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 5h 42m 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 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu8:459.911:1011.43:426.53:42-1.35:508:25First Quarter1Thu
2Fri9:489.24:566.64:41-0.65:488:26First Quarter2Fri
3Sat12:1611.411:08 AM8.56:216.15:450.35:468:28First Quarter3Sat
4Sun1:1911.412:408.37:405.26:541.15:458:29First Quarter4Sun
5Mon2:1411.62:108.58:413.98:011.85:438:31Waxing Gibbous5Mon
6Tue2:5911.73:289.09:292.69:042.55:428:32Waxing Gibbous6Tue
7Wed3:3811.84:339.710:101.310:003.25:408:33Waxing Gibbous7Wed
8Thu4:1211.75:2910.310:480.210:523.95:398:35Full Moon8Thu
9Fri4:4411.66:2010.811:23-0.611:404.65:378:36Full Moon9Fri
10Sat5:1711.37:0611.211:58-1.15:368:37Full Moon10Sat
11Sun5:5010.97:5011.412:275.312:32-1.45:358:39Full Moon11Sun
12Mon6:2410.58:3311.51:145.81:08-1.45:338:40Waning Gibbous12Mon
13Tue7:029.99:1511.42:026.21:46-1.25:328:41Waning Gibbous13Tue
14Wed7:429.49:5811.32:536.52:26-0.85:318:43Waning Gibbous14Wed
15Thu8:288.710:4511.13:516.63:08-0.15:298:44Waning Gibbous15Thu
16Fri9:218.111:3411.04:586.53:550.65:288:45Third Quarter16Fri
17Sat10:257.66:136.24:461.45:278:47Third Quarter17Sat
18Sun12:2410.911:41 AM7.27:205.55:432.25:268:48Third Quarter18Sun
19Mon1:1110.81:027.28:084.76:432.95:258:49Third Quarter19Mon
20Tue1:5310.92:187.68:443.77:433.55:238:50Waning Crescent20Tue
21Wed2:2911.03:228.39:152.68:404.15:228:52Waning Crescent21Wed
22Thu3:0211.14:169.19:451.59:324.65:218:53Waning Crescent22Thu
23Fri3:3411.25:059.910:180.210:215.15:208:54Waning Crescent23Fri
24Sat4:0611.35:5210.710:52-0.911:095.55:198:55New Moon24Sat
25Sun4:3911.36:3811.311:30-1.911:566.05:198:56New Moon25Sun
26Mon5:1611.37:2611.812:11-2.65:188:57New Moon26Mon
27Tue5:5611.18:1512.112:466.312:54-3.05:178:58Waxing Crescent27Tue
28Wed6:4210.89:0612.31:386.51:41-2.95:168:59Waxing Crescent28Wed
29Thu7:3410.39:5812.32:366.52:30-2.55:159:00Waxing Crescent29Thu
30Fri8:339.610:5212.23:406.33:22-1.65:159:01First Quarter30Fri
31Sat9:438.811:4612.14:525.84:19-0.45:149:02First Quarter31Sat
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