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 06:26 AM and sunset is at 04:21 PM.
Days 1–3 Weather SummaryLight rain (total 5mm), mostly falling on Sun night. Cool air temperatures (max 14°C on Fri morning, min 1°C on Sat night). Winds decreasing (fresh winds from the NW on Fri night, light winds from the W by Sat night). | Days 4–6 Weather SummaryMostly dry. Cool air temperatures (max 15°C on Mon morning, min 1°C on Tue night). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 46mm), heaviest during Thu night. Later becoming colder with a dusting of snow on Fri afternoon. Freeze-thaw conditions (max 8°C on Thu afternoon, min 0°C on Sat night). Winds decreasing (strong winds from the ENE on Thu night, light winds from the NW by Sat night). | Days 10–12 Weather SummaryModerate rain (total 10mm), heaviest on Mon night. Very mild (max 12°C on Mon afternoon, min 2°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 8 | Saturday 9 | Sunday 10 | Monday 11 | Tuesday 12 | Wednesday 13 | Thursday 14 | Friday 15 | Saturday 16 | Sunday 17 | Monday 18 | Tuesday 19 | |||||||||||||||||||||||||
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 | 3:28PM2.81m | 4:19AM2.50m | 4:30PM2.81m | 5:20AM2.61m | 5:36PM2.84m | 6:19AM2.77m | 6:41PM2.90m | 7:16AM2.97m | 7:43PM2.99m | 8:10AM3.19m | 8:41PM3.07m | 9:01AM3.36m | 9:36PM3.12m | 9:51AM3.49m | 10:30PM3.12m | 10:40AM3.54m | 11:22PM3.08m | 11:30AM3.51m | 00:14AM2.99m | 12:20PM3.40m | 1:07AM2.88m | 1:12PM3.25m | 2:01AM2.76m | |||||||||||||
Low Tide | 9:14AM0.54m | 9:59PM0.21m | 10:16AM0.50m | 10:59PM0.18m | 11:22AM0.39m | 11:59PM0.12m | 12:27PM0.23m | 00:57AM0.04m | 1:30PM0.02m | 1:52AM-0.05m | 2:28PM-0.19m | 2:45AM-0.12m | 3:23PM-0.37m | 3:36AM-0.16m | 4:15PM-0.48m | 4:26AM-0.16m | 5:07PM-0.52m | 5:16AM-0.10m | 5:58PM-0.47m | 6:06AM0.00m | 6:50PM-0.36m | 6:58AM0.13m | 7:43PM-0.20m | |||||||||||||
SW 4 | SSW 5 | NNW 4 | N 4 | N 4 | SE 10 | SW 3 | SSW 4 | S 5 | S 5 | S 6 | S 9 | SSE 9 | NW 3 | N 4 | SSE 8 | SE 8 | ENE 3 | E 4 | E 5 | ESE 8 | ESE 9 | E 9 | E 9 | ESE 8 | ESE 8 | ESE 8 | ESE 9 | ESE 8 | ESE 9 | SSW 4 | S 5 | S 6 | S 7 | SSE 9 | SW 5 | |
 |  |  | | | | | |  | | |  |  | | | | | | | |  |  |  |  | | | | | | | | | | | | | |
clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | rain shwrs | clear | some clouds | some clouds | cloudy | clear | clear | clear | clear | some clouds | cloudy | cloudy | heavy rain | light rain | light snow | light snow | cloudy | some clouds | some clouds | clear | some clouds | some clouds | some clouds | some clouds | rain shwrs | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | 5 | — | — | — | — | — | — | — | — | — | — | — | 40 | 4 | 2.0 | — | — | — | — | — | — | — | — | — | 10 | — | — | — | |
max°C | 14 | 12 | 7 | 7 | 7 | 4 | 9 | 11 | 11 | 15 | 14 | 10 | 15 | 9 | 5 | 7 | 8 | 5 | 7 | 8 | 8 | 4 | 2 | 1 | 4 | 3 | 0 | 5 | 5 | 3 | 10 | 12 | 11 | 10 | 8 | 6 |
Moonrise | 12:54 | — | — | 1:21 | — | — | 1:45 | — | — | 2:07 | — | — | 2:28 | — | — | 2:50 | — | — | — | 3:16 | — | — | 3:48 | — | — | 4:29 | — | — | 5:20 | — | — | 6:23 | — | — | 7:32 | — |
Moonset | — | — | 10:22 | — | — | 11:39 | — | — | — | 12:56 | — | — | 2:14 | — | — | 3:33 | — | — | 4:55 | — | — | 6:19 | — | — | 7:43 | — | — | 9:01 | — | — | 10:08 | — | — | 11:01 | — | — |
 | 6:26 | — | — | 6:28 | — | — | 6:28 | — | — | 6:31 | — | — | 6:31 | — | — | 6:33 | — | — | 6:35 | — | — | 6:35 | — | — | 6:37 | — | — | 6:37 | — | — | 6:39 | — | — | 6:41 | — | — |
 | — | 4:21 | — | — | 4:20 | — | — | 4:19 | — | — | 4:17 | — | — | 4:16 | — | — | 4:15 | — | — | 4:15 | — | — | 4:14 | — | — | 4:13 | — | — | 4:12 | — | — | 4:12 | — | — | 4:10 | — |
Today's sea temperature in Portland, Casco Bay is 11.4 °C (Statistics for 08 Nov 1981-2005 – mean: 9.4 max: 10.7 min: 8.4°C) | ||||||||||||||||||||||||||||||||||||
Nearest