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 16mm), heaviest on Fri morning. Icy conditions (max 12°C on Fri morning, min -4°C on Fri night). Mainly strong winds. | Days 4–6 Weather SummaryMostly dry. Icy conditions (max 2°C on Wed morning, min -8°C on Mon afternoon). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 15mm), heaviest on Thu night. Freeze-thaw conditions (max 7°C on Fri afternoon, min -3°C on Wed night). Winds increasing (calm on Wed night, fresh winds from the WNW by Fri afternoon). | Days 10–12 Weather SummaryMostly dry. Temperatures will be below freezing (max 0°C on Sat night, min -5°C on Mon 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 | Tue 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 | |
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 | |||||||||||||
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 | |||||||||||||
SSE 7 | SSE 10 | SSE 10 | SSE 11 | SSE 11 | S 6 | SSE 8 | SSE 9 | SE 10 | ESE 10 | ESE 10 | SE 10 | SSW 4 | SSW 5 | SSE 6 | SE 9 | N 4 | SE 9 | SSW 4 | SSW 6 | S 5 | SE 4 | SSE 6 | SSE 10 | S 10 | SSE 9 | S 8 | SSE 7 | NNE 3 | NE 4 | ENE 5 | E 6 | NE 3 | ENE 5 | ENE 6 | |
 |  |  |  |  | | | |  | | | |  | | | | |  | | |  | | | | | | | | | | | | | | | |
mod rain | rain shwrs | some clouds | clear | some clouds | some clouds | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | some clouds | clear | clear | cloudy | some clouds | some clouds | mod rain | mod rain | some clouds | clear | clear | cloudy | some clouds | clear | clear | clear | some clouds | cloudy | cloudy | some clouds | clear | |
km/h | |||||||||||||||||||||||||||||||||||
8 | 7 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 6 | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 12 | 12 | 2 | 1 | 0 | 3 | 4 | 0 | -2 | -4 | -5 | -6 | -2 | 0 | 0 | 2 | 1 | -2 | 3 | 2 | 4 | 3 | 7 | 3 | 3 | 3 | 0 | 0 | -1 | -3 | -2 | -2 | -2 | -4 | -4 |
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) | |||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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