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 — and sunset is at —.
Days 1–4 Weather SummaryHeavy rain (total 121mm), heaviest during Wed morning. 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 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Sun afternoon. Cool air temperatures (max 18°C on Mon afternoon, min 2°C on Fri night). Wind will be generally light. | Days 8–10 Weather SummaryLight rain (total 4mm), mostly falling on Thu afternoon. Warm (max 20°C on Wed afternoon, min 9°C on Mon night). Wind will be generally light. | Days 11–13 Weather SummaryModerate rain (total 19mm), heaviest on Sat afternoon. Mild temperatures (max 9°C on Thu night, min 2°C on Sat 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 | ||||||||||||||||||||||||||||||||
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 | night | AM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||||||||
High Tide | 8:32PM1.68m | 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 | 1:43AM0.97m | 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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mod rain | heavy rain | heavy rain | heavy rain | mod rain | mod rain | heavy rain | heavy rain | light rain | some clouds | clear | some clouds | some clouds | cloudy | light rain | some clouds | clear | clear | rain shwrs | light rain | some clouds | clear | clear | clear | some clouds | cloudy | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | cloudy | mod rain | rain shwrs | some clouds | rain shwrs | some clouds | some clouds | cloudy | mod rain | mod rain | heavy rain | rain shwrs | rain shwrs | rain shwrs | some clouds | cloudy | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
6 | 19 | 17 | 31 | 8 | 10 | 13 | 14 | 3 | — | — | — | — | — | 4 | — | — | — | 1 | 1 | — | — | — | — | — | — | 2 | 4 | 1 | 2 | 1 | — | 6 | 4 | — | 1 | — | — | — | 7 | 6 | 13 | 8 | 1 | 1 | — | — | |
max°C | 7 | 11 | 11 | 11 | 6 | 5 | 3 | 4 | 5 | 5 | 6 | 9 | 5 | 3 | 4 | 6 | 12 | 18 | 12 | 12 | 18 | 14 | 16 | 20 | 14 | 14 | 15 | 9 | 8 | 9 | 6 | 6 | 7 | 5 | 6 | 8 | 6 | 6 | 9 | 6 | 10 | 11 | 11 | 8 | 9 | 6 | 7 |
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 | — | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 6.9° C (Statistics for 10 Mar 1981-2005 – mean: 9.6 max: 11.1 min: 8.1°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Nearest