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 06:18 AM and sunset is at 08:07 PM.
Days 1–3 Weather SummaryLight rain (total 6mm), mostly falling on Sat afternoon. Cool air temperatures (max 19°C on Fri afternoon, min 3°C on Sun night). Wind will be generally light. | Days 4–6 Weather SummaryLight rain (total 3mm), mostly falling on Tue night. Cool air temperatures (max 17°C on Mon afternoon, min 4°C on Mon morning). Wind will be generally light. | Days 7–9 Weather SummaryHeavy rain (total 22mm), heaviest during Thu afternoon. Very mild (max 13°C on Fri afternoon, min 7°C on Thu morning). Wind will be generally light. | Days 10–12 Weather SummaryLight rain (total 4mm), mostly falling on Sun morning. Very mild (max 13°C on Tue afternoon, min 4°C on Tue night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Friday 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | |||||||||||||||||||||||||
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 | 11:54AM2.04m | 00:41AM2.27m | 12:45PM2.10m | 1:12AM2.36m | 1:31PM2.13m | 1:40AM2.44m | 2:14PM2.14m | 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 | |||||||||||||||
Low Tide | 6:34AM0.60m | 6:55PM0.25m | 7:22AM0.42m | 7:31PM0.28m | 8:03AM0.25m | 8:04PM0.34m | 8:42AM0.11m | 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 | ||||||||||||
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 | |  |  |  |  | | | | | |  |  | | | | |  |  |  |  | | | | | | | | | | | | | | | | |
clear | clear | clear | some clouds | rain shwrs | rain shwrs | rain shwrs | clear | clear | some clouds | some clouds | cloudy | cloudy | cloudy | rain shwrs | some clouds | rain shwrs | some clouds | light rain | mod rain | light rain | cloudy | some clouds | light rain | light rain | light rain | light rain | rain shwrs | some clouds | rain shwrs | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | — | 1.0 | 3 | 2.0 | — | — | — | — | — | — | — | 2.0 | — | 1.0 | — | 4 | 6 | 3 | — | — | 1.0 | 2.0 | 2.0 | 4 | 1.0 | — | 1.0 | 1.0 | 1.0 | — | — | — | — | |
max°C | 15 | 19 | 14 | 16 | 11 | 8 | 10 | 12 | 8 | 12 | 17 | 12 | 14 | 14 | 10 | 11 | 12 | 10 | 7 | 7 | 8 | 10 | 13 | 11 | 10 | 11 | 10 | 9 | 10 | 8 | 9 | 11 | 9 | 12 | 13 | 9 |
Moonrise | — | 4:00 | — | — | 5:05 | — | — | 6:09 | — | — | 7:15 | — | — | 8:23 | — | — | — | 9:33 | — | — | 10:45 | — | — | 11:56 | — | — | — | 1:01 | — | — | 1:57 | — | — | 2:40 | — | — |
Moonset | 4:59 | — | — | 5:14 | — | — | 5:28 | — | — | 5:42 | — | — | 5:58 | — | — | 6:17 | — | — | 6:40 | — | — | 7:10 | — | — | 7:50 | — | — | 8:42 | — | — | 9:47 | — | — | 11:02 | — | — |
 | 6:18 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — |
 | — | 8:07 | — | — | 8:08 | — | — | 8:09 | — | — | 8:10 | — | — | 8:13 | — | — | 8:14 | — | — | 8:15 | — | — | 8:16 | — | — | 8:17 | — | — | 8:19 | — | — | 8:21 | — | — | 8:22 | — |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.4 °C (Statistics for 19 Apr 1981-2005 – mean: 10.5 max: 11.8 min: 9.4°C) | ||||||||||||||||||||||||||||||||||||
Nearest