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 07:54 AM and sunset is at 04:32 PM.
Days 1–3 Weather SummaryModerate rain (total 12mm), heaviest on Fri morning. Low air temperatures (max 9°C on Thu morning, min 4°C on Thu night). Wind will be generally light. | Days 4–6 Weather SummaryMostly dry. Low air temperatures (max 9°C on Tue morning, min 2°C on Sun night). Wind will be generally light. | Days 7–9 Weather SummaryLight rain (total 9mm), mostly falling on Fri morning. Very mild (max 11°C on Thu morning, min 4°C on Fri night). Wind will be generally light. | Days 10–12 Weather SummaryHeavy rain (total 53mm), heaviest during Mon morning. Mild temperatures (max 9°C on Mon morning, min 5°C on Sat morning). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wednesday 31 | Thursday 1 | Friday 2 | Saturday 3 | Sunday 4 | Monday 5 | |||||||||||||||||||||||||
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 | night | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  | ||||||||||||||||||||||||
High Tide | 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 | 2:45PM2.85m | 4:19AM2.49m | |||||||||||||
Low Tide | 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 | 10:19PM-0.25m | ||||||||||||||
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 |  |  | | |  |  | | | | | | | | | |  |  | | | | | |  | | | | | | | | |  |  | | | |
light rain | rain shwrs | some clouds | light rain | light rain | rain shwrs | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | some clouds | cloudy | cloudy | cloudy | cloudy | light rain | light rain | light rain | light rain | light rain | light rain | light rain | light rain | rain shwrs | mod rain | heavy rain | heavy rain | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
2 | 1 | — | 5 | 2 | 2 | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | — | 1 | 2 | 3 | 3 | 5 | 3 | 4 | 2 | 1 | 6 | 15 | 11 | 5 | |
max°C | 9 | 8 | 5 | 6 | 6 | 6 | 7 | 7 | 6 | 7 | 6 | 3 | 6 | 6 | 4 | 9 | 8 | 6 | 10 | 9 | 5 | 11 | 9 | 8 | 7 | 7 | 7 | 7 | 8 | 6 | 8 | 7 | 8 | 9 | 9 | 9 |
Moonrise | 11:16 | — | — | 11:33 | — | — | 11:50 | — | — | 12:09 | — | — | 12:32 | — | — | 1:00 | — | — | 1:39 | — | — | 2:32 | — | — | — | 3:41 | — | — | 5:01 | — | — | 6:25 | — | — | 7:46 | — |
Moonset | — | — | 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 | — | — |
 | — | 4:32 | — | — | 4:34 | — | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — | 4:43 | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 10.5° C (Statistics for 25 Dec 1981-2005 – mean: 9.6 max: 11.2 min: 8.2°C) | ||||||||||||||||||||||||||||||||||||
Forecast update inUpdates in hr min sUpdate imminent
Nearest