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 07:42 PM.

	Days 1–4 Weather Summary Mostly dry. Warm air temperatures (max 25°C on Wed afternoon, min 12°C on Mon night). Wind will be generally light.											Days 5–7 Weather Summary Light rain (total 7mm), mostly falling on Sat morning. Cool air temperatures (max 18°C on Thu afternoon, min 11°C on Sun morning). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 24°C on Mon afternoon, min 11°C on Mon night). Wind will be generally light.									Days 11–13 Weather Summary Mostly dry. Warm (max 25°C on Wed afternoon, min 12°C on Thu night). Wind will be generally light.									Days 14–17 Weather Summary Mostly dry. Warm (max 23°C on Sun afternoon, min 11°C on Sun night). Wind will be generally light.
	Mon 7		Tuesday 8			Wednesday 9			Thursday 10			Friday 11			Saturday 12			Sunday 13			Monday 14			Tuesday 15			Wednesday 16			Thursday 17			Friday 18			Saturday 19			Sunday 20			Monday 21			Tuesday 22
	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	12:18PM1.88m	11:31PM2.35m		1:06PM2.06m	00:35AM2.42m		1:47PM2.22m	1:30AM2.46m		2:25PM2.35m	2:21AM2.44m		3:00PM2.44m	3:09AM2.37m		3:32PM2.49m	3:55AM2.25m		4:03PM2.49m	4:41AM2.12m		4:32PM2.46m		5:27AM1.96m		5:01PM2.39m	6:18AM1.81m		5:31PM2.30m	7:15AM1.67m		6:08PM2.18m	8:24AM1.58m		6:57PM2.06m	9:38AM1.58m		8:06PM1.95m	10:46AM1.65m		9:29PM1.93m		11:39AM1.78m
Low Tide		6:05PM0.69m	7:13AM-0.26m		7:09PM0.49m	8:00AM-0.29m		8:04PM0.30m	8:41AM-0.27m		8:54PM0.13m	9:19AM-0.19m		9:40PM0.00m	9:54AM-0.07m		10:24PM-0.08m	10:28AM0.08m		11:05PM-0.11m	11:00AM0.25m		11:47PM-0.09m		11:33AM0.42m	00:29AM-0.04m		12:08PM0.59m	1:15AM0.05m		12:49PM0.75m	2:11AM0.14m		1:42PM0.87m	3:19AM0.20m		2:55PM0.95m	4:32AM0.20m		4:16PM0.93m		5:36AM0.15m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	some clouds	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	cloudy	cloudy	light rain	rain shwrs	rain shwrs	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	clear	clear	some clouds	clear	some clouds	cloudy	clear	clear	clear	clear	clear	clear	some clouds	cloudy	some clouds	clear	clear
km/h	WNW	NE	NE	WNW	E	ENE	W	W	W	WNW	WSW	WNW	WNW	ESE	E	W	S	NNW	WNW	ENE	ENE	WNW	WSW	W	W	W	E	NNE	E	E	W	WSW	W	W	W	WSW	W	ENE	ENE	NNW	E	ESE	W	SSW	W	W	SE
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	2	4	1	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	19	15	20	24	16	22	25	15	16	18	14	15	18	13	14	17	13	17	20	15	20	24	15	18	19	13	17	25	19	24	25	14	18	21	14	16	18	14	18	23	17	21	22	14	17	19	14
Moonrise	—	—	3:33	—	—	4:55	—	—	6:13	—	—	7:29	—	—	8:43	—	—	9:55	—	—	11:07	—	—	12:18	—	—	1:26	—	—	2:29	—	—	—	3:23	—	—	4:09	—	—	4:45	—	—	5:14	—	—	5:37	—
Moonset	6:11	—	—	6:38	—	—	7:00	—	—	7:19	—	—	7:37	—	—	7:54	—	—	8:14	—	—	8:36	—	—	—	9:03	—	—	9:37	—	—	10:18	—	—	11:09	—	—	—	12:09	—	—	1:14	—	—	2:23	—	—
	—	—	6:43	—	—	6:43	—	—	6:45	—	—	6:46	—	—	6:48	—	—	6:48	—	—	6:50	—	—	6:50	—	—	6:52	—	—	6:54	—	—	6:54	—	—	6:56	—	—	6:58	—	—	6:58	—	—	7:00	—	—
	7:42	—	—	7:39	—	—	7:37	—	—	7:36	—	—	7:34	—	—	7:31	—	—	7:30	—	—	7:28	—	—	7:25	—	—	7:23	—	—	7:22	—	—	7:20	—	—	7:17	—	—	7:15	—	—	7:14	—	—	7:12	—
	Today's sea temperature in Knappa, Knappa Slough, Columbia River is 20.6°C (Statistics for 07 Sep 1981-2005 – mean: 15.1 max: 18.1 min: 13.1°C)