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 08:42 PM.

	Days 1–4 Weather Summary Mostly dry. Cool air temperatures (max 18°C on Mon afternoon, min 8°C on Sun night). Wind will be generally light.										Days 5–7 Weather Summary Mostly dry. Warm air temperatures (max 24°C on Fri afternoon, min 10°C on Wed night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 21°C on Sun afternoon, min 7°C on Sat night). Wind will be generally light.									Days 11–13 Weather Summary Mostly dry. Warm (max 31°C on Thu afternoon, min 9°C on Tue night). Wind will be generally light.									Days 14–17 Weather Summary Mostly dry. Warm (max 24°C on Sat afternoon, min 10°C on Mon night). Wind will be generally light.
		Monday 18			Tuesday 19			Wednesday 20			Thursday 21			Friday 22			Saturday 23			Sunday 24			Monday 25			Tuesday 26			Wednesday 27			Thursday 28			Friday 29			Saturday 30			Sunday 31			Monday 1			Tue 2
	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	AM
Wave Height Map See all maps
High Tide	7:23PM3.61m	5:13AM3.38m		8:17PM3.67m	5:59AM3.28m		9:11PM3.67m	6:51AM3.10m		10:06PM3.64m	7:52AM2.84m		11:00PM3.60m	9:08AM2.55m		11:50PM3.56m	10:42AM2.30m		00:36AM3.51m		12:29PM2.21m	1:18AM3.45m		2:11PM2.33m	1:55AM3.36m		3:32PM2.55m	2:28AM3.27m		4:37PM2.80m	2:57AM3.17m			5:29PM3.03m			6:14PM3.20m			6:54PM3.31m			7:31PM3.39m
Low Tide	00:37AM2.12m		12:50PM-1.12m	1:32AM2.19m		1:39PM-1.05m	2:31AM2.19m		2:30PM-0.83m	3:39AM2.11m		3:24PM-0.50m	4:58AM1.92m		4:21PM-0.09m		6:19AM1.60m		5:21PM0.35m	7:28AM1.20m		6:25PM0.78m	8:22AM0.78m		7:31PM1.17m	9:07AM0.41m		8:36PM1.49m	9:46AM0.11m		9:35PM1.74m	10:20AM-0.12m		10:29PM1.92m	10:52AM-0.29m		11:16PM2.05m		11:24AM-0.40m	11:59PM2.13m		11:56AM-0.48m	00:40AM2.18m		12:30PM-0.51m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	some clouds	some clouds	some clouds	some clouds	clear	clear	clear	clear	some clouds	some clouds	clear	some clouds	clear	some clouds	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	cloudy	some clouds	some clouds	some clouds
km/h	SSW	SW	N	S	S	ESE	ENE	NNW	NNW	NNE	NNW	N	SSW	SW	SW	SSW	SW	NNW	SSE	SSW	NW	S	SW	NNW	ENE	N	N	NNE	N	N	NE	N	N	S	WSW	NNW	SSW	SSW	SW	SSW	SW	W	SW	SSW	WSW	SE	NNW
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	15	14	18	14	12	14	14	15	18	16	18	23	19	17	24	19	15	21	14	14	21	14	17	21	15	15	20	17	18	22	19	25	31	26	25	31	24	20	24	23	19	22	18	15	22	19	15
Moonrise	—	6:28	—	—	7:39	—	—	9:00	—	—	10:24	—	—	11:44	—	—	1:01	—	—	2:13	—	—	—	3:23	—	—	4:33	—	—	5:42	—	—	6:51	—	—	8:00	—	—	—	9:06	—	—	10:06	—	—	10:57	—
Moonset	10:47	—	—	11:55	—	—	—	12:45	—	—	1:21	—	—	1:47	—	—	2:08	—	—	2:25	—	—	2:40	—	—	2:55	—	—	3:11	—	—	3:29	—	—	3:51	—	—	4:18	—	—	4:53	—	—	5:38	—	—	6:33
	—	5:28	—	—	5:26	—	—	5:26	—	—	5:24	—	—	5:24	—	—	5:22	—	—	5:22	—	—	5:20	—	—	5:20	—	—	5:18	—	—	5:18	—	—	5:18	—	—	5:16	—	—	5:16	—	—	5:16	—	—	5:15
	8:42	—	8:43	—	—	8:44	—	—	8:45	—	—	8:45	—	—	8:47	—	—	8:49	—	—	8:50	—	—	8:51	—	—	8:52	—	—	8:52	—	—	8:53	—	—	8:54	—	—	8:55	—	—	8:57	—	—	8:58	—	—
	Today's sea temperature in Duwamish Waterway is 12.4° C (Statistics for 17 May 1981-2005 – mean: 10.9 max: 12.2 min: 9.9°C)