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 05:22 AM and sunset is at 09:08 PM.
Days 1–3 Weather SummaryModerate rain (total 13mm), heaviest on Sat morning. Cool air temperatures (max 19°C on Sun afternoon, min 10°C on Fri night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Warm air temperatures (max 22°C on Mon afternoon, min 12°C on Mon night). Wind will be generally light. | Days 7–9 Weather SummaryMostly dry. Warm (max 22°C on Sat afternoon, min 8°C on Fri night). Wind will be generally light. | Days 10–12 Weather SummaryMostly dry. Warm (max 20°C on Sun afternoon, min 9°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 20 | Saturday 21 | Sunday 22 | Monday 23 | Tuesday 24 | Wednesday 25 | Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 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 | 7:10PM2.22m | 6:41AM2.00m | 7:50PM2.24m | |||||||||||||||
Low Tide | 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 | 1:34AM0.62m | 1:43PM0.16m | 2:34AM0.55m | |||||||||||||
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 | |  |  | |  |  |  |  | | | | | |  |  | | | | | | | | | | | | | | | | | | | | | |
light rain | light rain | light rain | mod rain | light rain | some clouds | some clouds | clear | clear | clear | some clouds | some clouds | clear | some clouds | cloudy | cloudy | cloudy | cloudy | cloudy | some clouds | clear | some clouds | clear | clear | clear | clear | some clouds | some clouds | clear | clear | clear | clear | some clouds | cloudy | cloudy | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
2 | 2 | 2 | 6 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 11 | 13 | 12 | 12 | 12 | 12 | 17 | 19 | 16 | 20 | 22 | 18 | 20 | 20 | 15 | 15 | 16 | 15 | 14 | 17 | 16 | 16 | 19 | 14 | 18 | 22 | 16 | 17 | 20 | 14 | 18 | 19 | 16 | 16 | 18 | 16 |
Moonrise | 1:47 | — | — | 2:09 | — | — | 2:37 | — | — | 3:13 | — | — | 4:03 | — | — | 5:07 | — | — | 6:22 | — | — | 7:41 | — | — | 8:59 | — | — | 10:14 | — | — | 11:24 | — | — | 12:31 | — | — |
Moonset | — | 3:54 | — | — | 5:18 | — | — | 6:44 | — | — | 8:06 | — | — | — | 9:17 | — | — | 10:12 | — | — | 10:53 | — | — | 11:23 | — | — | 11:45 | — | — | — | 12:03 | — | — | 12:20 | — | — |
 | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:22 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — | 5:24 | — | — | 5:26 | — | — | 5:26 | — | — |
 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:09 | — | — | 9:09 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 | — | — | 9:08 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 17.6 °C (Statistics for 20 Jun 1981-2005 – mean: 13.9 max: 15.5 min: 12.8°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
Nearest