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 —.
Days 1–4 Weather SummaryHeavy rain (total 22mm), heaviest during Wed morning. Cool air temperatures (max 17°C on Fri afternoon, min 6°C on Fri morning). Winds decreasing (fresh winds from the SW on Wed morning, calm by Thu night). | Days 5–7 Weather SummaryMostly dry. Warm air temperatures (max 20°C on Sun afternoon, min 7°C on Fri night). Wind will be generally light. | Days 8–10 Weather SummaryHeavy rain (total 24mm), heaviest during Thu morning. Very mild (max 17°C on Tue afternoon, min 8°C on Thu morning). Wind will be generally light. | Days 11–13 Weather SummaryLight rain (total 3mm), mostly falling on Thu night. Very mild (max 14°C on Sat afternoon, min 4°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Wednesday 27 | Thursday 28 | Friday 29 | Saturday 30 | Sunday 1 | Monday 2 | Tuesday 3 | Wednesday 4 | Thursday 5 | Friday 6 | Saturday 7 | Sun 8 | |||||||||||||||||||||||||
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 | 00:16AM2.41m | 1:24PM2.29m | 1:15AM2.49m | 2:02PM2.46m | 2:09AM2.51m | 2:39PM2.59m | 3:01AM2.46m | 3:14PM2.68m | 3:52AM2.36m | 3:49PM2.70m | 4:43AM2.22m | 4:23PM2.65m | 5:36AM2.06m | 4:59PM2.55m | 6:33AM1.90m | 5:38PM2.40m | 7:37AM1.78m | 6:24PM2.22m | 8:48AM1.73m | 7:25PM2.04m | 10:00AM1.76m | 8:45PM1.93m | 11:01AM1.85m | |||||||||||||
Low Tide | 6:52PM0.50m | 7:35AM-0.23m | 7:47PM0.25m | 8:18AM-0.23m | 8:38PM0.02m | 8:59AM-0.16m | 9:27PM-0.16m | 9:38AM-0.03m | 10:14PM-0.27m | 10:16AM0.12m | 11:01PM-0.32m | 10:55AM0.30m | 11:47PM-0.29m | 11:34AM0.49m | 00:36AM-0.19m | 12:18PM0.67m | 1:29AM-0.06m | 1:10PM0.82m | 2:32AM0.06m | 2:16PM0.93m | 3:42AM0.15m | 3:36PM0.95m | 4:51AM0.16m | 4:53PM0.87m | ||||||||||||
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mod rain | heavy rain | rain shwrs | some clouds | rain shwrs | rain shwrs | clear | clear | clear | clear | clear | clear | clear | clear | clear | clear | cloudy | cloudy | some clouds | some clouds | some clouds | rain shwrs | cloudy | some clouds | rain shwrs | heavy rain | light rain | rain shwrs | cloudy | rain shwrs | clear | some clouds | clear | some clouds | cloudy | cloudy | |
km/h | ||||||||||||||||||||||||||||||||||||
8 | 11 | 1.0 | — | 1.0 | 1.0 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | — | — | 5 | 12 | 3 | 1.0 | — | 2.0 | — | — | — | — | — | — | |
max°C | 15 | 14 | 15 | 12 | 14 | 15 | 11 | 13 | 17 | 10 | 15 | 17 | 10 | 15 | 20 | 12 | 13 | 14 | 14 | 14 | 17 | 14 | 12 | 14 | 10 | 9 | 11 | 9 | 9 | 12 | 7 | 10 | 14 | 8 | 12 | 13 |
Moonrise | 6:16 | — | 6:38 | — | — | 6:58 | — | — | 7:18 | — | — | 7:38 | — | — | 8:01 | — | — | 8:29 | — | — | — | 9:04 | — | — | 9:47 | — | — | 10:40 | — | — | 11:41 | — | — | — | 12:47 | — |
Moonset | — | 4:36 | — | — | 6:01 | — | — | 7:24 | — | — | 8:46 | — | — | 10:07 | — | — | 11:28 | — | — | 12:45 | — | — | 1:55 | — | — | 2:54 | — | — | — | 3:42 | — | — | 4:19 | — | — | 4:48 |
 | — | 7:07 | — | — | 7:07 | — | — | 7:09 | — | — | 7:09 | — | — | 7:11 | — | — | 7:13 | — | — | 7:13 | — | — | 7:16 | — | — | 7:16 | — | — | 7:18 | — | — | 7:20 | — | — | 7:20 | — |
 | — | — | 7:01 | — | — | 7:00 | — | — | 6:58 | — | — | 6:55 | — | — | 6:54 | — | — | 6:52 | — | — | 6:51 | — | — | 6:49 | — | — | 6:46 | — | — | 6:45 | — | — | 6:43 | — | — | 6:40 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 18.2 °C (Statistics for 26 Sep 1981-2005 – mean: 14.0 max: 16.2 min: 12.4°C) | ||||||||||||||||||||||||||||||||||||
Nearest