Duwamish Waterway Sea Conditions and Tide Table

Duwamish Waterway 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 09:06 PM.

	Days 1–4 Weather Summary Mostly dry. Very warm air temperatures (max 30°C on Sun afternoon, min 13°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Very warm air temperatures (max 32°C on Mon afternoon, min 10°C on Tue night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 26°C on Thu afternoon, min 11°C on Fri night). Wind will be generally light.									Days 11–13 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 10°C on Mon night). Wind will be generally light.									Days 14–17 Weather Summary Mostly dry. Warm (max 33°C on Sat afternoon, min 12°C on Thu night). Wind will be generally light.
	Fri 12		Saturday 13			Sunday 14			Monday 15			Tuesday 16			Wednesday 17			Thursday 18			Friday 19			Saturday 20			Sunday 21			Monday 22			Tuesday 23			Wednesday 24			Thursday 25			Friday 26			Saturday 27
	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	4:46PM3.09m	2:30AM3.40m			5:43PM3.37m			6:34PM3.58m			7:22PM3.70m			8:09PM3.76m	5:48AM3.21m		8:54PM3.77m	6:49AM2.99m		9:37PM3.74m	7:56AM2.72m		10:19PM3.69m	9:14AM2.45m		10:59PM3.61m	10:45AM2.25m		11:38PM3.51m		12:28PM2.22m	00:16AM3.39m		2:09PM2.37m	00:52AM3.26m		3:32PM2.62m	1:27AM3.14m		4:35PM2.88m	2:02AM3.03m
Low Tide		9:35PM2.13m	10:14AM-0.84m		10:36PM2.26m	11:00AM-1.09m		11:34PM2.32m		11:48AM-1.21m	00:30AM2.29m		12:36PM-1.18m	1:27AM2.20m		1:24PM-1.01m	2:26AM2.03m		2:13PM-0.71m	3:29AM1.80m		3:02PM-0.30m	4:35AM1.51m		3:52PM0.19m		5:42AM1.17m	4:44PM0.70m		6:44AM0.82m		5:42PM1.20m	7:39AM0.48m		6:48PM1.62m	8:28AM0.20m		8:01PM1.94m	9:11AM-0.03m		9:13PM2.14m	9:50AM-0.20m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	some clouds	some clouds	clear	clear	some clouds	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	clear
km/h	NNW	NNE	N	N	NNE	N	NNW	NE	SW	N	SSE	SW	NNE	S	SW	N	NE	NNW	N	SSW	SW	SW	S	SSW	NNW	W	NNW	N	SSW	SSW	WSW	S	SW	NNW	NNE	N	N	NE	NNW	N	SSW	SSW	NNW	NNE	N	N	NNE
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	22	20	21	26	22	25	30	26	25	32	23	21	23	17	18	24	21	22	26	21	19	24	19	16	25	21	21	26	22	20	27	22	18	27	22	23	28	24	26	31	27	22	29	24	27	33	28
Moonrise	—	—	3:22	—	—	4:10	—	—	5:14	—	—	6:33	—	—	7:59	—	—	9:24	—	—	10:45	—	—	12:01	—	—	1:13	—	—	2:23	—	—	—	3:33	—	—	4:42	—	—	5:51	—	—	6:58	—	—	8:00	—
Moonset	6:51	—	—	8:17	—	—	—	9:33	—	—	10:33	—	—	11:17	—	—	11:48	—	—	—	12:11	—	—	12:30	—	—	12:46	—	—	1:01	—	—	1:17	—	—	1:35	—	—	1:55	—	—	2:21	—	—	2:53	—	—
	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:11	—	—	5:13	—	—	5:13	—	—
	—	9:06	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:08	—	—	9:08	—	—	9:08	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09
	Today's sea temperature in Duwamish Waterway is 13.0° C (Statistics for 12 Jun 1981-2005 – mean: 12.1 max: 14.0 min: 11.0°C)