Tides Today & Tomorrow in Coupeville, Whidbey Island, WA

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in Coupeville, Whidbey Island, WA.
Next low tide : in 39m at 4:42 pm (2.2 ft)
Next high tide : 11:50 pm (11.9 ft)
Sunset today : 9:15 pm
Sunrise tomorrow : 5:10 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9447929
Common Questions About Tides

Coupeville, Whidbey Island, WA Tides - May 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:0811.011:38 AM8.17:196.76:250.55:508:25First Quarter1Fri
2Sat2:0111.21:098.28:185.67:310.95:488:26Waxing Gibbous2Sat
3Sun2:4411.52:318.79:034.18:331.45:478:28Waxing Gibbous3Sun
4Mon3:2111.83:429.59:442.59:302.15:458:29Waxing Gibbous4Mon
5Tue3:5512.04:4510.310:240.810:242.95:438:30Waxing Gibbous5Tue
6Wed4:2912.25:4511.011:04-0.711:153.95:428:32Full Moon6Wed
7Thu5:0312.26:4311.611:45-1.95:408:33Full Moon7Thu
8Fri5:4012.07:3911.912:074.812:27-2.75:398:34Full Moon8Fri
9Sat6:1811.58:3512.11:005.71:10-2.95:378:36Waning Gibbous9Sat
10Sun7:0010.99:3212.01:566.41:54-2.65:368:37Waning Gibbous10Sun
11Mon7:4610.110:3011.82:596.92:41-2.05:358:39Waning Gibbous11Mon
12Tue8:399.211:3111.64:137.03:32-1.05:338:40Third Quarter12Tue
13Wed9:428.35:436.74:260.15:328:41Third Quarter13Wed
14Thu12:3211.411:01 AM7.67:096.15:261.25:318:43Third Quarter14Thu
15Fri1:2711.212:337.38:125.16:312.15:298:44Third Quarter15Fri
16Sat2:1211.12:027.48:584.17:363.05:288:45Waning Crescent16Sat
17Sun2:4811.03:177.99:333.18:363.75:278:46Waning Crescent17Sun
18Mon3:1610.94:178.610:022.29:294.35:268:48Waning Crescent18Mon
19Tue3:4110.85:079.310:271.310:155.05:258:49Waning Crescent19Tue
20Wed4:0410.75:519.910:510.410:575.65:248:50New Moon20Wed
21Thu4:2810.76:3010.411:17-0.411:376.25:238:51New Moon21Thu
22Fri4:5410.57:0810.911:46-1.15:218:53New Moon22Fri
23Sat5:2210.47:4511.312:176.712:18-1.65:208:54New Moon23Sat
24Sun5:5110.28:2511.512:587.012:54-1.95:208:55Waxing Crescent24Sun
25Mon6:249.99:0811.71:427.31:33-2.05:198:56Waxing Crescent25Mon
26Tue7:029.69:5411.72:317.42:16-1.95:188:57Waxing Crescent26Tue
27Wed7:489.210:4311.73:267.43:03-1.55:178:58Waxing Crescent27Wed
28Thu8:468.711:3311.74:307.13:55-0.95:168:59First Quarter28Thu
29Fri10:038.15:406.54:510.05:159:00First Quarter29Fri
30Sat12:2311.711:32 AM7.86:475.45:521.15:159:01First Quarter30Sat
31Sun1:0911.81:077.87:444.06:562.25:149:02First Quarter31Sun
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 8:16 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 neap phase. Tonight's moon is 49% 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 minimum.

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 (49% illuminated). This places Coupeville, Whidbey Island, WA in a neap tide cycle, so tidal ranges are near their weekly minimum 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