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 —.
Days 1–4 Weather SummaryHeavy rain (total 126mm), heaviest during Mon afternoon. Cool air temperatures (max 13°C on Sun morning, min 7°C on Tue morning). Winds decreasing (fresh winds from the SW on Mon morning, calm by Mon night). | Days 5–7 Weather SummaryHeavy rain (total 44mm), heaviest during Tue night. Cool air temperatures (max 15°C on Fri morning, min 9°C on Wed morning). Wind will be generally light. | Days 8–10 Weather SummaryMostly dry. Very mild (max 13°C on Sat morning, min 7°C on Sat night). Wind will be generally light. | Days 11–13 Weather SummaryHeavy rain (total 44mm), heaviest during Wed morning. Very mild (max 11°C on Tue afternoon, min 7°C on Wed night). Wind will be generally light. | |||||||||||||||||||||||||||||||||
Sunday 7 | Monday 8 | Tuesday 9 | Wednesday 10 | Thursday 11 | Friday 12 | Saturday 13 | Sunday 14 | Monday 15 | Tuesday 16 | Wednesday 17 | Thu 18 | |||||||||||||||||||||||||
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 | PM | |
Wave Height Map |  |  |  |  |  |  |  |  |  |  |  |  |  | |||||||||||||||||||||||
High Tide | 3:54AM2.29m | 2:48PM2.90m | 4:45AM2.29m | 3:40PM2.73m | 5:36AM2.30m | 4:37PM2.51m | 6:27AM2.32m | 5:40PM2.28m | 7:18AM2.36m | 6:52PM2.06m | 8:07AM2.42m | 8:10PM1.92m | 8:53AM2.49m | 9:25PM1.87m | 9:36AM2.55m | 10:33PM1.90m | 10:16AM2.60m | 11:32PM1.97m | 10:53AM2.64m | 00:24AM2.05m | 11:28AM2.66m | 1:12AM2.11m | 12:03PM2.67m | |||||||||||||
Low Tide | 9:49PM-0.42m | 9:34AM0.88m | 10:38PM-0.32m | 10:30AM0.89m | 11:27PM-0.17m | 11:30AM0.89m | 00:16AM0.00m | 12:35PM0.87m | 1:05AM0.19m | 1:44PM0.81m | 1:55AM0.36m | 2:55PM0.70m | 2:47AM0.53m | 4:03PM0.53m | 3:39AM0.67m | 5:01PM0.35m | 4:29AM0.79m | 5:52PM0.18m | 5:17AM0.88m | 6:37PM0.05m | 6:04AM0.95m | 7:18PM-0.04m | ||||||||||||||
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heavy rain | light rain | rain shwrs | rain shwrs | heavy rain | heavy rain | heavy rain | light rain | light rain | heavy rain | mod rain | light rain | mod rain | light rain | mod rain | light rain | some clouds | some clouds | clear | clear | clear | clear | clear | clear | some clouds | cloudy | cloudy | light rain | cloudy | light rain | rain shwrs | heavy rain | heavy rain | mod rain | light rain | light rain | |
km/h | ||||||||||||||||||||||||||||||||||||
14 | 2 | 2 | 9 | 31 | 34 | 28 | 5 | 1 | 16 | 7 | 2 | 8 | 2 | 6 | 3 | — | — | — | — | — | — | — | — | — | — | — | 1 | — | 5 | 1 | 11 | 11 | 9 | 2 | 3 | |
max°C | 11 | 13 | 12 | 11 | 13 | 13 | 13 | 7 | 11 | 13 | 10 | 9 | 13 | 13 | 13 | 13 | 15 | 13 | 12 | 13 | 12 | 9 | 13 | 12 | 8 | 11 | 10 | 10 | 10 | 11 | 11 | 11 | 9 | 9 | 9 | 8 |
Moonrise | — | — | 7:33 | — | — | 8:54 | — | — | — | 10:10 | — | — | 11:22 | — | — | — | 12:31 | — | — | 1:38 | — | — | 2:44 | — | — | 3:50 | — | — | 4:57 | — | — | 6:04 | — | — | 7:08 | — |
Moonset | — | 10:52 | — | — | 11:25 | — | — | 11:50 | — | — | 12:09 | — | — | 12:26 | — | — | 12:42 | — | — | 12:57 | — | — | 1:14 | — | — | 1:33 | — | — | 1:56 | — | — | 2:26 | — | — | — | 3:03 |
 | — | 7:43 | — | — | 7:43 | — | — | 7:45 | — | — | 7:46 | — | — | 7:47 | — | — | 7:47 | — | — | 7:48 | — | — | 7:48 | — | — | 7:50 | — | — | 7:50 | — | — | 7:50 | — | — | 7:52 | — |
 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:28 | — | — | 4:29 | — | — | 4:29 | — | — | 4:29 |
Today's sea temperature in Knappa, Knappa Slough, Columbia River is 11.0° C (Statistics for 06 Dec 1981-2005 – mean: 10.4 max: 11.6 min: 8.6°C) | ||||||||||||||||||||||||||||||||||||
Nearest