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 05:41 AM and sunset is at 08:49 PM.

	Days 1–3 Weather Summary Mostly dry. Warm air temperatures (max 27°C on Thu afternoon, min 12°C on Tue night). Wind will be generally light.									Days 4–6 Weather Summary Mostly dry. Warm air temperatures (max 29°C on Fri afternoon, min 12°C on Sat night). Wind will be generally light.									Days 7–9 Weather Summary Mostly dry. Warm (max 30°C on Wed afternoon, min 13°C on Mon morning). Wind will be generally light.									Days 10–12 Weather Summary Mostly dry. Warm (max 24°C on Fri afternoon, min 12°C on Fri night). Wind will be generally light.									Days 13–16 Weather Summary Light rain (total 4mm), mostly falling on Wed morning. Warm (max 26°C on Sun afternoon, min 13°C on Tue night). Wind will be generally light.
	Tuesday 28			Wednesday 29			Thursday 30			Friday 31			Saturday 1			Sunday 2			Monday 3			Tuesday 4			Wednesday 5			Thursday 6			Friday 7			Saturday 8			Sunday 9			Monday 10			Tuesday 11			Wed 12
	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	PM
Wave Height Map See all maps
High Tide			6:48PM3.40m			7:11PM3.44m	5:07AM2.85m		7:32PM3.47m	5:54AM2.83m		7:52PM3.49m	6:42AM2.77m		8:13PM3.50m	7:36AM2.69m		8:37PM3.49m	8:35AM2.60m		9:04PM3.46m	9:43AM2.53m		9:33PM3.41m		11:03AM2.50m	10:08PM3.35m		12:37PM2.57m	10:49PM3.29m		2:18PM2.76m	11:39PM3.22m		3:38PM3.02m	00:40AM3.18m		4:35PM3.25m	1:48AM3.15m			5:19PM3.43m
Low Tide		11:16AM-0.38m	00:07AM2.06m		11:50AM-0.39m	00:40AM1.91m		12:23PM-0.34m	1:14AM1.70m		12:56PM-0.21m	1:50AM1.46m		1:30PM0.00m	2:28AM1.19m		2:06PM0.30m	3:09AM0.90m		2:44PM0.68m	3:54AM0.61m		3:26PM1.10m	4:43AM0.34m		4:15PM1.55m		5:39AM0.08m		5:15PM1.95m	6:40AM-0.16m		6:34PM2.26m	7:44AM-0.37m		8:04PM2.39m	8:45AM-0.57m		9:24PM2.35m	9:42AM-0.71m		10:28PM2.17m	10:35AM-0.75m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	clear	some clouds	some clouds	clear	clear	clear	clear	clear	clear	clear	clear	clear	clear	some clouds	some clouds	some clouds	some clouds	cloudy	some clouds	clear	clear	clear	clear	cloudy	cloudy	some clouds	some clouds	some clouds	light rain	some clouds	some clouds	some clouds	light rain	cloudy
km/h	SSW	SSW	SSE	WSW	NNW	ESE	SSW	W	S	SW	WNW	SSE	SSW	WSW	S	S	NNW	NE	N	NNW	NNE	N	N	NE	S	NNW	S	SW	NNW	ESE	S	NW	ENE	N	N	S	SSW	SSW	SSW	SW	WSW	SSW	SSW	WSW	S	S	SSE
mm	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	1	—	—	—	3	—
max °C	20	21	21	19	26	20	20	27	22	22	29	23	19	24	19	16	22	19	19	24	21	22	27	23	24	30	22	17	23	19	16	24	21	20	24	21	18	26	21	22	26	19	20	23	20	13	15
Moonrise	—	8:44	—	—	—	9:07	—	—	9:27	—	—	9:43	—	—	9:59	—	—	10:14	—	—	10:31	—	—	10:51	—	—	11:16	—	—	11:50	—	—	—	12:37	—	—	1:39	—	—	2:57	—	—	4:22	—	—	5:49	—
Moonset	4:24	—	—	5:34	—	—	6:45	—	—	7:56	—	—	9:08	—	—	10:19	—	—	11:33	—	—	12:49	—	—	2:09	—	—	—	3:31	—	—	4:50	—	—	6:01	—	—	6:58	—	—	7:40	—	—	8:11	—	—	8:34
	5:41	—	—	5:41	—	—	5:43	—	—	5:45	—	—	5:46	—	—	5:47	—	—	5:48	—	—	5:50	—	—	5:50	—	—	5:52	—	—	5:54	—	—	5:54	—	—	5:56	—	—	5:58	—	—	5:58	—	—	6:00	—
	—	8:49	—	—	8:47	—	—	8:45	—	—	8:45	—	—	8:43	—	—	8:42	—	—	8:40	—	—	8:38	—	—	8:37	—	—	8:36	—	—	8:35	—	—	8:32	—	—	8:30	—	—	8:30	—	—	8:28	—	—	8:27
	Today's sea temperature in Duwamish Waterway is 15.7° C (Statistics for 28 Jul 1981-2005 – mean: 13.6 max: 15.0 min: 12.1°C)