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 08:07 PM.
Days 1–4 Weather SummaryLight rain (total 2mm), 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 5–7 Weather SummaryModerate rain (total 13mm), heaviest on Thu morning. Cool air temperatures (max 18°C on Mon afternoon, min 7°C on Tue night). Wind will be generally light. | Days 8–10 Weather SummaryHeavy rain (total 31mm), heaviest during Sat night. Very mild (max 13°C on Fri afternoon, min 5°C on Thu afternoon). Wind will be generally light. | Days 11–13 Weather SummaryHeavy rain (total 34mm), heaviest during Sun afternoon. Very mild (max 16°C on Wed afternoon, min 7°C on Sun night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Fri 19 | Saturday 20 | Sunday 21 | Monday 22 | Tuesday 23 | Wednesday 24 | Thursday 25 | Friday 26 | Saturday 27 | Sunday 28 | Monday 29 | Tuesday 30 | Wed 1 | ||||||||||||||||||||||||
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 | 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 | 7:24AM2.23m | ||||||||||||||
Low Tide | 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 | some clouds | rain shwrs | rain shwrs | some clouds | clear | clear | some clouds | some clouds | cloudy | cloudy | some clouds | some clouds | light rain | rain shwrs | light rain | mod rain | light rain | rain shwrs | cloudy | clear | some clouds | cloudy | light rain | heavy rain | heavy rain | heavy rain | heavy rain | light rain | rain shwrs | rain shwrs | some clouds | some clouds | some clouds | clear | |
km/h | ||||||||||||||||||||||||||||||||||||
— | — | — | 1.0 | 1.0 | — | — | — | — | — | — | — | — | — | 2.0 | 1.0 | 4 | 6 | 4 | 2.0 | — | — | — | — | 1.0 | 13 | 11 | 16 | 11 | 3 | 3 | 1.0 | — | — | — | — | |
max°C | 19 | 14 | 17 | 12 | 8 | 10 | 12 | 8 | 12 | 18 | 12 | 14 | 14 | 9 | 9 | 10 | 9 | 7 | 6 | 7 | 11 | 13 | 9 | 11 | 10 | 9 | 10 | 9 | 8 | 9 | 11 | 10 | 12 | 14 | 10 | 13 |
Moonrise | 4:00 | — | — | 5:05 | — | — | 6:09 | — | — | 7:15 | — | — | 8:23 | — | — | — | 9:33 | — | — | 10:45 | — | — | 11:56 | — | — | — | 1:01 | — | — | 1:57 | — | — | 2:40 | — | — | 3:14 |
Moonset | 4:58 | — | 5:14 | — | — | 5:28 | — | — | 5:42 | — | — | 5:58 | — | — | 6:17 | — | — | 6:40 | — | — | 7:10 | — | — | 7:50 | — | — | 8:42 | — | — | 9:47 | — | — | 11:02 | — | — | 12:22 |
 | — | — | 6:16 | — | — | 6:16 | — | — | 6:13 | — | — | 6:11 | — | — | 6:11 | — | — | 6:09 | — | — | 6:07 | — | — | 6:05 | — | — | 6:03 | — | — | 6:01 | — | — | 6:01 | — | — | 5:58 |
 | 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