Tides Today & Tomorrow in Coupeville, Whidbey Island, WA

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Coupeville, Whidbey Island, WA.
Next low tide : in 3h 39m at 3:49 pm (0.3 ft)
Next high tide : 11:12 pm (12.2 ft)
Sunset today : 9:14 pm
Sunrise tomorrow : 5:09 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9447929
Common Questions About Tides

Coupeville, Whidbey Island, WA Tides - Sep 2021

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:168.84:0010.07:251.19:377.46:297:51Waning Crescent1Wed
2Thu1:248.74:4010.48:220.710:177.06:307:49Waning Crescent2Thu
3Fri2:258.95:1010.89:130.210:446.66:327:47Waning Crescent3Fri
4Sat3:179.35:3411.09:59-0.311:066.16:337:45Waning Crescent4Sat
5Sun4:039.75:5711.210:40-0.611:315.46:347:43New Moon5Sun
6Mon4:4810.16:2011.411:19-0.76:367:41New Moon6Mon
7Tue5:3310.46:4511.612:014.511:58 AM-0.46:377:39New Moon7Tue
8Wed6:2110.67:1311.812:353.512:380.36:387:37Waxing Crescent8Wed
9Thu7:1310.67:4211.81:142.31:181.46:407:35Waxing Crescent9Thu
10Fri8:0910.58:1411.71:561.32:012.76:417:33Waxing Crescent10Fri
11Sat9:1110.38:5011.52:420.42:484.26:437:31Waxing Crescent11Sat
12Sun10:2110.09:3011.03:32-0.23:425.76:447:29First Quarter12Sun
13Mon11:489.910:1910.44:27-0.54:526.96:457:27First Quarter13Mon
14Tue1:3310.15:29-0.56:307.66:477:25First Quarter14Tue
15Wed3:0110.66:37-0.48:187.36:487:22Waxing Gibbous15Wed
16Thu12:449.53:5911.17:46-0.49:306.66:497:20Waxing Gibbous16Thu
17Fri2:049.54:4211.58:50-0.510:195.76:517:18Waxing Gibbous17Fri
18Sat3:149.75:1611.69:46-0.410:584.86:527:16Waxing Gibbous18Sat
19Sun4:1310.05:4411.610:34-0.111:333.96:547:14Full Moon19Sun
20Mon5:0510.26:0811.511:170.46:557:12Full Moon20Mon
21Tue5:5310.36:3111.412:053.111:57 AM1.26:567:10Full Moon21Tue
22Wed6:4010.36:5411.212:372.312:352.16:587:08Full Moon22Wed
23Thu7:2610.37:1810.91:081.71:133.26:597:06Waning Gibbous23Thu
24Fri8:1410.27:4510.51:411.11:524.47:017:04Waning Gibbous24Fri
25Sat9:0310.18:1410.12:160.82:345.57:027:02Waning Gibbous25Sat
26Sun9:5810.08:469.52:550.63:226.57:036:59Waning Gibbous26Sun
27Mon11:029.89:248.93:370.74:267.37:056:57Third Quarter27Mon
28Tue12:219.84:271.06:117.77:066:55Third Quarter28Tue
29Wed1:5010.05:251.38:317.47:086:53Third Quarter29Wed
30Thu2:5410.36:301.49:206.97:096:51Third Quarter30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9447929)

Common Questions About Coupeville, Whidbey Island, WA Tides

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What time does the tide turn (slack tide) in Coupeville, Whidbey Island, WA today?

Slack tide in Coupeville, Whidbey Island, WA is approximately 7:30 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 Coupeville, Whidbey Island, WA?

Coupeville, Whidbey Island, WA is currently in a transitional phase. Tonight's moon is 38% 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 Coupeville, Whidbey Island, 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 Coupeville, Whidbey Island, WA?

Tide predictions for Coupeville, Whidbey Island, 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 Coupeville, Whidbey Island, WA?

Tide data for Coupeville, Whidbey Island, WA is sourced from NOAA Station #9447929. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9447929.

What is the moon phase in Coupeville, Whidbey Island, WA tonight?

Tonight the moon over Coupeville, Whidbey Island, WA is First Quarter (38% illuminated). This places Coupeville, Whidbey Island, 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