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 09:09 PM.

	Days 1–4 Weather Summary Light rain (total 4mm), mostly falling on Fri morning. Very warm air temperatures (max 31°C on Wed afternoon, min 10°C on Fri night). Wind will be generally light.											Days 5–7 Weather Summary Mostly dry. Warm air temperatures (max 20°C on Sat afternoon, min 11°C on Sat night). Wind will be generally light.									Days 8–10 Weather Summary Mostly dry. Warm (max 26°C on Thu afternoon, min 11°C on Tue night). Wind will be generally light.									Days 11–13 Weather Summary Mostly dry. Warm (max 27°C on Mon afternoon, min 13°C on Fri night). Wind will be generally light.									Days 14–17 Weather Summary Mostly dry. Warm (max 29°C on Mon afternoon, min 9°C on Tue night). Wind will be generally light.
	Wed 24		Thursday 25			Friday 26			Saturday 27			Sunday 28			Monday 29			Tuesday 30			Wednesday 1			Thursday 2			Friday 3			Saturday 4			Sunday 5			Monday 6			Tuesday 7			Wednesday 8			Thursday 9
	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	3:32PM2.62m	1:27AM3.14m		4:35PM2.88m	2:02AM3.03m			5:26PM3.10m			6:09PM3.26m			6:46PM3.36m			7:19PM3.43m			7:49PM3.47m	5:09AM2.85m		8:17PM3.51m	5:52AM2.79m		8:43PM3.53m	6:39AM2.69m		9:09PM3.55m	7:33AM2.56m		9:36PM3.54m	8:34AM2.41m		10:04PM3.52m	9:47AM2.29m		10:33PM3.48m		11:10AM2.25m	11:05PM3.44m		12:43PM2.34m
Low Tide		8:01PM1.94m	9:11AM-0.03m		9:13PM2.14m	9:50AM-0.20m		10:16PM2.24m	10:27AM-0.34m		11:07PM2.28m		11:02AM-0.43m	11:50PM2.28m		11:36AM-0.50m	00:28AM2.25m		12:11PM-0.52m	1:06AM2.18m		12:45PM-0.51m	1:45AM2.08m		1:20PM-0.43m	2:26AM1.93m		1:55PM-0.27m	3:10AM1.73m		2:32PM-0.02m	3:56AM1.47m		3:11PM0.31m	4:44AM1.17m		3:54PM0.71m		5:33AM0.81m	4:41PM1.16m		6:25AM0.44m
Wave Height (m) Direction Period (s)	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—

	some clouds	clear	cloudy	cloudy	light rain	light rain	cloudy	some clouds	some clouds	some clouds	some clouds	cloudy	cloudy	some clouds	cloudy	cloudy	cloudy	cloudy	cloudy	some clouds	some clouds	clear	clear	some clouds	some clouds	some clouds	cloudy	some clouds	some clouds	cloudy	cloudy	some clouds	some clouds	clear	some clouds	clear	some clouds	clear	some clouds	clear	clear	clear	clear	some clouds	clear	clear	clear
km/h	WNW	S	SSW	WSW	SSE	SSW	SW	S	WSW	NW	S	SSW	SSW	S	SSW	S	S	SSW	SSW	SSW	SSW	N	NE	N	NNW	SSW	SSW	S	S	SSW	S	WNW	NNW	N	N	NNW	W	S	SW	WNW	SW	SSW	WSW	SSE	N	N	NE
mm	—	—	—	—	2	2	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—	—
max °C	31	25	17	22	17	14	20	16	15	20	19	15	18	16	15	18	17	15	19	17	18	23	19	20	26	24	17	21	21	15	17	17	20	24	21	22	29	23	16	26	20	18	22	18	18	21	19
Moonrise	4:42	—	—	5:51	—	—	6:58	—	—	8:00	—	—	8:54	—	—	—	9:39	—	—	10:13	—	—	10:40	—	—	11:02	—	—	11:20	—	—	11:36	—	—	11:52	—	—	—	12:07	—	—	12:25	—	—	12:47	—	—
Moonset	—	—	1:55	—	—	2:21	—	—	2:53	—	—	3:35	—	—	4:27	—	—	5:28	—	—	6:35	—	—	7:45	—	—	8:55	—	—	10:06	—	—	11:16	—	—	12:28	—	—	1:43	—	—	—	3:02	—	—	4:25	—
	—	—	5:11	—	—	5:13	—	—	5:13	—	—	5:13	—	—	5:13	—	—	5:15	—	—	5:15	—	—	5:16	—	—	5:16	—	—	5:16	—	—	5:18	—	—	5:18	—	—	5:18	—	—	5:20	—	—	5:20	—	—
	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:09	—	—	9:08	—	—	9:08	—	—	9:08	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07	—	—	9:07
	Today's sea temperature in Duwamish Waterway is 14.5° C (Statistics for 24 Jun 1981-2005 – mean: 12.8 max: 14.0 min: 11.4°C)