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 07:11 AM and sunset is at 04:08 PM.
Days 1–3 Weather SummaryMostly dry. Icy conditions (max 1°C on Thu morning, min -13°C on Thu night). Winds increasing (calm on Wed night, fresh winds from the NNW by Thu afternoon). | Days 4–6 Weather SummaryA dusting of snow turning to light rain (total 5mm) on Mon morning. Icy conditions (max 4°C on Mon morning, min -7°C on Sat night). Winds increasing (calm on Sun night, fresh winds from the W by Mon night). | Days 7–9 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 1°C on Thu afternoon, min -11°C on Fri afternoon). Wind will be generally light. | Days 10–12 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 4°C on Mon afternoon, min -14°C on Fri night). Wind will be generally light. | ||||||||||||||||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Mon 5 | ||||||||||||||||||||||||
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 |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 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 | 7:29AM3.18m | 8:13PM2.70m | 8:26AM3.27m | 9:13PM2.78m | 9:23AM3.37m | 10:10PM2.86m | 10:19AM3.43m | 11:05PM2.91m | 11:14AM3.44m | 11:58PM2.95m | 12:07PM3.39m | |||||||||||||
Low Tide | 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 | 2:00PM-0.18m | 2:06AM0.10m | 2:58PM-0.29m | 3:04AM0.03m | 3:54PM-0.39m | 4:01AM-0.03m | 4:50PM-0.45m | 4:56AM-0.07m | 5:42PM-0.46m | 5:51AM-0.08m | 6:33PM-0.41m | ||||||||||||
ESE 9 | ESE 9 | N 4 | E 11 | ESE 10 | E 10 | E 12 | ESE 12 | ESE 12 | ESE 12 | E 12 | E 12 | S 5 | SSE 6 | SSW 6 | SW 6 | SSW 6 | W 4 | E 12 | W 3 | SSW 5 | SSW 6 | S 6 | S 6 | S 6 | NW 3 | SE 9 | ESE 10 | ESE 10 | ESE 10 | ESE 9 | SE 9 | SSW 4 | S 6 | SSE 6 | |
 |  |  | |  |  | | | | | |  |  |  | | | | | | | | |  |  | | | | | | | | |  | | | |
cloudy | clear | clear | clear | some clouds | cloudy | some clouds | some clouds | clear | clear | some clouds | light snow | light rain | rain shwrs | clear | some clouds | cloudy | clear | clear | some clouds | cloudy | cloudy | light snow | some clouds | some clouds | clear | clear | clear | clear | some clouds | some clouds | cloudy | snow shwrs | some clouds | clear | |
km/h | |||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | 4 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 1 | -2 | -10 | -8 | -8 | -10 | -7 | -5 | -5 | 1 | 1 | 0 | 4 | 4 | 1 | -5 | -6 | -7 | -5 | -4 | -2 | 0 | 1 | 1 | -5 | -9 | -13 | -10 | -9 | -10 | -8 | -5 | -1 | 3 | 4 |
Moonrise | 10:36 | — | — | 10:56 | — | — | 11:15 | — | — | 11:36 | — | — | 12:01 | — | — | 12:31 | — | — | 1:10 | — | — | 2:03 | — | — | — | 3:10 | — | — | 4:27 | — | — | 5:48 | — | — | 7:07 |
Moonset | — | — | 9:57 | — | — | 11:08 | — | — | — | 12:20 | — | — | 1:36 | — | — | 2:56 | — | — | 4:18 | — | — | 5:39 | — | — | 6:50 | — | — | 7:48 | — | — | 8:32 | — | — | 9:04 | — |
 | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — |
 | — | 4:08 | — | — | 4:08 | — | — | 4:09 | — | — | 4:10 | — | — | 4:12 | — | — | 4:12 | — | — | 4:13 | — | — | 4:14 | — | — | 4:15 | — | — | 4:15 | — | — | 4:16 | — | — | 4:17 |
Today's sea temperature in Portland, Casco Bay is 5.6° C (Statistics for 25 Dec 1981-2005 – mean: 5.7 max: 6.8 min: 3.9°C) | |||||||||||||||||||||||||||||||||||
Nearest