Tides Today & Tomorrow in Seattle, WA

TIDE TIMES for Wednesday, June 17, 2026
The tide is currently rising in Seattle, WA.
Next low tide : 1:11 pm (-3.6 ft)
Next high tide : in 3h 15m at 5:56 am (10.7 ft)
Sunset today : 9:09 pm
Sunrise tomorrow : 5:11 am
Moon phase : Waxing Crescent (10% illuminated)
Tide Station Location : Station #9447130
Common Questions About Tides

Seattle, WA Tides - Jan 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:0610.11:1511.67:516.98:26-0.77:574:28Waxing Gibbous1Thu
2Fri4:0311.02:0211.39:007.19:08-1.27:574:29Waxing Gibbous2Fri
3Sat4:4811.62:4611.09:577.19:47-1.47:574:30Full Moon3Sat
4Sun5:2712.03:2810.810:457.010:25-1.47:574:31Full Moon4Sun
5Mon5:5912.14:0910.511:276.811:01-1.27:574:32Full Moon5Mon
6Tue6:2812.24:5110.112:066.67:564:33Full Moon6Tue
7Wed6:5512.25:349.812:446.37:564:34Waning Gibbous7Wed
8Thu7:2312.26:209.412:13-0.31:225.97:564:35Waning Gibbous8Thu
9Fri7:5312.17:088.912:500.52:035.47:554:37Waning Gibbous9Fri
10Sat8:2512.18:018.41:271.42:474.97:554:38Waning Gibbous10Sat
11Sun8:5911.99:028.02:052.53:354.37:544:39Third Quarter11Sun
12Mon9:3611.610:167.72:473.74:263.67:544:40Third Quarter12Mon
13Tue10:1611.411:467.93:345.05:182.97:534:42Third Quarter13Tue
14Wed11:0011.14:336.26:102.07:534:43Third Quarter14Wed
15Thu1:248.511:46 AM11.05:487.17:001.07:524:44Waning Crescent15Thu
16Fri2:399.412:3411.07:077.67:470.07:514:46Waning Crescent16Fri
17Sat3:2910.31:2211.18:167.78:33-1.07:514:47Waning Crescent17Sat
18Sun4:0911.12:1111.39:127.59:17-1.87:504:49Waning Crescent18Sun
19Mon4:4511.73:0011.410:007.110:02-2.37:494:50New Moon19Mon
20Tue5:2012.33:5111.510:476.610:46-2.57:484:51New Moon20Tue
21Wed5:5612.74:4411.411:335.911:31-2.27:474:53New Moon21Wed
22Thu6:3313.05:4011.112:225.07:464:54Waxing Crescent22Thu
23Fri7:1113.16:3910.612:16-1.41:134.27:464:56Waxing Crescent23Fri
24Sat7:5113.17:429.91:03-0.22:073.47:444:57Waxing Crescent24Sat
25Sun8:3212.98:539.31:511.33:042.67:434:59First Quarter25Sun
26Mon9:1612.610:188.82:423.04:042.07:425:00First Quarter26Mon
27Tue10:0412.13:414.75:081.47:415:02First Quarter27Tue
28Wed12:048.810:58 AM11.54:556.16:110.87:405:04First Quarter28Wed
29Thu1:479.511:56 AM11.16:267.07:110.37:395:05Waxing Gibbous29Thu
30Fri3:0110.412:5510.77:577.28:04-0.17:385:07Waxing Gibbous30Fri
31Sat3:5311.11:5010.59:067.18:50-0.47:365:08Waxing Gibbous31Sat
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 9:33 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 10% 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 Waxing Crescent (10% 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