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 05:48 AM and sunset is at 07:30 PM.
Days 1–3 Weather SummaryModerate rain (total 10mm), heaviest on Sat morning. Cool air temperatures (max 13°C on Sat afternoon, min 3°C on Sat night). Wind will be generally light. | Days 4–6 Weather SummaryModerate rain (total 11mm), heaviest on Wed afternoon. Icy conditions (max 13°C on Tue afternoon, min -2°C on Wed night). Winds decreasing (fresh winds from the S on Tue afternoon, light winds from the WNW by Thu night). | Days 7–9 Weather SummaryMostly dry. Very mild (max 11°C on Sat afternoon, min 2°C on Fri morning). Wind will be generally light. | Days 10–12 Weather SummaryModerate rain (total 10mm), heaviest on Mon afternoon. Warm (max 26°C on Tue afternoon, min 5°C on Wed afternoon). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | |||||||||||||||||||||||||
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 | 9:51AM2.68m | 10:15PM2.71m | 10:34AM2.71m | 10:50PM2.80m | 11:13AM2.73m | 11:23PM2.87m | 11:49AM2.72m | 11:54PM2.93m | 12:24PM2.70m | 00:26AM2.97m | 12:59PM2.66m | 00:59AM2.98m | 1:36PM2.62m | 1:35AM2.99m | 2:16PM2.57m | 2:16AM2.97m | 3:01PM2.53m | 3:02AM2.95m | 3:51PM2.51m | 3:55AM2.91m | 4:47PM2.51m | 4:55AM2.89m | 5:49PM2.56m | |||||||||||||
Low Tide | 4:02PM0.32m | 4:23AM0.28m | 4:39PM0.30m | 5:02AM0.19m | 5:12PM0.30m | 5:38AM0.12m | 5:44PM0.30m | 6:13AM0.08m | 6:16PM0.32m | 6:47AM0.05m | 6:49PM0.35m | 7:23AM0.05m | 7:25PM0.38m | 8:02AM0.05m | 8:05PM0.42m | 8:45AM0.08m | 8:50PM0.46m | 9:34AM0.11m | 9:42PM0.49m | 10:28AM0.13m | 10:41PM0.49m | 11:28AM0.14m | 11:46PM0.45m | |||||||||||||
SSE 5 | SSE 4 | SE 7 | SSE 7 | SE 7 | SE 7 | SE 7 | SE 12 | SE 11 | S 4 | SSE 5 | S 6 | S 6 | SSE 6 | S 6 | SSW 6 | SSW 6 | SE 8 | SE 9 | SE 9 | SE 8 | SE 8 | SE 7 | S 4 | ESE 10 | S 3 | S 4 | SSE 5 | SSE 6 | SSE 7 | SSE 8 | SSE 8 | SSE 8 | SSE 8 | ESE 7 | SSE 8 | |
 |  |  |  |  |  | | | | |  |  |  | | | | | | | | | | | | | | | | | | | |  | | |  | |
mod rain | rain shwrs | rain shwrs | clear | some clouds | clear | clear | clear | clear | some clouds | cloudy | some clouds | light rain | mod rain | clear | cloudy | rain shwrs | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | some clouds | light rain | light rain | rain shwrs | some clouds | some clouds | risk tstorm | cloudy | light rain | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
6 | 2.0 | 2.0 | — | — | — | — | — | — | — | — | — | 1.0 | 9 | — | — | 1.0 | — | — | — | — | — | — | — | — | — | — | 1.0 | 5 | 1.0 | — | — | 2.0 | — | 1.0 | — | |
max°C | 8 | 13 | 10 | 10 | 12 | 10 | 8 | 11 | 9 | 11 | 13 | 11 | 8 | 9 | 6 | 2 | 8 | 5 | 7 | 10 | 8 | 9 | 11 | 7 | 10 | 10 | 7 | 8 | 12 | 15 | 20 | 26 | 23 | 7 | 6 | 6 |
Moonrise | — | 4:23 | — | — | 5:25 | — | — | 6:28 | — | — | 7:34 | — | — | 8:41 | — | — | — | 9:51 | — | — | 11:00 | — | — | — | 12:05 | — | — | 1:02 | — | — | 1:49 | — | — | 2:27 | — | — |
Moonset | 4:36 | — | — | 4:52 | — | — | 5:09 | — | — | 5:27 | — | — | 5:47 | — | — | 6:12 | — | — | 6:42 | — | — | 7:22 | — | — | 8:13 | — | — | 9:16 | — | — | 10:28 | — | — | 11:45 | — | — |
 | 5:48 | — | — | 5:47 | — | — | 5:46 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — | — | 5:39 | — | — | 5:37 | — | — | 5:37 | — | — | 5:35 | — | — | 5:33 | — | — | 5:31 | — | — |
 | — | 7:30 | — | — | 7:31 | — | — | 7:32 | — | — | 7:34 | — | — | 7:35 | — | — | 7:37 | — | — | 7:37 | — | — | 7:38 | — | — | 7:39 | — | — | 7:40 | — | — | 7:42 | — | — | 7:44 | — |
Today's sea temperature in Portland, Casco Bay is 7.5 °C (Statistics for 20 Apr 1981-2005 – mean: 5.3 max: 6.9 min: 3.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest