Tides Today & Tomorrow in La Conner, Swinomish Channel, WA

TIDE TIMES for Tuesday, August 18, 2026
The tide is currently falling in La Conner, Swinomish Channel, WA.
Next low tide : in 2h 04m at 4:09 pm (5.1 ft)
Next high tide : 9:50 pm (9.6 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 6:08 am
Moon phase : First Quarter (37% illuminated)
Tide Station Location : Station #9448558
Common Questions About Tides

La Conner, Swinomish Channel, WA Tides - Apr 1938

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri5:0010.25:589.911:500.15:486:39New Moon1Fri
2Sat5:3210.36:4710.112:043.712:29-0.75:466:41Waxing Crescent2Sat
3Sun6:0710.37:3910.112:474.41:12-1.25:446:42Waxing Crescent3Sun
4Mon6:4610.18:369.91:345.11:58-1.45:426:43Waxing Crescent4Mon
5Tue7:309.79:399.72:265.82:50-1.25:406:45Waxing Crescent5Tue
6Wed8:239.210:519.53:296.33:47-0.85:386:46First Quarter6Wed
7Thu9:308.54:486.54:50-0.15:366:48First Quarter7Thu
8Fri12:079.510:53 AM8.06:206.15:580.55:346:49First Quarter8Fri
9Sat1:139.712:247.97:415.27:081.15:326:51Waxing Gibbous9Sat
10Sun2:0510.01:488.18:404.08:121.65:306:52Waxing Gibbous10Sun
11Mon2:4510.22:598.69:262.89:102.15:286:54Waxing Gibbous11Mon
12Tue3:1910.33:589.010:051.610:002.75:266:55Waxing Gibbous12Tue
13Wed3:5010.34:509.410:400.710:473.35:246:57Full Moon13Wed
14Thu4:1910.25:389.711:140.011:314.05:226:58Full Moon14Thu
15Fri4:4910.06:229.911:48-0.55:207:00Full Moon15Fri
16Sat5:219.77:049.912:144.712:22-0.85:187:01Waning Gibbous16Sat
17Sun5:559.47:469.912:575.312:58-0.85:167:02Waning Gibbous17Sun
18Mon6:319.08:309.71:415.81:36-0.65:147:04Waning Gibbous18Mon
19Tue7:128.59:169.52:306.12:17-0.25:127:05Waning Gibbous19Tue
20Wed7:578.010:089.33:256.43:020.45:107:07Third Quarter20Wed
21Thu8:507.511:049.24:326.43:521.05:087:08Third Quarter21Thu
22Fri9:567.15:526.24:471.65:067:10Third Quarter22Fri
23Sat12:019.111:13 AM6.87:045.65:482.25:047:11Third Quarter23Sat
24Sun12:509.212:326.97:534.86:492.75:037:13Third Quarter24Sun
25Mon1:309.31:427.38:293.87:473.15:017:14Waning Crescent25Mon
26Tue2:049.52:427.99:002.78:403.44:597:16Waning Crescent26Tue
27Wed2:349.73:348.69:311.59:293.94:577:17Waning Crescent27Wed
28Thu3:059.94:239.310:050.310:154.34:567:18New Moon28Thu
29Fri3:3610.15:109.910:41-0.911:014.84:547:20New Moon29Fri
30Sat4:1010.25:5810.311:21-1.811:475.34:527:21New Moon30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9448558)

Common Questions About La Conner, Swinomish Channel, WA Tides

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What time does the tide turn (slack tide) in La Conner, Swinomish Channel, WA today?

Slack tide in La Conner, Swinomish Channel, WA is approximately 6:59 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 La Conner, Swinomish Channel, WA?

La Conner, Swinomish Channel, WA is currently in a transitional phase. Tonight's moon is 37% 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 La Conner, Swinomish Channel, 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 La Conner, Swinomish Channel, WA?

Tide predictions for La Conner, Swinomish Channel, 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 La Conner, Swinomish Channel, WA?

Tide data for La Conner, Swinomish Channel, WA is sourced from NOAA Station #9448558. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9448558.

What is the moon phase in La Conner, Swinomish Channel, WA tonight?

Tonight the moon over La Conner, Swinomish Channel, WA is First Quarter (37% illuminated). This places La Conner, Swinomish Channel, 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