Portland 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 04:22 PM.
Days 1–3 Weather SummaryModerate rain (total 16mm), heaviest on Fri morning. Icy conditions (max 14°C on Fri morning, min -2°C on Fri night). Winds increasing (light winds from the ESE on Thu afternoon, fresh winds from the S by Fri morning). | Days 4–6 Weather SummaryA dusting of new snow. Icy conditions (max 7°C on Sun morning, min -5°C on Sun night). Wind will be generally light. | Days 7–9 Weather SummaryA dusting of snow giving way to moderate rain (total 10mm) heaviest on Fri morning. Freeze-thaw conditions (max 7°C on Fri night, min -6°C on Wed night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 3°C on Mon morning, min -5°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 18 | Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | |||||||||||||||||||||||||
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 | 11:47AM0.75m | 00:20AM0.53m | 12:22PM0.76m | 00:58AM0.54m | 12:58PM0.76m | 1:37AM0.55m | 1:35PM0.76m | 2:17AM0.56m | 2:14PM0.74m | 2:58AM0.57m | 2:55PM0.72m | 3:42AM0.58m | 3:39PM0.69m | 4:28AM0.60m | 4:29PM0.65m | 5:17AM0.63m | 5:24PM0.61m | 6:10AM0.66m | 6:24PM0.58m | 7:06AM0.71m | 7:28PM0.55m | 8:02AM0.76m | 8:31PM0.55m | |||||||||||||
Low Tide | 7:08PM0.02m | 7:49PM0.00m | 7:40AM0.11m | 8:29PM-0.01m | 8:22AM0.12m | 9:10PM-0.01m | 9:06AM0.12m | 9:53PM-0.00m | 9:52AM0.13m | 10:35PM0.01m | 10:42AM0.14m | 11:20PM0.03m | 11:36AM0.14m | 00:06AM0.04m | 12:35PM0.12m | 00:53AM0.05m | 1:35PM0.10m | 1:43AM0.06m | 2:35PM0.06m | 2:34AM0.05m | 3:33PM0.01m | 3:27AM0.04m | ||||||||||||||
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 | |  |  |  |  |  | |  | | | | | |  |  |  | | | | | | |  | |  | | | | | | | | | | | |
clear | clear | light rain | heavy rain | rain shwrs | clear | some clouds | some clouds | some clouds | clear | clear | clear | clear | some clouds | light snow | light snow | cloudy | some clouds | clear | clear | some clouds | some clouds | some clouds | cloudy | light snow | light rain | some clouds | some clouds | clear | clear | some clouds | cloudy | some clouds | clear | clear | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 3 | 12 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 9 | 1 | — | — | — | — | — | — | — | — | — | — | |
max°C | 6 | 5 | 13 | 14 | 7 | -1 | 2 | 1 | 5 | 7 | 3 | -2 | -2 | -2 | -1 | 1 | 2 | 4 | 2 | 0 | -5 | 0 | 1 | 0 | 3 | 4 | 7 | 1 | -1 | -4 | 0 | 0 | -1 | 3 | 2 | 0 |
Moonrise | 6:14 | — | — | 7:12 | — | — | 8:04 | — | — | 8:48 | — | — | 9:25 | — | — | 9:55 | — | — | 10:21 | — | — | 10:44 | — | — | 11:05 | — | — | 11:26 | — | — | 11:49 | — | — | 12:15 | — | — |
Moonset | 2:55 | — | — | — | 3:42 | — | — | 4:38 | — | — | 5:40 | — | — | 6:46 | — | — | 7:54 | — | — | — | 9:01 | — | — | 10:09 | — | — | 11:18 | — | — | — | 12:28 | — | — | 1:42 | — | — |
 | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:13 | — | — | 7:15 | — | — | 7:15 | — | — | 7:15 | — | — | 7:16 | — | — | 7:16 | — | — | 7:16 | — | — |
 | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:22 | — | — | 4:23 | — | — | 4:23 | — | — | 4:24 | — | — | 4:24 | — | — | 4:25 | — | — | 4:27 | — | — | 4:27 | — | — | 4:28 | — |
Today's sea temperature in Portland is 6.9° C (Statistics for 18 Dec 1981-2005 – mean: 8.4 max: 11.4 min: 6.8°C) | ||||||||||||||||||||||||||||||||||||
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