Tides Today & Tomorrow in Coupeville, Whidbey Island, WA

TIDE TIMES for Saturday, August 1, 2026
The tide is currently rising in Coupeville, Whidbey Island, WA.
Next low tide (tomorrow) : 2:24 am (4.2 ft)
Next high tide : in 2h 29m at 8:28 pm (11.8 ft)
Sunset today : 8:47 pm
Sunrise tomorrow : 5:46 am
Moon phase : Waning Gibbous (90% illuminated)
Tide Station Location : Station #9447929
Common Questions About Tides

Coupeville, Whidbey Island, WA Tides - Mar 2083

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:1711.12:289.89:436.89:11-0.36:505:55Waxing Gibbous1Mon
2Tue4:3611.43:1810.210:085.99:52-0.46:485:56Full Moon2Tue
3Wed4:5611.74:0710.610:374.710:31-0.16:465:58Full Moon3Wed
4Thu5:1812.04:5810.811:113.411:100.66:445:59Full Moon4Thu
5Fri5:4212.25:5110.911:482.011:501.76:426:01Full Moon5Fri
6Sat6:1012.46:4710.912:290.86:406:02Waning Gibbous6Sat
7Sun6:4112.47:4710.712:323.11:13-0.26:386:04Waning Gibbous7Sun
8Mon7:1412.28:5310.41:164.62:00-0.86:366:05Waning Gibbous8Mon
9Tue7:5211.810:1310.12:066.02:53-0.96:346:07Third Quarter9Tue
10Wed8:3711.111:5910.13:077.33:53-0.76:326:08Third Quarter10Wed
11Thu9:3610.34:358.15:00-0.46:306:10Third Quarter11Thu
12Fri1:4010.510:55 AM9.76:398.06:12-0.16:286:11Waning Crescent12Fri
13Sat2:4411.012:259.38:107.27:210.06:266:13Waning Crescent13Sat
14Sun4:2811.42:469.410:046.29:210.27:247:14Waning Crescent14Sun
15Mon5:0111.63:529.710:455.110:120.47:227:16Waning Crescent15Mon
16Tue5:2811.64:489.911:194.110:550.97:207:17New Moon16Tue
17Wed5:4911.65:3710.111:493.111:341.77:187:19New Moon17Wed
18Thu6:0811.56:2410.212:182.27:167:20New Moon18Thu
19Fri6:2811.47:0810.312:112.612:471.57:147:22New Moon19Fri
20Sat6:5011.37:5210.412:473.61:160.87:127:23Waxing Crescent20Sat
21Sun7:1411.08:3710.41:234.61:480.47:107:25Waxing Crescent21Sun
22Mon7:4210.69:2410.32:015.62:240.27:087:26Waxing Crescent22Mon
23Tue8:1210.210:1710.02:426.43:030.27:057:28Waxing Crescent23Tue
24Wed8:449.711:219.83:287.23:480.57:037:29First Quarter24Wed
25Thu9:229.24:297.84:410.87:017:31First Quarter25Thu
26Fri12:459.710:17 AM8.76:078.05:421.06:597:32First Quarter26Fri
27Sat2:109.911:39 AM8.38:177.76:471.16:577:34First Quarter27Sat
28Sun3:0410.21:038.49:047.17:501.06:557:35Waxing Gibbous28Sun
29Mon3:3810.52:168.79:326.28:450.96:537:37Waxing Gibbous29Mon
30Tue4:0310.93:189.39:595.19:351.06:517:38Waxing Gibbous30Tue
31Wed4:2611.24:149.910:283.710:201.46:497:39Waxing Gibbous31Wed
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 11:26 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 90% 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 Waning Gibbous (90% 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