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 09:07 PM.
Days 1–4 Weather SummaryModerate rain (total 13mm), heaviest on Sat morning. Cool air temperatures (max 17°C on Thu afternoon, min 8°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Warm air temperatures (max 24°C on Mon afternoon, min 10°C on Sun night). Wind will be generally light. | Days 8–10 Weather SummarySome drizzle, heaviest during Thu night. Warm (max 20°C on Wed afternoon, min 11°C on Tue night). Wind will be generally light. | Days 11–13 Weather SummaryMostly dry. Warm (max 20°C on Sat afternoon, min 9°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 19 | Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Mon 30 | |||||||||||||||||||||||||
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 | 8:35PM2.34m | 8:44AM1.87m | 9:22PM2.47m | 10:07AM1.80m | 10:10PM2.59m | 11:25AM1.81m | 10:58PM2.70m | 12:34PM1.88m | 11:48PM2.78m | 1:36PM1.95m | 00:38AM2.82m | 2:33PM2.02m | 1:30AM2.81m | 3:26PM2.08m | 2:21AM2.76m | 4:16PM2.12m | 3:12AM2.68m | 5:02PM2.15m | 5:46PM2.18m | 6:29PM2.20m | 5:45AM2.20m | |||||||||||||||
Low Tide | 3:26AM0.48m | 3:13PM0.30m | 4:37AM0.27m | 4:10PM0.46m | 5:43AM0.03m | 5:09PM0.60m | 6:44AM-0.19m | 6:09PM0.69m | 7:41AM-0.36m | 7:08PM0.75m | 8:35AM-0.47m | 8:06PM0.78m | 9:26AM-0.51m | 9:03PM0.77m | 10:14AM-0.49m | 9:58PM0.75m | 11:00AM-0.42m | 10:51PM0.72m | 11:44AM-0.32m | 11:44PM0.69m | 12:24PM-0.18m | 00:38AM0.66m | 1:04PM-0.02m | |||||||||||||
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clear | some clouds | cloudy | cloudy | rain shwrs | rain shwrs | light rain | mod rain | light rain | cloudy | cloudy | clear | clear | clear | clear | clear | clear | some clouds | some clouds | clear | clear | some clouds | cloudy | cloudy | light rain | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 1 | 2 | 2 | 7 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 14 | 16 | 17 | 13 | 13 | 15 | 14 | 11 | 12 | 12 | 16 | 20 | 17 | 22 | 24 | 18 | 22 | 23 | 17 | 19 | 20 | 16 | 13 | 15 | 13 | 14 | 16 | 15 | 17 | 20 | 16 | 18 | 20 | 16 | 17 | 18 |
Moonrise | — | 1:28 | — | — | 1:47 | — | — | 2:09 | — | — | 2:37 | — | — | 3:13 | — | — | 4:03 | — | — | 5:07 | — | — | 6:22 | — | — | 7:41 | — | — | 8:59 | — | — | 10:14 | — | — | 11:24 | — |
Moonset | 1:16 | 2:34 | — | — | — | 3:54 | — | — | 5:18 | — | — | 6:44 | — | — | 8:06 | — | — | — | 9:17 | — | — | 10:12 | — | — | 10:53 | — | — | 11:23 | — | — | 11:45 | — | — | — | 12:03 | — |
 | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — |
 | 9:07 | — | — | 9:07 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:09 | — | — | 9:09 | — | — | 9:08 | — | — | 9:08 | — | 9:08 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 17.5 °C (Statistics for 18 Jun 1981-2005 – mean: 13.7 max: 15.5 min: 12.2°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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