Tides Today & Tomorrow in Coupeville, Whidbey Island, WA

TIDE TIMES for Saturday, July 25, 2026
The tide is currently falling in Coupeville, Whidbey Island, WA.
Next low tide : in 3h 40m at 9:06 am (-0.3 ft)
Next high tide : 5:39 pm (10.9 ft)
Sunset today : 8:56 pm
Sunrise tomorrow : 5:37 am
Moon phase : Waxing Gibbous (87% illuminated)
Tide Station Location : Station #9447929
Common Questions About Tides

Coupeville, Whidbey Island, WA Tides - Sep 2072

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:039.88:2110.91:582.61:582.86:307:50Waning Gibbous1Thu
2Fri8:499.68:5310.72:362.12:363.76:317:48Waning Gibbous2Fri
3Sat9:419.49:2910.43:181.83:184.66:337:46Third Quarter3Sat
4Sun10:429.210:1010.04:051.54:085.66:347:44Third Quarter4Sun
5Mon11:549.111:009.74:581.25:126.46:357:42Third Quarter5Mon
6Tue1:189.45:580.96:346.86:377:40Third Quarter6Tue
7Wed12:029.62:349.97:010.57:566.76:387:38Waning Crescent7Wed
8Thu1:119.73:3010.48:020.09:016.16:397:36Waning Crescent8Thu
9Fri2:1710.04:1311.09:00-0.59:525.26:417:34Waning Crescent9Fri
10Sat3:1910.54:5111.59:53-0.710:374.26:427:32Waning Crescent10Sat
11Sun4:1611.05:2811.910:42-0.711:213.16:447:29New Moon11Sun
12Mon5:1111.36:0412.111:30-0.46:457:27New Moon12Mon
13Tue6:0711.46:4112.212:052.012:170.46:467:25New Moon13Tue
14Wed7:0311.47:2012.112:501.11:041.46:487:23Waxing Crescent14Wed
15Thu8:0111.28:0011.81:360.41:532.66:497:21Waxing Crescent15Thu
16Fri9:0310.88:4311.32:250.12:453.96:507:19Waxing Crescent16Fri
17Sat10:1010.49:3110.63:150.03:455.06:527:17First Quarter17Sat
18Sun11:2710.110:269.94:100.34:585.96:537:15First Quarter18Sun
19Mon12:5510.15:090.76:336.36:557:13First Quarter19Mon
20Tue2:1710.36:151.18:066.06:567:11First Quarter20Tue
21Wed12:498.83:1810.67:221.39:115.56:577:09Waxing Gibbous21Wed
22Thu2:048.84:0210.88:251.49:584.86:597:06Waxing Gibbous22Thu
23Fri3:069.14:3510.99:181.510:334.27:007:04Waxing Gibbous23Fri
24Sat3:589.45:0110.910:031.611:013.77:017:02Waxing Gibbous24Sat
25Sun4:419.75:2210.810:411.811:263.17:037:00Full Moon25Sun
26Mon5:2010.05:4210.911:162.111:502.57:046:58Full Moon26Mon
27Tue5:5710.26:0510.911:502.67:066:56Full Moon27Tue
28Wed6:3410.46:3010.812:171.912:243.17:076:54Full Moon28Wed
29Thu7:1310.56:5810.712:471.312:593.77:096:52Waning Gibbous29Thu
30Fri7:5410.67:2910.51:200.91:374.37:106:50Waning Gibbous30Fri
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 1:22 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 spring phase. Tonight's moon is 87% 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 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 Waxing Gibbous (87% illuminated). This places Coupeville, Whidbey Island, 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