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 04:06 PM.
Days 1–3 Weather SummaryModerate rain (total 12mm), heaviest on Fri morning. Icy conditions (max 12°C on Fri morning, min -6°C on Sun night). Winds decreasing (strong winds from the SSE on Fri morning, light winds from the NW by Sat morning). | Days 4–6 Weather SummaryA dusting of new snow. Icy conditions (max 2°C on Wed morning, min -5°C on Mon morning). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 14mm) heaviest on Thu night, then becoming colder with a dusting of snow on Fri morning. Freeze-thaw conditions (max 4°C on Thu night, min -6°C on Sat night). Wind will be generally light. | Days 10–12 Weather SummaryA moderate fall of snow, heaviest on Tue night. Temperatures will be below freezing (max -1°C on Tue afternoon, min -13°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||||||
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 | 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 | 7:11PM2.67m | |||||||||||||
Low Tide | 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 | 12:58PM-0.03m | 1:08AM0.12m | |||||||||||||
SSE 7 | SSE 9 | SSE 10 | SSE 11 | SSE 11 | SSW 6 | SSE 8 | SSE 9 | SE 10 | SE 10 | ESE 10 | ESE 9 | SSW 4 | S 6 | S 6 | SSE 9 | N 3 | SE 9 | SW 3 | SE 11 | SSE 3 | SSE 5 | SSE 6 | SSE 9 | S 9 | SSE 9 | NNE 4 | SSE 7 | NW 3 | NW 3 | WNW 3 | W 3 | W 2 | SW 4 | SSW 4 | S 5 | |
 |  |  |  |  | | | |  | | | |  |  | | | | | |  |  | | | | | | | | | | | | | | |  | |
light rain | rain shwrs | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | clear | some clouds | light snow | snow shwrs | clear | clear | clear | some clouds | some clouds | cloudy | heavy rain | snow shwrs | some clouds | some clouds | cloudy | light snow | some clouds | clear | clear | clear | clear | some clouds | some clouds | some clouds | cloudy | mod snow | |
km/h | ||||||||||||||||||||||||||||||||||||
5 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 14 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 12 | 12 | 2 | 1 | 0 | 3 | 4 | 0 | -1 | -4 | -4 | -3 | 1 | 1 | 1 | 2 | 1 | -3 | -1 | 0 | 4 | 3 | 2 | 2 | 0 | -2 | -2 | -5 | -5 | -9 | -9 | -8 | -8 | -3 | -1 | -1 |
Moonrise | 7:12 | — | — | 8:04 | — | — | 8:47 | — | — | 9:23 | — | — | 9:51 | — | — | 10:15 | — | — | 10:36 | — | — | 10:56 | — | — | 11:15 | — | — | 11:36 | — | — | 12:01 | — | — | 12:31 | — | — |
Moonset | — | 3:23 | — | — | 4:19 | — | — | 5:21 | — | — | 6:29 | — | — | 7:38 | — | — | 8:48 | — | — | — | 9:57 | — | — | 11:08 | — | — | — | 12:20 | — | — | 1:36 | — | — | 2:56 | — | — |
 | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — |
 | — | 4:06 | — | — | 4:06 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:07 | — | — | 4:08 | — | — | 4:08 | — | — | 4:09 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — |
Today's sea temperature in Portland, Casco Bay is 6.2° C (Statistics for 19 Dec 1981-2005 – mean: 6.2 max: 7.7 min: 4.5°C) | ||||||||||||||||||||||||||||||||||||
Nearest