Knappa, Knappa Slough, Columbia River Sea Conditions and Tide Table

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 05:32 PM.

	Days 1–4 Weather Summary Mostly dry. Cool air temperatures (max 13°C on Wed afternoon, min 3°C on Tue night). Wind will be generally light.											Days 5–7 Weather Summary Heavy rain (total 21mm), heaviest during Fri afternoon. Cool air temperatures (max 10°C on Sun morning, min 4°C on Fri night). Wind will be generally light.									Days 8–10 Weather Summary Heavy rain (total 21mm), heaviest during Tue morning. Mild temperatures (max 8°C on Mon afternoon, min 4°C on Mon night). Wind will be generally light.									Days 11–13 Weather Summary Heavy rain (total 52mm), heaviest during Thu night. Mild temperatures (max 7°C on Thu afternoon, min 2°C on Fri night). Wind will be generally light.
	Tue 10		Wednesday 11			Thursday 12			Friday 13			Saturday 14			Sunday 15			Monday 16			Tuesday 17			Wednesday 18			Thursday 19			Friday 20			Saturday 21			Sunday 22			Monday 23			Tuesday 24			Wednesday 25
	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	PM	night	AM	PM	night	AM	PM	night	AM	PM	night
Wave Height Map See all maps
High Tide		9:29PM1.69m	8:14AM2.33m		10:40PM1.76m	9:20AM2.33m		11:38PM1.88m	10:22AM2.38m		00:24AM2.00m	11:17AM2.46m		1:03AM2.12m	12:06PM2.54m		1:37AM2.23m	12:51PM2.60m		2:09AM2.33m		1:34PM2.62m	2:38AM2.44m		2:17PM2.60m	3:06AM2.54m		3:01PM2.52m	3:34AM2.64m		3:47PM2.40m	4:03AM2.72m		4:38PM2.22m	4:37AM2.75m		5:37PM2.01m	5:17AM2.73m		6:49PM1.82m	6:06AM2.66m
Low Tide	3:29PM0.39m	2:35AM1.07m		4:39PM0.31m	3:52AM1.12m		5:39PM0.21m	5:02AM1.09m		6:28PM0.10m	6:01AM1.00m			7:09PM0.01m			7:45PM-0.05m	7:36AM0.76m		8:18PM-0.08m	8:18AM0.63m		8:49PM-0.07m	8:58AM0.50m		9:19PM-0.02m	9:38AM0.37m		9:49PM0.07m	10:20AM0.25m		10:20PM0.20m	11:04AM0.17m		10:54PM0.37m	11:55AM0.14m		11:33PM0.56m	12:55PM0.15m		00:21AM0.76m		2:09PM0.16m
Wave height (m) direction period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	cloudy	mod rain	light rain	cloudy	light rain	light rain	some clouds	cloudy	some clouds	light rain	light rain	some clouds	mod rain	light rain	light rain	light rain	light rain	light rain	light rain	mod rain	heavy rain	light rain	rain shwrs	mod rain	rain shwrs	rain shwrs	light rain	rain shwrs	some clouds	some clouds	cloudy	some clouds	cloudy	cloudy	cloudy	mod rain	rain shwrs	rain shwrs	some clouds
km/h	ENE	E	ENE	ENE	ESE	SW	W	ESE	ESE	WSW	E	NE	ESE	ENE	ENE	NE	E	E	ESE	E	SSE	NE	SW	SW	SE	WSW	SW	WSW	SW	SW	WSW	WSW	W	WNW	WNW	NW	NW	ESE	E	E	ESE	ESE	E	ESE	WNW	WNW	ENE
mm	—	—	—	—	—	—	—	—	—	6	3	—	5	5	—	—	—	2	3	—	6	1	3	5	1	1	1	6	22	4	2	6	4	2	4	2	—	—	—	—	—	—	—	7	2	2	—
max°C	12	5	12	13	6	10	10	6	9	9	5	8	7	5	10	10	6	8	8	5	6	7	5	5	5	6	8	7	5	6	6	4	5	5	3	5	5	2	5	5	2	5	7	5	8	8	5
Moonrise	—	—	3:49	—	—	4:45	—	—	5:33	—	—	6:12	—	—	6:42	—	—	7:06	—	—	7:27	—	—	7:45	—	—	8:03	—	—	8:20	—	—	8:40	—	—	9:04	—	—	9:34	—	—	10:15	—	—	11:09	—	—
Moonset	—	—	11:36	—	—	12:26	—	—	1:27	—	—	2:35	—	—	—	3:47	—	—	5:01	—	—	6:16	—	—	7:30	—	—	8:46	—	—	—	10:03	—	—	11:22	—	—	—	12:44	—	—	2:05	—	—	3:19	—	—
	—	—	7:22	—	—	7:20	—	—	7:20	—	—	7:18	—	—	7:16	—	—	7:15	—	—	7:13	—	—	7:11	—	—	7:09	—	—	7:07	—	—	7:07	—	—	7:05	—	—	7:03	—	—	7:01	—	—	7:00	—	—
	5:32	—	—	5:34	—	—	5:36	—	—	5:37	—	—	5:38	—	—	5:39	—	—	5:42	—	—	5:43	—	—	5:45	—	—	5:45	—	—	5:46	—	—	5:49	—	—	5:50	—	—	5:52	—	—	5:52	—	—	5:54	—
	Today's sea temperature in Knappa, Knappa Slough, Columbia River is 5.7° C (Statistics for 10 Feb 1981-2005 – mean: 9.2 max: 10.7 min: 7.1°C)