Tides Today & Tomorrow in Seattle, WA

TIDE TIMES for Wednesday, August 5, 2026
The tide is currently falling in Seattle, WA.
Next low tide : in 27m at 4:31 am (1.2 ft)
Next high tide : 10:52 am (8.4 ft)
Sunset today : 8:38 pm
Sunrise tomorrow : 5:52 am
Moon phase : Third Quarter (53% illuminated)
Tide Station Location : Station #9447130
Common Questions About Tides

Seattle, WA Tides - Jan 1955

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat9:3912.410:358.12:543.34:352.67:574:28First Quarter1Sat
2Sun10:1912.23:475.05:321.37:574:29First Quarter2Sun
3Mon12:198.511:04 AM12.14:546.66:280.07:574:30Waxing Gibbous3Mon
4Tue2:029.511:54 AM11.96:187.87:23-1.27:574:31Waxing Gibbous4Tue
5Wed3:1710.612:4911.87:448.38:16-2.17:574:32Waxing Gibbous5Wed
6Thu4:1111.51:4511.78:588.39:06-2.87:574:33Waxing Gibbous6Thu
7Fri4:5512.22:4011.69:587.99:53-3.07:564:34Full Moon7Fri
8Sat5:3512.63:3511.410:517.410:39-2.97:564:35Full Moon8Sat
9Sun6:1112.94:3011.011:406.711:24-2.37:564:36Full Moon9Sun
10Mon6:4612.95:2610.512:296.07:554:38Waning Gibbous10Mon
11Tue7:1912.96:239.912:07-1.41:175.37:554:39Waning Gibbous11Tue
12Wed7:5212.87:229.212:50-0.12:074.57:544:40Waning Gibbous12Wed
13Thu8:2412.58:278.61:321.42:573.87:544:41Waning Gibbous13Thu
14Fri8:5812.29:438.12:153.03:493.17:534:43Third Quarter14Fri
15Sat9:3411.711:238.03:014.74:422.57:534:44Third Quarter15Sat
16Sun10:1311.23:576.35:351.97:524:45Third Quarter16Sun
17Mon1:248.610:58 AM10.75:147.66:281.37:514:47Third Quarter17Mon
18Tue2:519.511:48 AM10.37:018.37:180.77:504:48Waning Crescent18Tue
19Wed3:4410.312:4010.18:318.48:030.27:504:50Waning Crescent19Wed
20Thu4:2210.91:3110.19:278.28:44-0.37:494:51Waning Crescent20Thu
21Fri4:5211.32:1810.210:047.99:22-0.77:484:52Waning Crescent21Fri
22Sat5:1611.53:0110.310:337.69:59-1.17:474:54New Moon22Sat
23Sun5:3711.83:4310.311:017.110:35-1.27:464:55New Moon23Sun
24Mon5:5712.04:2610.411:306.511:11-1.17:454:57New Moon24Mon
25Tue6:2012.25:1110.312:045.87:444:58New Moon25Tue
26Wed6:4512.46:0010.112:424.87:435:00Waxing Crescent26Wed
27Thu7:1312.66:549.812:260.21:233.87:425:01Waxing Crescent27Thu
28Fri7:4312.67:549.41:041.42:092.87:415:03Waxing Crescent28Fri
29Sat8:1512.59:039.01:452.92:591.97:405:05First Quarter29Sat
30Sun8:5212.310:288.82:304.63:541.07:385:06First Quarter30Sun
31Mon9:3411.93:246.34:540.37:375:08First Quarter31Mon
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 7:41 am — 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 neap phase. Tonight's moon is 53% 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 near their weekly minimum.

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 Third Quarter (53% illuminated). This places Seattle, WA in a neap tide cycle, so tidal ranges are near their weekly minimum 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