Tides Today & Tomorrow in Seattle, WA

TIDE TIMES for Monday, August 3, 2026
The tide is currently falling in Seattle, WA.
Next low tide : in 2h 32m at 2:31 pm (2.2 ft)
Next high tide : 9:06 pm (11.7 ft)
Sunset today : 8:41 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waning Gibbous (74% illuminated)
Tide Station Location : Station #9447130
Common Questions About Tides

Seattle, WA Tides - Oct 2091

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon8:0910.47:3610.01:340.91:564.97:096:48Waning Gibbous1Mon
2Tue8:5410.38:119.62:110.82:385.67:106:46Waning Gibbous2Tue
3Wed9:4510.18:499.22:520.83:286.37:126:44Waning Gibbous3Wed
4Thu10:4310.09:368.73:381.04:306.77:136:42Third Quarter4Thu
5Fri11:509.910:388.34:311.25:506.97:146:40Third Quarter5Fri
6Sat1:0010.05:311.47:146.67:166:38Third Quarter6Sat
7Sun1:5910.46:341.48:156.07:176:36Waning Crescent7Sun
8Mon1:098.42:4510.77:371.48:585.07:196:34Waning Crescent8Mon
9Tue2:159.03:2211.18:341.39:363.97:206:32Waning Crescent9Tue
10Wed3:149.73:5611.59:271.310:132.67:216:30Waning Crescent10Wed
11Thu4:0810.44:3011.810:161.510:521.27:236:28New Moon11Thu
12Fri5:0111.15:0512.011:032.011:330.07:246:26New Moon12Fri
13Sat5:5411.55:4112.011:502.77:266:24New Moon13Sat
14Sun6:4811.86:2111.912:15-1.012:393.67:276:22Waxing Crescent14Sun
15Mon7:4511.87:0311.51:00-1.61:304.67:296:20Waxing Crescent15Mon
16Tue8:4511.77:5010.91:48-1.72:275.47:306:19Waxing Crescent16Tue
17Wed9:4911.58:4210.12:38-1.43:326.17:316:17First Quarter17Wed
18Thu10:5911.39:469.33:32-0.84:536.47:336:15First Quarter18Thu
19Fri12:1511.14:320.16:286.17:346:13First Quarter19Fri
20Sat1:2511.25:391.07:505.47:366:11First Quarter20Sat
21Sun12:348.32:2211.26:491.78:494.47:376:09Waxing Gibbous21Sun
22Mon1:598.53:0611.37:572.39:333.47:396:08Waxing Gibbous22Mon
23Tue3:098.93:4011.28:562.710:092.67:406:06Waxing Gibbous23Tue
24Wed4:059.44:0711.19:473.210:381.97:426:04Waxing Gibbous24Wed
25Thu4:529.94:3011.010:303.711:051.27:436:02Full Moon25Thu
26Fri5:3310.34:5410.811:094.211:310.77:456:01Full Moon26Fri
27Sat6:1010.65:1810.711:464.811:580.27:465:59Full Moon27Sat
28Sun6:4610.85:4610.512:225.37:485:57Full Moon28Sun
29Mon7:2211.06:1610.212:28-0.11:005.87:495:56Waning Gibbous29Mon
30Tue8:0011.16:489.81:00-0.31:406.37:515:54Waning Gibbous30Tue
31Wed8:4111.27:239.41:36-0.32:256.67:525:53Waning Gibbous31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9447130)

Common Questions About Seattle, WA Tides

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What time does the tide turn (slack tide) in Seattle, WA today?

Slack tide in Seattle, WA is approximately 5:48 pm — midway between the next high and low tide, when tidal current is weakest. This is the preferred window for boat crossings, underwater visibility, and fishing in areas with strong currents.

Is this week a spring tide or neap tide in Seattle, WA?

Seattle, WA is currently in a transitional phase. Tonight's moon is 74% illuminated. Spring tides (largest swings) occur near new and full moons; neap tides (smallest swings) occur near first and third quarter moons. Tidal ranges this week are shifting between spring and neap.

What datum are Seattle, WA tide heights measured from?

Tide heights on this page are measured from Mean Lower Low Water (MLLW), the U.S. NOAA standard. A height of 0 ft represents the 19-year average of each day's lower low tide. Negative values indicate a "minus tide" — water levels below that long-term reference.

What factors can affect the tide predictions for Seattle, WA?

Tide predictions for Seattle, WA come from NOAA's harmonic analysis and are typically accurate within about ±10 minutes on timing and ±0.5 ft on height. Actual water levels can deviate further due to sustained winds, atmospheric pressure changes, river flow, and storm surge. During major weather events, be sure to check US Harbors weather pages for factors that could impact tidal predictions.

Which NOAA station provides tide data for Seattle, WA?

Tide data for Seattle, WA is sourced from NOAA Station #9447130. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9447130.

What is the moon phase in Seattle, WA tonight?

Tonight the moon over Seattle, WA is Waning Gibbous (74% illuminated). This places Seattle, WA in a transitional tide cycle, so tidal ranges are shifting between spring and neap this week.

US Harbors Tidal Data

The data in our tide charts, tide tables, and tide graphs is provided by NOAA and others. These predictions are derived mathematically from numerous inputs, including data from historical tide stations and nearby locations where sensors are actively recording. As shown in the tide graph at the top of this page, “Predicted” tides (blue) are what forecasting models expect to happen. “Observed” tides (red) are those recorded by local sensors in real time, overlaid on the predictions for direct comparison. We display Observed water levels for a select group of harbors including Portland, Maine, where a physical sensor monitors water levels in real time.

LEARN MORE ABOUT OUR TIDE DATA