Tides Today & Tomorrow in Seattle, WA

TIDE TIMES for Thursday, July 23, 2026
The tide is currently falling in Seattle, WA.
Next low tide : in 5h 44m at 7:21 am (0.6 ft)
Next high tide : 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 - Mar 2076

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:5110.712:2810.27:538.07:44-1.26:475:55Waning Crescent1Sun
2Mon3:3711.31:3810.58:557.38:40-1.66:455:57Waning Crescent2Mon
3Tue4:1411.82:4110.89:436.39:32-1.86:435:58New Moon3Tue
4Wed4:4712.13:4011.010:275.210:20-1.56:416:00New Moon4Wed
5Thu5:1912.34:3711.111:094.111:05-0.86:396:01New Moon5Thu
6Fri5:5012.45:3310.911:523.111:490.36:376:03New Moon6Fri
7Sat6:2212.46:3010.712:352.16:356:04Waxing Crescent7Sat
8Sun7:5412.18:2910.312:331.72:181.47:337:05Waxing Crescent8Sun
9Mon8:2811.79:319.92:183.23:041.07:317:07Waxing Crescent9Mon
10Tue9:0311.110:439.63:074.83:510.87:297:08First Quarter10Tue
11Wed9:4310.44:046.24:430.97:277:10First Quarter11Wed
12Thu12:149.510:29 AM9.65:247.35:401.17:257:11First Quarter12Thu
13Fri1:589.811:30 AM8.97:277.66:431.27:237:13First Quarter13Fri
14Sat3:1410.312:458.69:047.37:471.27:217:14Waxing Gibbous14Sat
15Sun4:0410.61:588.69:586.78:451.17:197:16Waxing Gibbous15Sun
16Mon4:3910.92:598.810:336.29:340.97:177:17Waxing Gibbous16Mon
17Tue5:0511.03:489.211:005.610:150.87:157:19Waxing Gibbous17Tue
18Wed5:2611.04:309.511:215.010:520.97:137:20Full Moon18Wed
19Thu5:4411.15:109.811:424.311:261.17:117:21Full Moon19Thu
20Fri6:0311.25:5010.012:063.57:097:23Full Moon20Fri
21Sat6:2511.36:3110.212:001.512:352.67:077:24Full Moon21Sat
22Sun6:4911.37:1510.312:352.21:071.77:057:26Waning Gibbous22Sun
23Mon7:1511.38:0310.31:113.11:430.97:037:27Waning Gibbous23Mon
24Tue7:4411.18:5610.31:504.22:230.27:017:29Waning Gibbous24Tue
25Wed8:1510.99:5710.22:335.33:08-0.26:597:30Waning Gibbous25Wed
26Thu8:5110.511:1110.03:236.54:00-0.46:577:31Third Quarter26Thu
27Fri9:3610.04:287.44:59-0.46:557:33Third Quarter27Fri
28Sat12:4210.110:40 AM9.56:007.96:05-0.36:537:34Third Quarter28Sat
29Sun2:1110.512:049.27:447.67:15-0.36:517:36Waning Crescent29Sun
30Mon3:1210.91:319.28:576.78:21-0.36:497:37Waning Crescent30Mon
31Tue3:5511.42:479.69:475.59:21-0.26:477:39Waning Crescent31Tue
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 11:31 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 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