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 21m 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 - May 2024

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:2311.98:56 AM8.26:287.75:130.65:548:24Third Quarter1Wed
2Thu1:1112.010:54 AM7.57:256.56:211.35:528:25Third Quarter2Thu
3Fri1:5112.11:237.88:114.97:272.15:518:27Waning Crescent3Fri
4Sat2:2612.12:518.98:533.08:293.05:498:28Waning Crescent4Sat
5Sun2:5812.24:0010.19:331.19:274.15:488:29Waning Crescent5Sun
6Mon3:2812.25:0111.310:14-0.710:235.15:468:31New Moon6Mon
7Tue3:5812.15:5812.310:55-2.011:176.15:458:32New Moon7Tue
8Wed4:2811.96:5112.911:36-2.95:438:33New Moon8Wed
9Thu4:5811.77:4513.112:097.012:18-3.25:428:35New Moon9Thu
10Fri5:2911.28:3913.01:027.61:02-2.95:408:36Waxing Crescent10Fri
11Sat6:0010.79:3312.71:578.11:46-2.35:398:37Waxing Crescent11Sat
12Sun6:329.910:2812.42:588.32:33-1.45:388:39Waxing Crescent12Sun
13Mon7:089.111:2212.14:058.13:23-0.35:368:40First Quarter13Mon
14Tue7:558.15:187.74:150.85:358:41First Quarter14Tue
15Wed12:1211.89:22 AM7.26:296.85:111.95:348:43First Quarter15Wed
16Thu12:5611.612:136.97:255.76:102.95:338:44First Quarter16Thu
17Fri1:3311.51:477.38:064.47:083.95:328:45Waxing Gibbous17Fri
18Sat2:0411.42:578.18:423.28:034.75:318:46Waxing Gibbous18Sat
19Sun2:3211.33:559.19:161.98:565.55:298:47Waxing Gibbous19Sun
20Mon2:5611.24:4610.19:490.79:486.25:288:49Waxing Gibbous20Mon
21Tue3:1711.05:3211.010:22-0.310:386.85:278:50Full Moon21Tue
22Wed3:3710.96:1611.710:56-1.111:277.45:268:51Full Moon22Wed
23Thu3:5810.77:0012.211:30-1.75:258:52Full Moon23Thu
24Fri4:2210.67:4512.612:157.812:05-2.15:258:53Full Moon24Fri
25Sat4:5110.48:3112.71:048.212:42-2.25:248:54Waning Gibbous25Sat
26Sun5:2310.19:1912.81:578.41:21-2.25:238:55Waning Gibbous26Sun
27Mon6:019.710:0612.72:558.42:04-1.85:228:56Waning Gibbous27Mon
28Tue6:479.010:5212.63:578.12:51-1.25:218:57Waning Gibbous28Tue
29Wed7:508.211:3512.55:007.33:42-0.25:218:58Third Quarter29Wed
30Thu9:247.36:006.14:401.15:208:59Third Quarter30Thu
31Fri12:1412.311:52 AM7.06:524.55:432.65:199:00Third Quarter31Fri
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