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 08:10 PM.
Days 1–4 Weather SummaryModerate rain (total 15mm), heaviest on Thu morning. Cool air temperatures (max 18°C on Tue afternoon, min 6°C on Tue night). Wind will be generally light. | Days 5–7 Weather SummaryModerate rain (total 19mm), heaviest on Thu night. Cool air temperatures (max 12°C on Sat afternoon, min 8°C on Fri night). Wind will be generally light. | Days 8–10 Weather SummaryHeavy rain (total 20mm), heaviest during Mon night. Very mild (max 12°C on Mon afternoon, min 5°C on Sun night). Wind will be generally light. | Days 11–13 Weather SummaryHeavy rain (total 54mm), heaviest during Thu night. Very mild (max 10°C on Wed night, min 6°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 1 | Thursday 2 | Friday 3 | Sat 4 | |||||||||||||||||||||||||
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 | 2:05AM2.49m | 2:56PM2.13m | 2:30AM2.54m | 3:38PM2.10m | 2:54AM2.58m | 4:20PM2.06m | 3:22AM2.60m | 5:03PM2.00m | 5:49PM1.94m | 6:42PM1.87m | 5:15AM2.49m | 7:43PM1.84m | 6:11AM2.37m | 8:48PM1.87m | 7:24AM2.23m | 9:49PM1.98m | 8:53AM2.14m | 10:42PM2.15m | 10:19AM2.14m | 11:29PM2.35m | 11:33AM2.19m | |||||||||||||||
Low Tide | 8:35PM0.43m | 9:17AM-0.01m | 9:05PM0.52m | 9:51AM-0.09m | 9:35PM0.61m | 10:25AM-0.14m | 10:06PM0.70m | 10:59AM-0.16m | 10:39PM0.78m | 11:36AM-0.15m | 11:17PM0.85m | 12:18PM-0.11m | 00:02AM0.92m | 1:10PM-0.04m | 1:01AM0.97m | 2:13PM0.03m | 2:18AM0.98m | 3:22PM0.07m | 3:43AM0.88m | 4:29PM0.10m | 5:01AM0.67m | 5:27PM0.12m | 6:08AM0.40m | |||||||||||||
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 |  |  |  | | |  |  |  |  | | | | | | | | |  | | | | |  |  | | | | | |  | | | | | | |
cloudy | some clouds | clear | some clouds | cloudy | some clouds | light rain | mod rain | light rain | mod rain | light rain | light rain | some clouds | cloudy | cloudy | light rain | light rain | light rain | rain shwrs | light rain | light rain | rain shwrs | some clouds | rain shwrs | cloudy | rain shwrs | clear | some clouds | light rain | light rain | heavy rain | light rain | light rain | mod rain | light rain | rain shwrs | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | — | — | 2.0 | 9 | 4 | 8 | 2.0 | 3 | — | — | — | 2.0 | 2.0 | 2.0 | 3 | 4 | 1.0 | 9 | — | 2.0 | — | 1.0 | — | — | 2.0 | 3 | 26 | 4 | 3 | 9 | 2.0 | 4 | |
max°C | 12 | 16 | 18 | 9 | 12 | 13 | 10 | 9 | 10 | 10 | 10 | 11 | 10 | 11 | 12 | 9 | 11 | 11 | 8 | 7 | 12 | 8 | 10 | 11 | 9 | 10 | 12 | 10 | 8 | 8 | 8 | 7 | 8 | 7 | 7 | 10 |
Moonrise | 7:15 | — | 8:23 | — | — | — | 9:33 | — | — | 10:45 | — | — | 11:56 | — | — | — | 1:01 | — | — | 1:57 | — | — | 2:40 | — | — | 3:14 | — | — | 3:41 | — | — | 4:03 | — | — | 4:22 | — |
Moonset | 5:43 | 5:58 | — | — | 6:17 | — | — | 6:40 | — | — | 7:10 | — | — | 7:50 | — | — | 8:42 | — | — | 9:47 | — | — | 11:02 | — | — | 12:22 | — | — | 1:43 | — | — | — | 3:05 | — | — | 4:26 |
 | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 | — | — | 5:58 | — | — | 5:56 | — | — | 5:54 | — |
 | 8:10 | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:16 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — | — | 8:22 | — | — | 8:24 | — | — | 8:25 | — | — | 8:27 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.9 °C (Statistics for 22 Apr 1981-2005 – mean: 10.7 max: 12.2 min: 9.5°C) | ||||||||||||||||||||||||||||||||||||
Nearest