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 07:35 AM and sunset is at 07:14 PM.
Days 1–3 Weather SummaryHeavy rain (total 131mm), heaviest during Wed afternoon. Cool air temperatures (max 11°C on Wed morning, min 2°C on Thu night). Winds decreasing (fresh winds from the SW on Wed afternoon, calm by Fri afternoon). | Days 4–6 Weather SummaryLight rain (total 4mm), mostly falling on Mon morning. Cool air temperatures (max 16°C on Mon afternoon, min 1°C on Sat night). Wind will be generally light. | Days 7–9 Weather SummaryModerate rain (total 14mm), heaviest on Thu night. Warm (max 22°C on Tue afternoon, min 6°C on Thu night). Wind will be generally light. | Days 10–12 Weather SummaryHeavy rain (total 23mm), heaviest during Fri afternoon. Later becoming colder with a dusting of snow on Sat night. Freeze-thaw conditions (max 8°C on Fri morning, min 0°C on Sun morning). Wind will be generally light. | ||||||||||||||||||||||||||||||||||||||||||||
Wednesday 11 | Thursday 12 | Friday 13 | Saturday 14 | Sunday 15 | Monday 16 | Tuesday 17 | Wednesday 18 | Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thu 26 | ||||||||||||||||||||||||||||||||
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 | 7:11AM2.26m | 9:50PM1.66m | 8:16AM2.17m | 11:02PM1.73m | 9:37AM2.14m | 11:59PM1.85m | 10:52AM2.19m | 00:42AM1.99m | 11:54AM2.29m | 1:19AM2.14m | 12:48PM2.38m | 1:52AM2.28m | 1:37PM2.45m | 2:22AM2.42m | 2:23PM2.47m | 2:52AM2.56m | 3:10PM2.45m | 3:21AM2.67m | 3:57PM2.39m | 3:52AM2.76m | 4:46PM2.27m | 4:25AM2.80m | 5:39PM2.12m | 5:03AM2.78m | 6:40PM1.95m | 5:48AM2.69m | 7:51PM1.82m | 6:44AM2.53m | |||||||||||||||||||
Low Tide | 3:32PM0.36m | 2:53AM1.07m | 4:48PM0.34m | 4:19AM1.08m | 5:54PM0.26m | 5:36AM1.00m | 6:46PM0.17m | 6:37AM0.85m | 7:28PM0.09m | 7:28AM0.67m | 8:05PM0.04m | 8:14AM0.48m | 8:39PM0.04m | 8:57AM0.30m | 9:12PM0.08m | 9:38AM0.12m | 9:45PM0.15m | 10:20AM-0.03m | 10:19PM0.26m | 11:03AM-0.13m | 10:54PM0.40m | 11:49AM-0.16m | 11:33PM0.55m | 12:40PM-0.13m | 00:18AM0.71m | 1:41PM-0.04m | 1:15AM0.86m | 2:55PM0.05m | |||||||||||||||||||
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heavy rain | heavy rain | heavy rain | mod rain | mod rain | heavy rain | heavy rain | heavy rain | light rain | light rain | some clouds | some clouds | cloudy | cloudy | cloudy | light rain | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | light rain | mod rain | mod rain | some clouds | rain shwrs | mod rain | light rain | rain shwrs | light snow | light snow | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | cloudy | some clouds | clear | clear | clear | clear | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
16 | 19 | 26 | 9 | 9 | 19 | 16 | 14 | 3 | 1 | — | — | — | — | — | 3 | — | — | — | — | — | — | — | — | 1 | 7 | 6 | — | 3 | 7 | 2 | 2 | 3 | 2 | 3 | 1 | 1 | 1 | — | — | — | — | — | — | — | — | — | |
max°C | 11 | 11 | 11 | 6 | 5 | 7 | 6 | 6 | 5 | 6 | 8 | 5 | 4 | 5 | 7 | 6 | 16 | 11 | 16 | 22 | 14 | 16 | 19 | 13 | 12 | 12 | 8 | 8 | 7 | 5 | 5 | 6 | 3 | 4 | 6 | 3 | 3 | 7 | 4 | 4 | 10 | 7 | 7 | 12 | 7 | 8 | 12 |
Moonrise | 3:35 | — | — | 4:26 | — | — | 5:08 | — | — | 5:41 | — | — | 6:08 | — | — | 6:30 | — | — | 6:49 | — | — | 7:07 | — | — | 7:25 | — | — | 7:45 | — | — | 8:08 | — | — | 8:36 | — | — | 9:14 | — | — | 10:04 | — | — | 11:07 | — | — | 12:21 | — |
Moonset | 11:16 | — | — | 12:12 | — | — | 1:16 | — | — | 2:26 | — | — | — | 3:40 | — | — | 4:54 | — | — | 6:09 | — | — | 7:26 | — | — | 8:44 | — | — | — | 10:04 | — | — | 11:28 | — | — | — | 12:52 | — | — | 2:10 | — | — | 3:17 | — | — | 4:09 | — |
 | 7:35 | — | — | 7:33 | — | — | 7:31 | — | — | 7:28 | — | — | 7:26 | — | — | 7:24 | — | — | 7:22 | — | — | 7:20 | — | — | 7:20 | — | — | 7:18 | — | — | 7:16 | — | — | 7:13 | — | — | 7:11 | — | — | 7:09 | — | — | 7:07 | — | — | 7:05 | — |
 | — | 7:14 | — | — | 7:15 | — | — | 7:15 | — | — | 7:17 | — | — | 7:19 | — | — | 7:21 | — | — | 7:22 | — | — | 7:22 | — | — | 7:24 | — | — | 7:25 | — | — | 7:27 | — | — | 7:29 | — | — | 7:30 | — | — | 7:30 | — | — | 7:32 | — | — | 7:34 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 6.9° C (Statistics for 11 Mar 1981-2005 – mean: 9.6 max: 11.1 min: 8.1°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest