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 06:26 AM and sunset is at 08:01 PM.
Days 1–3 Weather SummaryMostly dry. Cool air temperatures (max 18°C on Sat afternoon, min 4°C on Thu morning). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm air temperatures (max 23°C on Mon afternoon, min 9°C on Sun night). Wind will be generally light. | Days 7–9 Weather SummarySome drizzle, heaviest during Fri night. Very mild (max 14°C on Wed afternoon, min 5°C on Thu night). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 2mm), mostly falling on Sun afternoon. Very mild (max 16°C on Mon afternoon, min 7°C on Mon night). Wind will be generally light. | ||||||||||||||||||||||||||||||||||||||||||||
Thursday 16 | Friday 17 | Saturday 18 | Sunday 19 | Monday 20 | Tuesday 21 | Wednesday 22 | Thursday 23 | Friday 24 | Saturday 25 | Sunday 26 | Monday 27 | Tuesday 28 | Wednesday 29 | Thursday 30 | Fri 1 | ||||||||||||||||||||||||||||||||
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 | 2:11PM2.30m | 2:04AM2.70m | 3:02PM2.30m | 2:39AM2.80m | 3:53PM2.25m | 3:15AM2.85m | 4:46PM2.18m | 3:56AM2.84m | 5:41PM2.08m | 6:41PM1.99m | 5:32AM2.60m | 7:47PM1.94m | 6:36AM2.40m | 8:55PM1.96m | 7:55AM2.22m | 10:00PM2.05m | 9:22AM2.11m | 10:56PM2.20m | 10:41AM2.09m | 11:42PM2.35m | 11:47AM2.11m | 00:22AM2.48m | 12:44PM2.14m | 00:58AM2.57m | 1:34PM2.15m | 1:30AM2.61m | 2:21PM2.15m | ||||||||||||||||||||
Low Tide | 8:33AM-0.02m | 8:32PM0.32m | 9:18AM-0.21m | 9:11PM0.41m | 10:02AM-0.34m | 9:51PM0.51m | 10:49AM-0.39m | 10:34PM0.61m | 11:38AM-0.37m | 11:21PM0.71m | 12:31PM-0.28m | 00:15AM0.81m | 1:32PM-0.16m | 1:21AM0.88m | 2:38PM-0.03m | 2:40AM0.89m | 3:48PM0.06m | 4:03AM0.80m | 4:52PM0.11m | 5:19AM0.62m | 5:48PM0.15m | 6:23AM0.40m | 6:35PM0.20m | 7:15AM0.19m | 7:17PM0.27m | 8:02AM0.02m | 7:55PM0.37m | 8:43AM-0.10m | |||||||||||||||||||
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clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | cloudy | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | some clouds | some clouds | cloudy | light rain | cloudy | some clouds | cloudy | cloudy | light rain | light rain | some clouds | clear | some clouds | some clouds | some clouds | some clouds | some clouds | clear | some clouds | rain shwrs | some clouds | clear | clear | some clouds | |
km/h | |||||||||||||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | 1 | 1 | — | — | — | — | — | — | — | — | — | 2 | — | — | — | — | |
max°C | 9 | 11 | 8 | 10 | 13 | 10 | 14 | 18 | 11 | 17 | 21 | 11 | 19 | 23 | 12 | 17 | 18 | 11 | 13 | 14 | 9 | 7 | 8 | 7 | 9 | 10 | 7 | 9 | 11 | 10 | 11 | 11 | 10 | 11 | 16 | 10 | 15 | 17 | 10 | 11 | 13 | 8 | 9 | 10 | 8 | 12 | 15 |
Moonrise | 5:47 | — | — | 6:09 | — | — | 6:35 | — | — | 7:10 | — | — | 7:57 | — | — | 8:58 | — | — | 10:10 | — | — | 11:29 | — | — | 12:48 | — | — | 2:04 | — | — | — | 3:17 | — | — | 4:27 | — | — | 5:36 | — | — | 6:44 | — | — | 7:52 | — | — | — |
Moonset | — | 7:38 | — | — | — | 9:02 | — | — | 10:28 | — | — | 11:52 | — | — | — | 1:06 | — | — | 2:05 | — | — | 2:49 | — | — | 3:21 | — | — | 3:46 | — | — | 4:06 | — | — | 4:23 | — | — | 4:39 | — | — | 4:55 | — | — | 5:13 | — | — | 5:33 | — |
 | 6:26 | — | — | 6:24 | — | — | 6:22 | — | — | 6:20 | — | — | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — |
 | — | 8:01 | — | — | 8:02 | — | — | 8:05 | — | — | 8:06 | — | — | 8:07 | — | — | 8:08 | — | — | 8:09 | — | — | 8:10 | — | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:16 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.9° C (Statistics for 16 Apr 1981-2005 – mean: 10.4 max: 11.8 min: 9.4°C) | |||||||||||||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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