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 08:22 PM.
Days 1–4 Weather SummaryLight rain (total 5mm), mostly falling on Wed night. Cool air temperatures (max 16°C on Thu afternoon, min 6°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 17mm), heaviest on Fri afternoon. Cool air temperatures (max 17°C on Sat afternoon, min 8°C on Sun night). Wind will be generally light. | Days 8–10 Weather SummaryLight rain (total 6mm), mostly falling on Mon afternoon. Very mild (max 14°C on Thu morning, min 6°C on Mon night). Wind will be generally light. | Days 11–13 Weather SummaryMostly dry. Warm (max 20°C on Sat afternoon, min 5°C on Thu night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Tue 30 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sun 12 | ||||||||||||||||||||||||
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 | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 8:48PM1.87m | 7:24AM2.23m | 9:49PM1.98m | 8:53AM2.14m | 10:42PM2.15m | 10:19AM2.14m | 11:29PM2.35m | 11:33AM2.19m | 00:10AM2.54m | 12:37PM2.24m | 00:49AM2.71m | 1:36PM2.26m | 1:28AM2.82m | 2:31PM2.26m | 2:06AM2.87m | 3:25PM2.23m | 2:44AM2.86m | 4:17PM2.18m | 3:24AM2.78m | 5:08PM2.12m | 6:01PM2.04m | |||||||||||||||
Low Tide | 2:13PM0.03m | 2:18AM0.98m | 3:22PM0.07m | 3:43AM0.88m | 4:29PM0.10m | 5:01AM0.67m | 5:27PM0.12m | 6:08AM0.40m | 6:19PM0.16m | 7:06AM0.11m | 7:07PM0.22m | 7:58AM-0.14m | 7:52PM0.32m | 8:47AM-0.33m | 8:36PM0.43m | 9:35AM-0.43m | 9:20PM0.55m | 10:22AM-0.45m | 10:05PM0.66m | 11:08AM-0.40m | 10:51PM0.75m | 11:54AM-0.29m | 11:39PM0.84m | |||||||||||||
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 |  |  | |  |  |  | | |  |  | | | | | |  | | | | | | | | | | | |  | | | | | | | | |
rain shwrs | some clouds | cloudy | cloudy | rain shwrs | clear | some clouds | some clouds | cloudy | light rain | mod rain | cloudy | cloudy | some clouds | some clouds | some clouds | light rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | clear | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
2.0 | — | — | — | 3 | — | — | — | — | 5 | 8 | — | — | — | — | — | 2.0 | 2.0 | 2.0 | 3 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | |
max°C | 10 | 8 | 10 | 12 | 9 | 12 | 16 | 10 | 13 | 10 | 10 | 13 | 17 | 13 | 12 | 12 | 10 | 10 | 10 | 8 | 11 | 11 | 9 | 11 | 13 | 10 | 14 | 17 | 10 | 14 | 17 | 13 | 19 | 20 | 14 | 18 |
Moonrise | 2:40 | — | 3:14 | — | — | 3:41 | — | — | 4:03 | — | — | 4:22 | — | — | 4:41 | — | — | 5:01 | — | — | 5:23 | — | — | 5:51 | — | — | 6:26 | — | — | 7:11 | — | — | 8:08 | — | — | 9:14 |
Moonset | 11:02 | — | 12:22 | — | — | 1:43 | — | — | — | 3:05 | — | — | 4:26 | — | — | 5:48 | — | — | 7:11 | — | — | 8:35 | — | — | — | 9:59 | — | — | 11:16 | — | — | — | 12:23 | — | — | 1:15 |
 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:45 | — | — | 5:43 |
 | 8:22 | — | — | 8:22 | — | — | 8:24 | — | — | 8:25 | — | — | 8:27 | — | — | 8:28 | — | — | 8:30 | — | — | 8:30 | — | — | 8:31 | — | — | 8:32 | — | — | 8:35 | — | — | 8:36 | — | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.8 °C (Statistics for 30 Apr 1981-2005 – mean: 11.1 max: 12.8 min: 9.9°C) | ||||||||||||||||||||||||||||||||||||
Nearest