Duwamish Waterway, Eighth Ave. South, WA Tide Chart & Tide Times

NOAA tide station 9447029 · Washington · updated Oct 23, 2026

Fri, Oct 23: High tide 3:43 AM (8.8 ft) and 3:45 PM (10.9 ft); low tide 9:29 AM (3.1 ft) and 10:21 PM (1.6 ft).

Tide todayHigh 3:43 AM · High 3:45 PMLow 9:29 AM · Low 10:21 PM

Today's range9.2 ft1.6 → 10.9 ft (MLLW)

WindLoading…

Sun7:40 AM – 6:06 PMFirst light 7:08 AM · Last light 6:38 PM

Wind: observed at NOAA CO-OPS station 9445958 (Bremerton), 14 mi away; forecast from the NOAA National Weather Service (api.weather.gov).

Duwamish Waterway, Eighth Ave. South tides — next 3 days

Shaded = night · heights in feet above MLLW · local time

TodayFri, Oct 23

High 3:43 AM 8.8 ft
Low 9:29 AM 3.1 ft
High 3:45 PM 10.9 ft
Low 10:21 PM 1.6 ft

First light 7:08 AMSunrise 7:40 AMSunset 6:06 PMLast light 6:38 PM

TomorrowSat, Oct 24

High 4:33 AM 9.6 ft
Low 10:13 AM 3.7 ft
High 4:08 PM 11.0 ft
Low 10:50 PM 0.3 ft

First light 7:09 AMSunrise 7:41 AMSunset 6:04 PMLast light 6:36 PM

SundaySun, Oct 25

High 5:22 AM 10.3 ft
Low 10:56 AM 4.5 ft
High 4:34 PM 11.2 ft
Low 11:24 PM -1.0 ft

First light 7:10 AMSunrise 7:43 AMSunset 6:02 PMLast light 6:34 PM

MondayMon, Oct 26

High 6:11 AM 10.9 ft
Low 11:40 AM 5.3 ft
High 5:02 PM 11.2 ft

First light 7:12 AMSunrise 7:44 AMSunset 6:00 PMLast light 6:33 PM

Duwamish Waterway, Eighth Ave. South tide table — next 9 days

Fri, Oct 23	High 3:43 AM 8.79 ft	Low 9:29 AM 3.06 ft	High 3:45 PM 10.85 ft	Low 10:21 PM 1.65 ft
Sat, Oct 24	High 4:33 AM 9.55 ft	Low 10:13 AM 3.71 ft	High 4:08 PM 11.03 ft	Low 10:50 PM 0.26 ft
Sun, Oct 25	High 5:22 AM 10.30 ft	Low 10:56 AM 4.50 ft	High 4:34 PM 11.16 ft	Low 11:24 PM -1.03 ft
Mon, Oct 26	High 6:11 AM 10.94 ft	Low 11:40 AM 5.34 ft	High 5:02 PM 11.22 ft
Tue, Oct 27	Low 12:01 AM -2.05 ft	High 7:01 AM 11.41 ft	Low 12:26 PM 6.15 ft	High 5:34 PM 11.16 ft
Wed, Oct 28	Low 12:42 AM -2.69 ft	High 7:54 AM 11.64 ft	Low 1:15 PM 6.84 ft	High 6:10 PM 10.95 ft
Thu, Oct 29	Low 1:27 AM -2.85 ft	High 8:50 AM 11.63 ft	Low 2:09 PM 7.36 ft	High 6:52 PM 10.54 ft
Fri, Oct 30	Low 2:16 AM -2.56 ft	High 9:51 AM 11.47 ft	Low 3:14 PM 7.63 ft	High 7:42 PM 9.91 ft
Sat, Oct 31	Low 3:10 AM -1.87 ft	High 10:57 AM 11.26 ft	Low 4:35 PM 7.53 ft	High 8:47 PM 9.10 ft

Times are local (standard/daylight). Heights in feet above MLLW.

Nearby tide stations

Lockheed Shipyard, Harbor Island, WA 3.9 mi
Seattle (Madison St.), Elliott Bay, WA 4.7 mi
Point Vashon, Vashon Island, WA 6.8 mi
Harper, Yukon Harbor, WA 9.1 mi
Des Moines, East Passage, WA 9.3 mi
Port Blakely, WA 9.7 mi
Clam Bay, Rich Passage, WA 10.6 mi
Eagle Harbor, Bainbridge Island, WA 10.7 mi

About this station

NOAA station ID: 9447029
Type: Subordinate station (offsets from NOAA station 9447130)
Coordinates: 47.5350, -122.3220
Datum: MLLW (feet)
Time zone: America/Los_Angeles

FAQ

When is high tide today at Duwamish Waterway, Eighth Ave. South, WA?

On Fri, Oct 23, predicted high tide at Duwamish Waterway, Eighth Ave. South, WA is at 3:43 AM, 3:45 PM local time.

When is low tide today at Duwamish Waterway, Eighth Ave. South, WA?

On Fri, Oct 23, predicted low tide at Duwamish Waterway, Eighth Ave. South, WA is at 9:29 AM, 10:21 PM local time.

Where does this tide data come from?

Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 9447029. Heights are in feet relative to Mean Lower Low Water (MLLW).