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 SummaryMostly dry. Warm air temperatures (max 21°C on Fri afternoon, min 8°C on Thu morning). Wind will be generally light. | Days 5–7 Weather SummaryLight rain (total 4mm), mostly falling on Tue afternoon. Warm air temperatures (max 20°C on Sun afternoon, min 12°C on Sun morning). Wind will be generally light. | Days 8–10 Weather SummaryModerate rain (total 19mm), heaviest on Wed night. Very mild (max 15°C on Wed afternoon, min 8°C on Thu morning). Wind will be generally light. | Days 11–13 Weather SummaryLight rain (total 8mm), mostly falling on Mon morning. Very mild (max 18°C on Sun afternoon, min 7°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 10 | Friday 11 | Saturday 12 | Sunday 13 | Monday 14 | Tuesday 15 | Wednesday 16 | Thursday 17 | Friday 18 | Saturday 19 | Sunday 20 | Mon 21 | |||||||||||||||||||||||||
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 | 5:58PM2.26m | 8:49AM1.65m | 7:02PM2.15m | 10:01AM1.73m | 8:30PM2.08m | 10:58AM1.89m | 10:02PM2.11m | 11:45AM2.09m | 11:17PM2.22m | 12:25PM2.30m | 00:21AM2.33m | 1:02PM2.50m | 1:19AM2.40m | 1:38PM2.68m | 2:13AM2.42m | 2:14PM2.81m | 3:06AM2.38m | 2:50PM2.88m | 3:59AM2.30m | 3:28PM2.87m | 4:53AM2.18m | 4:07PM2.80m | 5:49AM2.06m | 4:50PM2.65m | ||||||||||||
Low Tide | 2:02AM0.12m | 1:50PM1.01m | 3:22AM0.14m | 3:24PM0.99m | 4:37AM0.10m | 4:49PM0.85m | 5:39AM0.03m | 5:58PM0.61m | 6:30AM-0.02m | 6:55PM0.33m | 7:16AM-0.02m | 7:47PM0.05m | 7:58AM0.03m | 8:36PM-0.19m | 8:39AM0.13m | 9:24PM-0.37m | 9:20AM0.26m | 10:11PM-0.46m | 10:02AM0.41m | 10:59PM-0.47m | 10:45AM0.56m | 11:48PM-0.38m | 11:32AM0.70m | |||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
 |  | |  |  |  | | | | | | | | |  |  | | |  |  | | |  |  | | | | | | | | | | | | | |
clear | clear | clear | some clouds | cloudy | some clouds | some clouds | clear | clear | clear | clear | some clouds | clear | some clouds | light rain | cloudy | cloudy | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | mod rain | risk tstorm | clear | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | some clouds | some clouds | rain shwrs | mod rain | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | 1.0 | — | — | 3 | 1.0 | 2.0 | 1.0 | 7 | 6 | 2.0 | — | — | — | — | — | — | — | — | — | 2.0 | 6 | — | |
max°C | 12 | 13 | 18 | 12 | 15 | 21 | 15 | 18 | 21 | 15 | 18 | 20 | 14 | 16 | 15 | 14 | 15 | 14 | 12 | 13 | 15 | 10 | 11 | 12 | 8 | 12 | 13 | 11 | 10 | 14 | 10 | 14 | 18 | 13 | 14 | 16 |
Moonrise | 2:46 | — | 3:33 | — | — | 4:10 | — | — | 4:39 | — | — | 5:02 | — | — | 5:23 | — | — | 5:42 | — | — | 6:02 | — | — | 6:24 | — | — | 6:51 | — | — | 7:25 | — | — | 8:09 | — | — | 9:05 |
Moonset | 10:27 | — | — | 11:38 | — | — | — | 12:56 | — | — | 2:17 | — | — | 3:40 | — | — | 5:04 | — | — | 6:28 | — | — | 7:54 | — | — | 9:22 | — | — | 10:49 | — | — | 12:11 | — | — | 1:22 | — |
 | — | 7:24 | — | — | 7:26 | — | — | 7:28 | — | — | 7:28 | — | — | 7:30 | — | — | 7:31 | — | — | 7:33 | — | — | 7:35 | — | — | 7:35 | — | — | 7:37 | — | — | 7:39 | — | — | 7:39 | — |
 | — | — | 6:36 | — | — | 6:34 | — | — | 6:31 | — | — | 6:30 | — | — | 6:28 | — | — | 6:25 | — | — | 6:24 | — | — | 6:22 | — | — | 6:21 | — | — | 6:19 | — | — | 6:17 | — | — | 6:15 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 17.1 °C (Statistics for 09 Oct 1981-2005 – mean: 13.1 max: 14.6 min: 11.5°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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