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 07:03 AM and sunset is at 06:54 PM.
Days 1–3 Weather SummaryHeavy rain (total 36mm), heaviest during Mon night. Icy conditions (max 15°C on Mon night, min -2°C on Sat night). Winds increasing (calm on Sun morning, fresh winds from the S by Mon night). | Days 4–6 Weather SummaryMostly dry. Icy conditions (max 4°C on Thu afternoon, min -4°C on Wed morning). Wind will be generally light. | Days 7–9 Weather SummaryA dusting of new snow. Freeze-thaw conditions (max 11°C on Sat afternoon, min -4°C on Sun night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Freeze-thaw conditions (max 8°C on Wed afternoon, min -7°C on Tue morning). Wind will be generally light. | ||||||||||||||||||||||||||||||||||||||||||||
Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sun 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 | AM | PM | night | AM | PM | night | AM | PM | night | AM | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||||||||||
High Tide | 10:33AM0.64m | 11:11PM0.55m | 11:20AM0.67m | 11:52PM0.60m | 12:03PM0.70m | 00:30AM0.66m | 12:45PM0.73m | 1:07AM0.73m | 1:27PM0.74m | 1:46AM0.79m | 2:09PM0.74m | 2:26AM0.84m | 2:52PM0.73m | 3:09AM0.87m | 3:38PM0.70m | 3:54AM0.87m | 4:27PM0.66m | 4:45AM0.86m | 5:21PM0.60m | 5:41AM0.83m | 6:24PM0.56m | 6:46AM0.78m | 7:35PM0.54m | 7:58AM0.74m | 8:49PM0.54m | 9:12AM0.72m | 10:00PM0.58m | 10:22AM0.71m | |||||||||||||||||||
Low Tide | 5:12AM0.15m | 5:52PM0.06m | 6:01AM0.11m | 6:35PM0.03m | 6:46AM0.06m | 7:15PM-0.00m | 7:30AM0.01m | 7:53PM-0.02m | 8:13AM-0.04m | 8:32PM-0.04m | 8:57AM-0.07m | 9:10PM-0.04m | 9:44AM-0.09m | 9:51PM-0.04m | 10:32AM-0.09m | 10:34PM-0.02m | 11:24AM-0.07m | 11:22PM0.02m | 12:21PM-0.04m | 00:17AM0.06m | 1:22PM-0.01m | 1:20AM0.09m | 2:26PM0.02m | 2:29AM0.11m | 3:31PM0.04m | 3:39AM0.11m | 4:33PM0.04m | 4:46AM0.08m | 5:29PM0.03m | ||||||||||||||||||
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clear | clear | clear | cloudy | some clouds | light rain | mod rain | mod rain | rain shwrs | clear | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | clear | cloudy | cloudy | cloudy | some clouds | some clouds | snow shwrs | light snow | some clouds | some clouds | some clouds | clear | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | cloudy | cloudy | cloudy | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | — | — | 2 | 10 | 9 | 15 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 6 | 6 | 3 | 2 | 4 | 8 | 13 | 14 | 15 | 1 | 3 | 0 | -1 | 2 | 0 | 2 | 4 | 1 | 4 | 7 | 4 | 9 | 11 | 5 | 1 | 7 | 3 | 0 | 4 | 0 | -2 | 3 | -1 | 1 | 8 | 4 | 4 | 10 | 6 | 6 | 11 | 6 | 4 | 8 | 3 | 5 | 6 |
Moonrise | 4:55 | — | — | 5:26 | — | — | 5:53 | — | — | 6:17 | — | — | 6:39 | — | — | 7:01 | — | — | 7:25 | — | — | 7:51 | — | — | 8:24 | — | — | 9:04 | — | — | 9:55 | — | — | 10:57 | — | — | 12:07 | — | — | 1:22 | — | — | 2:36 | — | — | — | 3:48 |
Moonset | 2:10 | — | — | — | 3:19 | — | — | 4:28 | — | — | 5:39 | — | — | 6:51 | — | — | 8:04 | — | — | — | 9:20 | — | — | 10:38 | — | — | 11:57 | — | — | — | 1:13 | — | — | 2:21 | — | — | 3:17 | — | — | 4:01 | — | — | 4:36 | — | — | 5:04 | — |
 | 7:03 | — | — | 7:03 | — | — | 7:01 | — | — | 6:58 | — | — | 6:58 | — | — | 6:56 | — | — | 6:54 | — | — | 6:52 | — | — | 6:50 | — | — | 6:48 | — | — | 6:47 | — | — | 6:46 | — | — | 6:43 | — | — | 6:41 | — | — | 6:41 | — | — | 6:39 | — |
 | — | 6:54 | — | — | 6:55 | — | — | 6:57 | — | — | 6:58 | — | — | 6:59 | — | — | 7:00 | — | — | 7:01 | — | — | 7:02 | — | — | 7:04 | — | — | 7:05 | — | — | 7:06 | — | — | 7:07 | — | — | 7:07 | — | — | 7:08 | — | — | 7:09 | — | — | 7:12 |
Today's sea temperature in Portland is 3.5° C (Statistics for 14 Mar 1981-2005 – mean: 3.9 max: 6.0 min: 2.1°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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