	3:44	—	—	4:50	—	—	5:57
Moonset	—	4:16	—	—	5:31	—	—	6:48	—	—	8:09	—	—	—	9:32	—	—	10:55	—	—	—	12:09	—	—	1:11	—	—	1:59	—	—	2:35	—	—	3:03	—	—	3:26	—	—	3:45	—	—	4:04	—	—	4:22	—
	6:00	—	—	5:58	—	—	5:56	—	—	5:54	—	—	5:54	—	—	5:52	—	—	5:50	—	—	5:48	—	—	5:47	—	—	5:46	—	—	5:43	—	—	5:43	—	—	5:41	—	—	5:39	—	—	5:37	—	—	5:37	—
	—	7:22	—	—	7:22	—	—	7:24	—	—	7:25	—	—	7:27	—	—	7:28	—	—	7:29	—	—	7:30	—	—	7:31	—	—	7:32	—	—	7:34	—	—	7:35	—	—	7:37	—	—	7:37	—	—	7:38	—	—	7:39
	Today's sea temperature in Portland, Casco Bay is 5.2° C (Statistics for 14 Apr 1981-2005 – mean: 4.5 max: 6.5 min: 3.0°C)