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 07:09 AM and sunset is at 04:05 PM.
Days 1–3 Weather SummaryModerate rain (total 16mm), heaviest on Fri afternoon. Icy conditions (max 13°C on Fri afternoon, min -3°C on Fri night). Winds decreasing (strong winds from the S on Fri morning, light winds from the W by Sat afternoon). | Days 4–6 Weather SummaryMostly dry. Icy conditions (max 4°C on Sun morning, min -7°C on Mon night). Winds decreasing (fresh winds from the W on Sun morning, light winds from the NW by Mon afternoon). | Days 7–9 Weather SummaryA dusting of snow giving way to moderate rain (total 10mm) heaviest on Thu night. Freeze-thaw conditions (max 11°C on Fri morning, min -9°C on Wed night). Winds decreasing (fresh winds from the NW on Wed morning, calm by Wed night). | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 2°C on Sun morning, min -3°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 9:46AM2.88m | 10:27PM2.51m | 10:25AM2.90m | 11:07PM2.52m | 11:03AM2.92m | 11:45PM2.52m | 11:40AM2.94m | 00:22AM2.52m | 12:16PM2.94m | 00:57AM2.53m | 12:54PM2.93m | 1:35AM2.55m | 1:34PM2.89m | 2:15AM2.58m | 2:19PM2.84m | 2:59AM2.65m | 3:09PM2.78m | 3:46AM2.73m | 4:04PM2.72m | 4:37AM2.83m | 5:02PM2.67m | 5:31AM2.94m | 6:05PM2.65m | 6:29AM3.06m | ||||||||||||
Low Tide | 4:15PM0.09m | 4:12AM0.45m | 4:54PM0.07m | 4:49AM0.44m | 5:31PM0.05m | 5:26AM0.42m | 6:06PM0.05m | 6:04AM0.41m | 6:42PM0.04m | 6:42AM0.39m | 7:18PM0.05m | 7:23AM0.38m | 7:58PM0.05m | 8:09AM0.36m | 8:41PM0.07m | 9:00AM0.33m | 9:28PM0.09m | 9:55AM0.27m | 10:18PM0.12m | 10:53AM0.20m | 11:10PM0.14m | 11:54AM0.09m | 00:07AM0.15m | |||||||||||||
SSE 9 | S 4 | SSE 6 | SSE 7 | SSE 10 | SSE 11 | SSE 11 | SSE 11 | S 5 | SSE 8 | SE 9 | SE 11 | SE 10 | ESE 10 | SE 10 | SSW 4 | SSW 6 | S 6 | NNW 4 | N 4 | NNE 4 | SW 2 | SSW 4 | S 6 | S 7 | S 8 | SSE 10 | SSE 10 | S 9 | SSE 8 | SSE 8 | SSE 7 | SSE 4 | SSE 5 | SSE 4 | NE 4 | |
 |  |  |  |  | | |  | | | |  | | | | | | | | | | | |  | | | | | |  | | | | | | | |
clear | some clouds | some clouds | mod rain | rain shwrs | some clouds | clear | cloudy | some clouds | clear | clear | clear | clear | clear | some clouds | cloudy | some clouds | clear | clear | clear | some clouds | cloudy | cloudy | light snow | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | cloudy | some clouds | cloudy | some clouds | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 8 | 8 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 10 | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 3 | 4 | 9 | 12 | 13 | 1 | 1 | 0 | 3 | 4 | 1 | -2 | -6 | -6 | -5 | -1 | 0 | 2 | -6 | -6 | -9 | -3 | -1 | 5 | 11 | 9 | 2 | 1 | 1 | 1 | 2 | 2 | 2 | 2 | 2 | 0 |
Moonrise | 6:13 | — | — | 7:12 | — | — | 8:04 | — | — | 8:47 | — | — | 9:23 | — | — | 9:51 | — | — | 10:15 | — | — | 10:36 | — | — | 10:56 | — | — | 11:15 | — | — | 11:36 | — | — | 12:01 | — | — |
Moonset | 2:36 | — | — | — | 3:23 | — | — | 4:19 | — | — | 5:21 | — | — | 6:29 | — | — | 7:38 | — | — | 8:48 | — | — | — | 9:57 | — | — | 11:08 | — | — | — | 12:20 | — | — | 1:36 | — | — |
 | 7:09 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — |
 | — | 4:05 | — | — | 4:06 | — | — | 4:06 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:08 | — | — | 4:08 | — | — | 4:09 | — | — | 4:10 | — | — | 4:12 | — |
Today's sea temperature in Portland, Casco Bay is 6.2° C (Statistics for 18 Dec 1981-2005 – mean: 6.3 max: 7.7 min: 4.5°C) | ||||||||||||||||||||||||||||||||||||
Nearest