Tides Today & Tomorrow in Seattle, WA

TIDE TIMES for Wednesday, July 1, 2026
The tide is currently falling in Seattle, WA.
Next low tide (tomorrow) : in 5h 03m at 1:43 am (7.3 ft)
Next high tide (tomorrow) : 6:05 am (9.3 ft)
Sunset today : 9:10 pm
Sunrise tomorrow : 5:15 am
Moon phase : Full Moon (97% illuminated)
Tide Station Location : Station #9447130
Common Questions About Tides

Seattle, WA Tides - Aug 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:459.49:0411.82:284.62:130.15:468:44Waning Gibbous1Sun
2Mon8:439.19:4011.83:153.82:571.35:488:43Waning Gibbous2Mon
3Tue9:488.710:1911.74:062.93:442.75:498:41Third Quarter3Tue
4Wed11:068.411:0311.45:022.04:394.25:508:40Third Quarter4Wed
5Thu12:388.56:021.05:475.65:518:38Third Quarter5Thu
6Fri2:169.17:020.17:086.55:538:37Waning Crescent6Fri
7Sat12:4911.13:379.98:01-0.88:316.95:548:35Waning Crescent7Sat
8Sun1:4711.04:3510.78:57-1.69:416.75:558:34Waning Crescent8Sun
9Mon2:4511.05:2111.39:49-2.110:396.35:578:32New Moon9Mon
10Tue3:4011.06:0111.710:38-2.311:295.85:588:30New Moon10Tue
11Wed4:3410.96:3811.911:24-2.15:598:29New Moon11Wed
12Thu5:2610.77:1211.912:145.212:08-1.76:018:27New Moon12Thu
13Fri6:1710.47:4611.812:584.612:51-0.96:028:26Waxing Crescent13Fri
14Sat7:099.98:1911.71:424.11:330.16:038:24Waxing Crescent14Sat
15Sun8:039.48:5311.42:263.52:151.46:058:22Waxing Crescent15Sun
16Mon9:009.09:2811.03:123.12:592.76:068:20Waxing Crescent16Mon
17Tue10:038.510:0610.63:592.73:474.16:078:19First Quarter17Tue
18Wed11:208.310:4910.14:502.34:435.46:098:17First Quarter18Wed
19Thu12:578.45:442.05:576.46:108:15First Quarter19Thu
20Fri2:358.86:411.77:337.06:118:13First Quarter20Fri
21Sat12:339.33:419.57:371.38:577.06:138:11Waxing Gibbous21Sat
22Sun1:309.24:2510.08:290.89:526.86:148:10Waxing Gibbous22Sun
23Mon2:249.34:5810.49:150.310:296.56:158:08Waxing Gibbous23Mon
24Tue3:119.55:2510.79:57-0.110:586.16:178:06Waxing Gibbous24Tue
25Wed3:549.85:4910.910:36-0.511:265.66:188:04Full Moon25Wed
26Thu4:3610.16:1411.211:14-0.611:574.96:198:02Full Moon26Thu
27Fri5:1810.36:4011.411:52-0.66:218:00Full Moon27Fri
28Sat6:0310.47:1011.612:324.212:31-0.26:227:58Waning Gibbous28Sat
29Sun6:5110.47:4211.61:103.31:110.66:237:56Waning Gibbous29Sun
30Mon7:4310.28:1611.61:522.51:531.66:257:54Waning Gibbous30Mon
31Tue8:419.98:5311.42:381.72:392.96:267:52Waning Gibbous31Tue
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 3:54 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 spring phase. Tonight's moon is 97% 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 maximum.

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 Full Moon (97% illuminated). This places Seattle, WA in a spring tide cycle, so tidal ranges are near their weekly maximum 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