Tides Today & Tomorrow in Seattle, WA

TIDE TIMES for Thursday, July 23, 2026
The tide is currently rising in Seattle, WA.
Next low tide : 8:00 pm (7.9 ft)
Next high tide : in 8h 04m at 3:41 pm (9.3 ft)
Sunset today : 8:55 pm
Sunrise tomorrow : 5:36 am
Moon phase : Waxing Gibbous (72% illuminated)
Tide Station Location : Station #9447130
Common Questions About Tides

Seattle, WA Tides - Sep 2076

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:079.67:4711.11:243.51:191.76:297:48Waxing Crescent1Tue
2Wed7:539.58:1410.91:582.81:542.76:317:46Waxing Crescent2Wed
3Thu8:439.48:4410.72:362.12:323.86:327:44Waxing Crescent3Thu
4Fri9:409.29:1610.43:191.53:155.16:337:42First Quarter4Fri
5Sat10:499.19:5310.14:071.04:076.36:357:40First Quarter5Sat
6Sun12:159.25:020.65:207.36:367:38First Quarter6Sun
7Mon1:539.66:040.26:557.76:377:36First Quarter7Mon
8Tue3:0810.27:09-0.38:237.56:397:34Waxing Gibbous8Tue
9Wed1:029.73:5810.88:12-0.99:256.86:407:32Waxing Gibbous9Wed
10Thu2:1310.04:3711.39:11-1.310:125.96:417:30Waxing Gibbous10Thu
11Fri3:1710.55:1111.610:04-1.510:554.86:437:28Full Moon11Fri
12Sat4:1610.95:4411.810:53-1.311:373.66:447:26Full Moon12Sat
13Sun5:1311.16:1612.011:40-0.66:457:23Full Moon13Sun
14Mon6:1011.16:4912.012:202.412:250.46:477:21Waning Gibbous14Mon
15Tue7:0810.97:2311.81:041.41:111.76:487:19Waning Gibbous15Tue
16Wed8:0810.67:5911.41:480.61:593.26:497:17Waning Gibbous16Wed
17Thu9:1210.38:3710.82:350.22:504.76:517:15Waning Gibbous17Thu
18Fri10:2310.09:1910.13:230.13:526.16:527:13Third Quarter18Fri
19Sat11:499.910:109.34:160.35:167.06:537:11Third Quarter19Sat
20Sun1:2410.15:140.67:147.26:557:09Third Quarter20Sun
21Mon2:4010.46:181.08:426.76:567:07Third Quarter21Mon
22Tue12:358.33:3310.77:251.29:366.16:577:05Waning Crescent22Tue
23Wed1:528.34:1110.98:261.210:145.56:597:03Waning Crescent23Wed
24Thu2:548.74:3910.99:171.110:424.97:007:01Waning Crescent24Thu
25Fri3:439.15:0110.910:001.211:044.37:016:59Waning Crescent25Fri
26Sat4:259.45:1910.910:381.311:263.67:036:57New Moon26Sat
27Sun5:049.75:3810.911:121.711:492.97:046:55New Moon27Sun
28Mon5:4310.05:5910.911:462.27:066:53New Moon28Mon
29Tue6:2210.26:2310.912:152.112:202.97:076:51New Moon29Tue
30Wed7:0410.36:4910.812:451.312:553.77:086:49Waxing Crescent30Wed
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 5:50 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 72% 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 Waxing Gibbous (72% 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