Tides Today & Tomorrow in Coupeville, Whidbey Island, WA

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently falling in Coupeville, Whidbey Island, WA.
Next low tide : in 7m at 6:20 am (1.6 ft)
Next high tide : 12:48 pm (7.9 ft)
Sunset today : 9:12 pm
Sunrise tomorrow : 5:19 am
Moon phase : Third Quarter (39% illuminated)
Tide Station Location : Station #9447929
Common Questions About Tides

Coupeville, Whidbey Island, WA Tides - Aug 1999

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:009.59:1912.02:374.52:220.15:468:47Waning Gibbous1Sun
2Mon8:589.29:5511.93:243.83:061.35:478:46Waning Gibbous2Mon
3Tue10:038.810:3411.84:152.93:532.75:488:45Third Quarter3Tue
4Wed11:218.511:1811.65:112.04:484.25:508:43Third Quarter4Wed
5Thu12:538.66:111.05:565.55:518:42Third Quarter5Thu
6Fri12:0811.32:319.27:110.17:176.55:528:40Waning Crescent6Fri
7Sat1:0411.23:5210.08:10-0.88:406.85:548:38Waning Crescent7Sat
8Sun2:0211.14:5010.89:06-1.59:506.75:558:37Waning Crescent8Sun
9Mon3:0011.15:3611.49:58-2.010:486.35:568:35New Moon9Mon
10Tue3:5511.16:1611.810:47-2.311:385.75:588:34New Moon10Tue
11Wed4:4911.06:5312.011:33-2.15:598:32New Moon11Wed
12Thu5:4110.87:2712.012:235.212:17-1.76:008:30New Moon12Thu
13Fri6:3210.58:0111.91:074.61:00-0.96:028:28Waxing Crescent13Fri
14Sat7:2410.08:3411.81:514.01:420.16:038:27Waxing Crescent14Sat
15Sun8:189.59:0811.52:353.52:241.46:048:25Waxing Crescent15Sun
16Mon9:159.09:4311.13:213.03:082.76:068:23Waxing Crescent16Mon
17Tue10:188.610:2110.74:082.63:564.16:078:21First Quarter17Tue
18Wed11:358.311:0410.24:592.34:525.46:098:20First Quarter18Wed
19Thu1:128.45:532.06:066.46:108:18First Quarter19Thu
20Fri2:508.96:501.77:426.96:118:16First Quarter20Fri
21Sat12:489.43:569.67:461.29:066.96:138:14Waxing Gibbous21Sat
22Sun1:459.34:4010.18:380.810:016.76:148:12Waxing Gibbous22Sun
23Mon2:399.45:1310.59:240.310:386.46:158:10Waxing Gibbous23Mon
24Tue3:269.65:4010.810:06-0.111:076.06:178:08Waxing Gibbous24Tue
25Wed4:099.96:0411.110:45-0.511:355.56:188:06Full Moon25Wed
26Thu4:5110.26:2911.311:23-0.66:208:05Full Moon26Thu
27Fri5:3310.46:5511.512:064.912:01-0.66:218:03Full Moon27Fri
28Sat6:1810.57:2511.712:414.112:40-0.26:228:01Waning Gibbous28Sat
29Sun7:0610.57:5711.81:193.31:200.56:247:59Waning Gibbous29Sun
30Mon7:5810.38:3111.72:012.42:021.66:257:57Waning Gibbous30Mon
31Tue8:5610.09:0811.62:471.72:482.86:267:55Waning Gibbous31Tue
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 9:34 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 39% 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 Third Quarter (39% 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