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 08:24 PM.
Days 1–4 Weather SummaryHeavy rain (total 50mm), heaviest during Sat morning. Cool air temperatures (max 15°C on Fri morning, min 6°C on Thu night). Wind will be generally light. | Days 5–7 Weather SummaryHeavy rain (total 23mm), heaviest during Sun night. Cool air temperatures (max 12°C on Tue afternoon, min 6°C on Mon night). Wind will be generally light. | Days 8–10 Weather SummaryMostly dry. Warm (max 26°C on Fri afternoon, min 6°C on Wed night). Wind will be generally light. | Days 11–13 Weather SummaryModerate rain (total 15mm), heaviest on Mon night. Very mild (max 13°C on Tue afternoon, min 5°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | Tuesday 7 | Wednesday 8 | Thursday 9 | Friday 10 | Saturday 11 | Sunday 12 | Monday 13 | Tue 14 | |||||||||||||||||||||||||
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 | 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 | 6:55PM1.98m | 5:35AM2.31m | 7:51PM1.95m | 6:32AM2.12m | |||||||||||||||
Low Tide | 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 | 12:43PM-0.14m | 00:33AM0.90m | 1:34PM0.01m | 1:34AM0.94m | 2:29PM0.14m | |||||||||||||
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 |  |  |  |  | |  | | | |  | |  | |  |  | | |  | | | | | | | | | | | | | | |  | | | |
clear | cloudy | light rain | heavy rain | heavy rain | light rain | mod rain | light rain | light rain | mod rain | rain shwrs | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | cloudy | some clouds | clear | clear | clear | clear | clear | clear | clear | clear | clear | some clouds | some clouds | some clouds | rain shwrs | rain shwrs | rain shwrs | light rain | cloudy | rain shwrs | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 3 | 18 | 14 | 4 | 6 | 1.0 | 4 | 10 | 3 | 4 | 4 | 2.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 2.0 | 3 | 3 | 5 | — | 1.0 | |
max°C | 11 | 15 | 12 | 10 | 7 | 8 | 9 | 10 | 10 | 9 | 10 | 10 | 8 | 10 | 12 | 9 | 9 | 12 | 10 | 16 | 23 | 18 | 22 | 26 | 19 | 16 | 16 | 10 | 11 | 12 | 9 | 9 | 10 | 9 | 10 | 13 |
Moonrise | — | 4:03 | — | — | 4:22 | — | — | 4:41 | — | — | 5:01 | — | — | 5:23 | — | — | 5:51 | — | — | 6:26 | — | — | 7:11 | — | — | 8:08 | — | — | 9:14 | — | — | 10:24 | — | — | 11:34 | — |
Moonset | 1:43 | — | 3:05 | — | — | 4:26 | — | — | 5:48 | — | — | 7:11 | — | — | 8:35 | — | — | — | 9:59 | — | — | 11:16 | — | — | — | 12:23 | — | — | 1:15 | — | — | 1:54 | — | — | 2:23 | — |
 | — | 5:56 | — | — | 5:54 | — | — | 5:52 | — | — | 5:52 | — | — | 5:50 | — | — | 5:48 | — | — | 5:48 | — | — | 5:47 | — | — | 5:45 | — | — | 5:43 | — | — | 5:43 | — | — | 5:41 | — |
 | 8:24 | — | 8:25 | — | — | 8:27 | — | — | 8:28 | — | — | 8:30 | — | — | 8:30 | — | — | 8:31 | — | — | 8:32 | — | — | 8:35 | — | — | 8:36 | — | — | 8:37 | — | — | 8:37 | — | — | 8:39 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.8 °C (Statistics for 02 May 1981-2005 – mean: 11.3 max: 12.8 min: 9.9°C) | ||||||||||||||||||||||||||||||||||||
Nearest