Tides Today & Tomorrow in Coupeville, Whidbey Island, WA

TIDE TIMES for Wednesday, July 22, 2026
The tide is currently falling in Coupeville, Whidbey Island, WA.
Next low tide : in 3m at 6:37 am (1.1 ft)
Next high tide : 2:22 pm (8.4 ft)
Sunset today : 9:00 pm
Sunrise tomorrow : 5:34 am
Moon phase : First Quarter (63% illuminated)
Tide Station Location : Station #9447929
Common Questions About Tides

Coupeville, Whidbey Island, WA Tides - Aug 1985

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu5:0710.47:4312.012:246.812:00-2.25:468:47Full Moon1Thu
2Fri5:5710.28:1111.81:066.212:41-1.75:478:45Waning Gibbous2Fri
3Sat6:479.88:3811.71:465.61:21-0.95:498:44Waning Gibbous3Sat
4Sun7:389.39:0511.52:275.02:000.25:508:42Waning Gibbous4Sun
5Mon8:328.89:3211.33:084.32:381.55:518:41Waning Gibbous5Mon
6Tue9:328.410:0111.03:513.63:173.05:538:39Third Quarter6Tue
7Wed10:408.010:3310.74:362.93:584.65:548:38Third Quarter7Wed
8Thu12:057.95:242.34:496.05:558:36Third Quarter8Thu
9Fri2:008.36:151.76:027.35:578:35Third Quarter9Fri
10Sat3:439.17:071.17:547.95:588:33Third Quarter10Sat
11Sun12:399.54:409.98:000.59:348.06:008:31Waning Crescent11Sun
12Mon1:349.35:1810.58:50-0.110:267.86:018:30Waning Crescent12Mon
13Tue2:299.45:4910.99:37-0.710:587.66:028:28Waning Crescent13Tue
14Wed3:199.76:1511.210:21-1.311:267.26:048:26New Moon14Wed
15Thu4:0710.16:4011.511:03-1.811:566.66:058:24New Moon15Thu
16Fri4:5410.47:0511.711:45-1.96:068:23New Moon16Fri
17Sat5:4210.57:3211.912:305.812:25-1.76:088:21New Moon17Sat
18Sun6:3410.58:0112.11:094.81:06-1.06:098:19Waxing Crescent18Sun
19Mon7:3110.28:3112.11:523.61:480.26:108:17Waxing Crescent19Mon
20Tue8:329.99:0412.12:382.52:311.86:128:15Waxing Crescent20Tue
21Wed9:419.49:3911.93:281.43:183.56:138:13First Quarter21Wed
22Thu11:019.110:1911.44:220.54:135.36:158:11First Quarter22Thu
23Fri12:449.25:20-0.15:246.96:168:10First Quarter23Fri
24Sat2:389.86:22-0.57:047.76:178:08First Quarter24Sat
25Sun12:0710.43:5710.67:27-0.88:507.76:198:06Waxing Gibbous25Sun
26Mon1:1810.04:5011.28:31-1.010:027.26:208:04Waxing Gibbous26Mon
27Tue2:289.95:3111.59:28-1.210:516.56:218:02Waxing Gibbous27Tue
28Wed3:3110.06:0511.610:18-1.211:315.86:238:00Full Moon28Wed
29Thu4:2610.16:3311.611:03-1.06:247:58Full Moon29Thu
30Fri5:1510.16:5611.512:055.211:43 AM-0.66:267:56Full Moon30Fri
31Sat6:0110.07:1711.312:384.512:210.16:277:54Full Moon31Sat
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 10:29 am — 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 63% 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 (63% 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