Tides Today & Tomorrow in Union, WA

TIDE TIMES for Sunday, June 14, 2026
The tide is currently falling in Union, WA.
Next low tide : in 7h 46m at 10:40 am (-4.1 ft)
Next high tide : 6:22 pm (13.1 ft)
Sunset today : 9:10 pm
Sunrise tomorrow : 5:15 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9445478
Common Questions About Tides

Union, WA Tides - Apr 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:5210.04:028.23:560.46:497:42First Quarter1Sat
2Sun12:0010.98:40 AM9.65:208.44:590.66:477:44First Quarter2Sun
3Mon1:0511.29:50 AM9.06:407.96:080.76:457:45First Quarter3Mon
4Tue1:5611.511:46 AM8.67:446.97:150.96:437:47Waxing Gibbous4Tue
5Wed2:3811.81:509.08:355.58:171.36:417:48Waxing Gibbous5Wed
6Thu3:1512.03:109.89:213.89:141.86:397:49Waxing Gibbous6Thu
7Fri3:4812.24:1710.810:042.010:082.66:377:51Waxing Gibbous7Fri
8Sat4:2112.35:1611.710:460.410:583.56:357:52Full Moon8Sat
9Sun4:5212.36:1212.311:28-0.911:474.66:337:54Full Moon9Sun
10Mon5:2312.17:0612.612:10-1.76:317:55Full Moon10Mon
11Tue5:5311.98:0112.612:365.612:52-1.96:297:56Waning Gibbous11Tue
12Wed6:2211.48:5712.31:256.51:37-1.76:277:58Waning Gibbous12Wed
13Thu6:5210.89:5511.92:187.22:23-1.16:257:59Waning Gibbous13Thu
14Fri7:2410.210:5611.63:167.73:13-0.36:238:01Third Quarter14Fri
15Sat8:019.411:5911.34:227.94:070.66:228:02Third Quarter15Sat
16Sun8:528.55:367.75:051.56:208:03Third Quarter16Sun
17Mon12:5611.210:46 AM7.86:507.06:072.26:188:05Third Quarter17Mon
18Tue1:4311.212:587.77:486.17:062.86:168:06Waning Crescent18Tue
19Wed2:2111.22:168.28:335.08:013.46:148:07Waning Crescent19Wed
20Thu2:5411.23:178.99:113.88:523.96:128:09Waning Crescent20Thu
21Fri3:2311.24:119.79:462.69:404.46:118:10Waning Crescent21Fri
22Sat3:4911.24:5810.510:201.510:255.06:098:12Waning Crescent22Sat
23Sun4:1311.15:4311.110:530.611:095.66:078:13New Moon23Sun
24Mon4:3311.06:2611.711:26-0.211:536.26:058:14New Moon24Mon
25Tue4:5210.87:1012.012:00-0.76:048:16New Moon25Tue
26Wed5:1210.77:5612.212:366.812:34-1.16:028:17Waxing Crescent26Wed
27Thu5:3710.58:4512.21:227.31:10-1.26:008:19Waxing Crescent27Thu
28Fri6:0610.29:3712.12:127.81:50-1.25:598:20Waxing Crescent28Fri
29Sat6:429.810:3112.03:098.12:35-0.95:578:21Waxing Crescent29Sat
30Sun7:279.311:2512.04:148.03:27-0.45:558:23First Quarter30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9445478)

Common Questions About Union, WA Tides

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What time does the tide turn (slack tide) in Union, WA today?

Slack tide in Union, WA is approximately 2:31 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 Union, WA?

Union, WA is currently in a spring phase. Tonight's moon is 0% 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 Union, 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 Union, WA?

Tide predictions for Union, 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 Union, WA?

Tide data for Union, WA is sourced from NOAA Station #9445478. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9445478.

What is the moon phase in Union, WA tonight?

Tonight the moon over Union, WA is New Moon (0% illuminated). This places Union, 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