Tides Today & Tomorrow in Eureka, CA

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently falling in Eureka, CA.
Next low tide : in 1h 03m at 2:15 pm (2.7 ft)
Next high tide : 9:01 pm (7.2 ft)
Sunset today : 8:52 pm
Sunrise tomorrow : 5:46 am
Moon phase : Waxing Gibbous (77% illuminated)
Tide Station Location : Station #9418801
Common Questions About Tides

Eureka, CA Tides - Dec 2034

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:516.84:056.610:083.010:310.27:214:49Third Quarter1Fri
2Sat5:476.85:155.911:232.811:270.87:224:49Third Quarter2Sat
3Sun6:407.06:325.412:392.47:234:49Third Quarter3Sun
4Mon7:307.17:495.212:241.41:471.97:244:49Waning Crescent4Mon
5Tue8:147.39:015.21:191.92:431.37:254:49Waning Crescent5Tue
6Wed8:547.510:025.42:102.33:300.87:264:48Waning Crescent6Wed
7Thu9:317.610:535.62:572.64:100.47:274:48Waning Crescent7Thu
8Fri10:057.711:375.73:402.94:470.07:284:48New Moon8Fri
9Sat10:397.84:213.05:22-0.27:294:48New Moon9Sat
10Sun12:175.911:13 AM7.84:593.25:57-0.47:304:49New Moon10Sun
11Mon12:546.011:46 AM7.75:363.36:31-0.57:314:49New Moon11Mon
12Tue1:326.112:207.66:143.47:06-0.57:314:49New Moon12Tue
13Wed2:106.112:547.46:533.57:41-0.47:324:49Waxing Crescent13Wed
14Thu2:496.11:317.17:343.58:18-0.27:334:49Waxing Crescent14Thu
15Fri3:306.22:126.88:223.58:570.17:334:49Waxing Crescent15Fri
16Sat4:126.33:026.39:173.59:380.57:344:50Waxing Crescent16Sat
17Sun4:566.54:045.910:223.210:250.97:354:50First Quarter17Sun
18Mon5:426.85:205.511:332.811:171.37:354:50First Quarter18Mon
19Tue6:297.26:435.212:442.17:364:51First Quarter19Tue
20Wed7:177.68:045.312:141.81:481.37:374:51Waxing Gibbous20Wed
21Thu8:058.19:175.61:142.22:460.47:374:52Waxing Gibbous21Thu
22Fri8:548.610:225.92:142.43:38-0.57:384:52Waxing Gibbous22Fri
23Sat9:438.911:206.33:122.64:28-1.27:384:53Full Moon23Sat
24Sun10:329.24:072.65:17-1.67:384:53Full Moon24Sun
25Mon12:126.611:21 AM9.25:012.66:04-1.87:394:54Full Moon25Mon
26Tue1:026.812:109.05:542.66:50-1.77:394:55Full Moon26Tue
27Wed1:507.01:008.66:472.67:36-1.47:394:55Waning Gibbous27Wed
28Thu2:377.11:508.07:422.68:21-0.97:404:56Waning Gibbous28Thu
29Fri3:257.12:437.38:402.79:07-0.27:404:57Waning Gibbous29Fri
30Sat4:137.13:406.59:422.79:530.57:404:58Third Quarter30Sat
31Sun5:017.14:445.810:502.610:451.27:404:58Third Quarter31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9418801)

Common Questions About Eureka, CA Tides

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What time does the tide turn (slack tide) in Eureka, CA today?

Slack tide in Eureka, CA is approximately 5:38 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 Eureka, CA?

Eureka, CA is currently in a transitional phase. Tonight's moon is 77% 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 Eureka, CA 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 Eureka, CA?

Tide predictions for Eureka, CA 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 Eureka, CA?

Tide data for Eureka, CA is sourced from NOAA Station #9418801. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9418801.

What is the moon phase in Eureka, CA tonight?

Tonight the moon over Eureka, CA is Waxing Gibbous (77% illuminated). This places Eureka, CA 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