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 04:31 PM.
Days 1–4 Weather SummaryModerate rain (total 14mm), heaviest on Thu morning. Low air temperatures (max 8°C on Wed afternoon, min 5°C on Wed night). Wind will be generally light. | Days 5–7 Weather SummaryMostly dry. Low air temperatures (max 7°C on Sat afternoon, min 2°C on Sun night). Wind will be generally light. | Days 8–10 Weather SummaryLight rain (total 4mm), mostly falling on Fri morning. Very mild (max 12°C on Thu morning, min 4°C on Tue night). Wind will be generally light. | Days 11–13 Weather SummaryHeavy rain (total 30mm), heaviest during Fri night. Mild temperatures (max 9°C on Mon afternoon, min 5°C on Fri night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Wed 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Mon 5 | ||||||||||||||||||||||||
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 | 3:55PM2.51m | 5:39AM2.33m | 4:46PM2.36m | 6:17AM2.40m | 5:48PM2.17m | 6:58AM2.50m | 7:05PM2.00m | 7:44AM2.61m | 8:31PM1.89m | 8:33AM2.72m | 9:54PM1.90m | 9:24AM2.83m | 11:08PM1.97m | 10:18AM2.93m | 00:15AM2.08m | 11:12AM2.96m | 1:12AM2.19m | 12:07PM3.00m | 2:04AM2.30m | 1:01PM3.00m | 2:52AM2.38m | 1:54PM2.95m | 3:36AM2.44m | |||||||||||||
Low Tide | 11:23PM0.05m | 11:45AM0.90m | 00:01AM0.16m | 12:44PM0.81m | 00:43AM0.30m | 1:50PM0.68m | 1:32AM0.48m | 3:02PM0.49m | 2:28AM0.65m | 4:12PM0.27m | 3:30AM0.80m | 5:16PM0.04m | 4:35AM0.91m | 6:17PM-0.15m | 5:41AM0.98m | 7:12PM-0.29m | 8:03PM-0.37m | 7:42AM0.91m | 8:52PM-0.39m | 8:37AM0.85m | 9:37PM-0.35m | 9:31AM0.78m | ||||||||||||||
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 |  |  |  |  |  | |  |  | | | | | | | | | | | | |  | | | | | | | | | | | | |  | | |
some clouds | cloudy | mod rain | rain shwrs | some clouds | light rain | light rain | rain shwrs | cloudy | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | some clouds | clear | some clouds | cloudy | cloudy | cloudy | light rain | light rain | rain shwrs | light rain | light rain | cloudy | cloudy | some clouds | mod rain | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | 6 | 1 | — | 5 | 1 | 1 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 4 | 4 | 10 | 3 | 2 | — | — | — | 7 | 3 | |
max°C | 8 | 5 | 7 | 8 | 6 | 7 | 6 | 6 | 7 | 7 | 6 | 6 | 7 | 3 | 7 | 7 | 3 | 7 | 7 | 5 | 9 | 8 | 6 | 12 | 9 | 8 | 10 | 8 | 7 | 8 | 8 | 6 | 8 | 8 | 6 | 8 |
Moonrise | — | — | 11:16 | — | — | 11:33 | — | — | 11:50 | — | — | 12:09 | — | — | 12:32 | — | — | 1:00 | — | — | 1:39 | — | — | 2:32 | — | — | — | 3:41 | — | — | 5:01 | — | — | 6:25 | — | — |
Moonset | — | 9:27 | — | — | 10:39 | — | — | 11:52 | — | — | — | 1:07 | — | — | 2:26 | — | — | 3:50 | — | — | 5:15 | — | — | 6:36 | — | — | 7:46 | — | — | 8:40 | — | — | 9:20 | — | — | 9:49 |
 | — | — | 7:54 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 |
 | 4:31 | — | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 10.7° C (Statistics for 24 Dec 1981-2005 – mean: 9.6 max: 11.2 min: 8.2°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
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