47.3583’ N, 123.0980’ W

Union, WA

52°
H -°
L 49°
NW
1mph
Low tide
12:29 am

Tides Today & Tomorrow in Union, WA

TIDE TIMES for Thursday, November 12, 2026
The tide is currently falling in Union, WA.
Next low tide (tomorrow) : in 5h 22m at 12:29 am (-0.7 ft)
Next high tide (tomorrow) : 8:19 am (12.3 ft)
Sunset today : 4:40 pm
Sunrise tomorrow : 7:12 am
Moon phase : Waxing Crescent (11% illuminated)
Tide Station Location : Station #9445478
Common Questions About Tides

Union, WA Tides - Nov 1861

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:4011.52:3512.19:055.39:34-1.77:035:02New Moon1Fri
2Sat4:3512.53:0712.29:586.110:16-2.87:055:01New Moon2Sat
3Sun5:2813.23:4212.110:506.811:00-3.47:064:59New Moon3Sun
4Mon6:2113.54:1911.911:437.411:46-3.47:084:58Waxing Crescent4Mon
5Tue7:1613.54:5911.412:387.87:094:56Waxing Crescent5Tue
6Wed8:1113.35:4210.612:34-2.81:397.97:114:55Waxing Crescent6Wed
7Thu9:0712.96:349.61:26-1.92:467.77:124:53First Quarter7Thu
8Fri10:0212.67:498.52:20-0.63:587.17:144:52First Quarter8Fri
9Sat10:5512.39:547.73:170.85:096.17:154:51First Quarter9Sat
10Sun11:4212.211:447.74:172.26:114.97:174:49First Quarter10Sun
11Mon12:2312.05:203.57:003.67:184:48Waxing Gibbous11Mon
12Tue1:098.31:0011.96:204.67:412.37:204:47Waxing Gibbous12Tue
13Wed2:159.21:3211.77:175.58:181.27:214:46Waxing Gibbous13Wed
14Thu3:1110.12:0111.68:106.28:540.47:234:45Waxing Gibbous14Thu
15Fri3:5811.02:2811.49:016.89:28-0.37:244:43Full Moon15Fri
16Sat4:4011.72:5211.29:497.210:02-0.87:264:42Full Moon16Sat
17Sun5:2112.23:1411.010:347.510:37-1.17:274:41Full Moon17Sun
18Mon6:0112.53:3810.711:197.811:11-1.17:294:40Full Moon18Mon
19Tue6:4212.64:0410.412:058.07:304:39Waning Gibbous19Tue
20Wed7:2512.64:3310.012:548.17:314:38Waning Gibbous20Wed
21Thu8:0812.65:079.612:21-0.71:488.17:334:37Waning Gibbous21Thu
22Fri8:5012.55:488.912:57-0.22:467.97:344:37Waning Gibbous22Fri
23Sat9:3112.36:428.21:360.43:457.37:364:36Third Quarter23Sat
24Sun10:1012.28:037.52:201.34:426.37:374:35Third Quarter24Sun
25Mon10:4612.110:187.23:112.45:325.07:384:34Third Quarter25Mon
26Tue11:2012.14:133.66:173.47:404:34Third Quarter26Tue
27Wed12:227.911:52 AM12.15:244.97:001.67:414:33Waning Crescent27Wed
28Thu1:429.212:2612.16:356.07:43-0.27:424:32Waning Crescent28Thu
29Fri2:4810.71:0212.27:426.98:27-1.87:444:32Waning Crescent29Fri
30Sat3:4512.01:4112.38:447.69:11-3.07:454:31New Moon30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9445478)

Common Questions About Union, WA Tides

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Is this week a spring tide or neap tide in Union, WA?

Union, WA is currently in a spring phase. Tonight's moon is 11% 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 Waxing Crescent (11% 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