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 07:56 AM and sunset is at 04:34 PM.
Days 1–3 Weather SummaryHeavy rain (total 38mm), heaviest during Thu night. Cool air temperatures (max 10°C on Thu morning, min 7°C on Thu afternoon). Winds decreasing (fresh winds from the WSW on Thu morning, light winds from the SW by Sat afternoon). | Days 4–6 Weather SummaryHeavy rain (total 27mm), heaviest during Sun morning. Low air temperatures (max 8°C on Sun afternoon, min 4°C on Mon night). Winds decreasing (fresh winds from the W on Sun afternoon, calm by Mon night). | Days 7–9 Weather SummaryHeavy rain (total 33mm), heaviest during Thu night. Mild temperatures (max 9°C on Fri morning, min 5°C on Wed morning). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 5mm), mostly falling on Sun night. Mild temperatures (max 9°C on Sat morning, min 3°C on Sat night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Thursday 26 | Friday 27 | Saturday 28 | Sunday 29 | Monday 30 | Tuesday 31 | Wednesday 1 | Thursday 2 | Friday 3 | Saturday 4 | Sunday 5 | Monday 6 | |||||||||||||||||||||||||
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 | 10:02AM2.55m | 11:39PM1.92m | 10:41AM2.61m | 00:32AM2.01m | 11:21AM2.66m | 1:19AM2.09m | 12:01PM2.71m | 2:03AM2.16m | 12:42PM2.76m | 2:45AM2.21m | 1:25PM2.79m | 3:21AM2.27m | 2:08PM2.82m | 3:59AM2.32m | 2:54PM2.78m | 4:35AM2.38m | 3:42PM2.68m | 5:13AM2.46m | 4:35PM2.50m | 5:52AM2.53m | 5:37PM2.28m | 6:35AM2.61m | 6:51PM2.05m | |||||||||||||
Low Tide | 5:52PM0.22m | 5:10AM1.00m | 6:37PM0.08m | 6:00AM1.05m | 7:20PM-0.03m | 8:01PM-0.11m | 7:33AM1.06m | 8:40PM-0.16m | 8:18AM1.03m | 9:16PM-0.21m | 9:00AM0.96m | 9:52PM-0.21m | 9:45AM0.90m | 10:29PM-0.16m | 10:33AM0.83m | 11:06PM-0.07m | 11:26AM0.75m | 11:45PM0.07m | 12:25PM0.66m | 00:27AM0.25m | 1:31PM0.56m | 1:15AM0.46m | ||||||||||||||
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rain shwrs | rain shwrs | heavy rain | cloudy | light rain | mod rain | light rain | light rain | light rain | light rain | light rain | rain shwrs | cloudy | light rain | some clouds | cloudy | cloudy | mod rain | light rain | light rain | light rain | light rain | light rain | heavy rain | light rain | rain shwrs | some clouds | some clouds | some clouds | some clouds | cloudy | cloudy | light rain | cloudy | light rain | some clouds | |
km/h | ||||||||||||||||||||||||||||||||||||
3 | 1.0 | 16 | — | 4 | 8 | 3 | 1.0 | 2.0 | 4 | 5 | 10 | — | 1.0 | — | — | — | 7 | 3 | 2.0 | 1.0 | 2.0 | 5 | 17 | 2.0 | 1.0 | — | — | — | — | — | — | 3 | — | 2.0 | — | |
max°C | 10 | 9 | 7 | 9 | 9 | 10 | 10 | 9 | 7 | 7 | 8 | 7 | 8 | 8 | 8 | 6 | 6 | 5 | 6 | 7 | 7 | 7 | 6 | 8 | 9 | 8 | 7 | 9 | 8 | 4 | 7 | 7 | 7 | 9 | 9 | 8 |
Moonrise | 3:59 | — | — | 5:09 | — | — | 6:18 | — | — | 7:24 | — | — | 8:21 | — | — | 9:08 | — | — | 9:44 | — | — | 10:13 | — | — | 10:35 | — | — | 10:55 | — | — | 11:13 | — | — | 11:31 | — | — |
Moonset | 1:16 | — | — | 1:43 | — | — | 2:19 | — | — | — | 3:07 | — | — | 4:07 | — | — | 5:19 | — | — | 6:36 | — | — | 7:56 | — | — | — | 9:14 | — | — | 10:32 | — | — | 11:50 | — | — | — |
 | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — | 7:56 | — | — |
 | — | 4:34 | — | — | 4:35 | — | — | 4:36 | — | — | 4:37 | — | — | 4:37 | — | — | 4:37 | — | — | 4:38 | — | — | 4:39 | — | — | 4:40 | — | — | 4:42 | — | — | 4:43 | — | — | 4:44 | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 7.4 °C (Statistics for 26 Dec 1981-2005 – mean: 9.6 max: 11.2 min: 7.8°C) | ||||||||||||||||||||||||||||||||||||
Nearest