Knappa, Knappa Slough, Columbia River 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 07:05 AM and sunset is at 04:50 PM.
Days 1–3 Weather SummaryMostly dry. Cool air temperatures (max 15°C on Sun morning, min 6°C on Mon night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 5mm), mostly falling on Thu night. Cool air temperatures (max 14°C on Wed morning, min 7°C on Tue night). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 34mm), heaviest during Sat night. Very mild (max 13°C on Fri night, min 6°C on Sun night). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 3mm), mostly falling on Mon morning. Mild temperatures (max 9°C on Mon morning, min 4°C on Mon night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Saturday 8 | Sunday 9 | Monday 10 | Tuesday 11 | Wednesday 12 | Thursday 13 | Friday 14 | Saturday 15 | Sunday 16 | Monday 17 | Tuesday 18 | Wednesday 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 | 2:59PM2.87m | 4:59AM2.11m | 3:49PM2.69m | 5:59AM2.07m | 4:47PM2.48m | 7:02AM2.07m | 5:57PM2.25m | 8:04AM2.13m | 7:19PM2.07m | 9:01AM2.23m | 8:42PM1.99m | 9:49AM2.37m | 9:55PM1.99m | 10:31AM2.48m | 10:57PM2.02m | 11:07AM2.58m | 11:50PM2.07m | 11:39AM2.63m | 00:38AM2.11m | 12:09PM2.65m | 1:23AM2.13m | 12:37PM2.65m | 2:05AM2.14m | |||||||||||||
Low Tide | 9:41AM0.77m | 10:51PM-0.37m | 10:35AM0.85m | 11:46PM-0.23m | 11:37AM0.91m | 00:45AM-0.06m | 12:49PM0.93m | 1:48AM0.09m | 2:09PM0.88m | 2:50AM0.21m | 3:27PM0.74m | 3:47AM0.30m | 4:35PM0.54m | 4:37AM0.38m | 5:30PM0.33m | 5:21AM0.46m | 6:17PM0.15m | 6:02AM0.55m | 6:59PM0.00m | 6:39AM0.65m | 7:38PM-0.09m | 7:16AM0.75m | 8:14PM-0.14m | |||||||||||||
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 |  |  | | |  |  | | | | |  | | | | |  |  | | |  | | | | |  |  | | | | | | | | | | |
clear | some clouds | clear | clear | some clouds | cloudy | cloudy | some clouds | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | cloudy | light rain | rain shwrs | cloudy | some clouds | mod rain | light rain | light rain | mod rain | light rain | rain shwrs | light rain | rain shwrs | rain shwrs | clear | some clouds | some clouds | cloudy | cloudy | cloudy | rain shwrs | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2 | 3 | — | — | 7 | 3 | 5 | 10 | 3 | 3 | 3 | 1 | 1 | — | — | — | — | — | — | 1 | |
max°C | 13 | 12 | 9 | 15 | 14 | 12 | 13 | 12 | 11 | 12 | 12 | 9 | 14 | 14 | 12 | 13 | 12 | 11 | 12 | 12 | 13 | 12 | 12 | 11 | 10 | 9 | 7 | 9 | 9 | 6 | 9 | 8 | 5 | 9 | 8 | 7 |
Moonrise | — | 7:20 | — | — | 8:37 | — | — | — | 9:56 | — | — | 11:12 | — | — | — | 12:25 | — | — | 1:34 | — | — | 2:41 | — | — | 3:46 | — | — | 4:52 | — | — | 5:59 | — | — | 7:06 | — | — |
Moonset | 11:28 | — | — | 12:20 | — | — | 12:58 | — | — | 1:26 | — | — | 1:47 | — | — | 2:05 | — | — | 2:21 | — | — | 2:36 | — | — | 2:51 | — | — | — | 3:08 | — | — | 3:29 | — | — | 3:53 | — |
 | 7:05 | — | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:11 | — | — | 7:11 | — | — | 7:13 | — | — | 7:15 | — | — | 7:16 | — | — | 7:18 | — | — | 7:18 | — | — | 7:20 | — | — |
 | — | 4:50 | — | — | 4:47 | — | — | 4:46 | — | — | 4:45 | — | — | 4:45 | — | — | 4:44 | — | — | 4:42 | — | — | 4:40 | — | — | 4:39 | — | — | 4:38 | — | — | 4:37 | — | — | 4:37 | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 13.6 °C (Statistics for 08 Nov 1981-2005 – mean: 11.7 max: 12.9 min: 10.6°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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