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 08:07 PM.
Days 1–4 Weather SummaryLight rain (total 4mm), mostly falling on Sat afternoon. Cool air temperatures (max 17°C on Sat morning, min 3°C on Sun night). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 9mm), mostly falling on Thu afternoon. Cool air temperatures (max 14°C on Tue morning, min 7°C on Wed night). Wind will be generally light. | Days 8–10 Weather SummaryLight rain (total 9mm), mostly falling on Thu night. Very mild (max 14°C on Fri afternoon, min 7°C on Thu night). Wind will be generally light. | Days 11–13 Weather SummaryLight rain (total 6mm), mostly falling on Tue night. Very mild (max 14°C on Mon afternoon, min 8°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wed 1 | |||||||||||||||||||||||||
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 | 00:41AM2.27m | 12:45PM2.10m | 1:12AM2.36m | 1:31PM2.13m | 1:40AM2.44m | 2:14PM2.14m | 2:05AM2.49m | 2:56PM2.13m | 2:30AM2.54m | 3:38PM2.10m | 2:54AM2.58m | 4:20PM2.06m | 3:22AM2.60m | 5:03PM2.00m | 5:49PM1.94m | 6:42PM1.87m | 5:15AM2.49m | 7:43PM1.84m | 6:11AM2.37m | 8:48PM1.87m | 7:24AM2.23m | |||||||||||||||
Low Tide | 6:55PM0.25m | 7:22AM0.42m | 7:31PM0.28m | 8:03AM0.25m | 8:04PM0.34m | 8:42AM0.11m | 8:35PM0.43m | 9:17AM-0.01m | 9:05PM0.52m | 9:51AM-0.09m | 9:35PM0.61m | 10:25AM-0.14m | 10:06PM0.70m | 10:59AM-0.16m | 10:39PM0.78m | 11:36AM-0.15m | 11:17PM0.85m | 12:18PM-0.11m | 00:02AM0.92m | 1:10PM-0.04m | 1:01AM0.97m | 2:13PM0.03m | 2:18AM0.98m | 3:22PM0.07m | ||||||||||||
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 | |  |  | | |  | |  |  |  | | | | | |  |  |  | | | | | |  | | | | | | | | | | | | |
clear | clear | rain shwrs | rain shwrs | rain shwrs | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | cloudy | light rain | mod rain | mod rain | clear | clear | cloudy | rain shwrs | some clouds | some clouds | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | rain shwrs | rain shwrs | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 1.0 | 2.0 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | 1.0 | 8 | 8 | — | — | — | 1.0 | — | — | — | — | — | — | — | — | — | 2.0 | 4 | — | — | |
max°C | 14 | 17 | 13 | 9 | 10 | 12 | 8 | 12 | 17 | 12 | 14 | 14 | 9 | 11 | 12 | 10 | 8 | 9 | 7 | 13 | 14 | 9 | 12 | 13 | 10 | 10 | 12 | 10 | 11 | 14 | 11 | 12 | 13 | 11 | 11 | 12 |
Moonrise | 4:00 | — | 5:05 | — | — | 6:09 | — | — | 7:15 | — | — | 8:23 | — | — | — | 9:33 | — | — | 10:45 | — | — | 11:56 | — | — | — | 1:01 | — | — | 1:57 | — | — | 2:40 | — | — | 3:14 | — |
Moonset | 4:58 | 5:14 | — | — | 5:28 | — | — | 5:42 | — | — | 5:58 | — | — | 6:17 | — | — | 6:40 | — | — | 7:10 | — | — | 7:50 | — | — | 8:42 | — | — | 9:47 | — | — | 11:02 | — | — | 12:22 | — |
 | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 | — |
 | 8:07 | — | 8:08 | — | — | 8:09 | — | — | 8:10 | — | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:16 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — | — | 8:22 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.6 °C (Statistics for 19 Apr 1981-2005 – mean: 10.5 max: 11.8 min: 9.4°C) | ||||||||||||||||||||||||||||||||||||
Nearest