Tides Today & Tomorrow in Eureka, CA

TIDE TIMES for Sunday, June 28, 2026
The tide is currently rising in Eureka, CA.
Next low tide : 5:31 pm (3.6 ft)
Next high tide : in 3h 31m at 1:25 pm (5.2 ft)
Sunset today : 8:52 pm
Sunrise tomorrow : 5:47 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #9418801
Common Questions About Tides

Eureka, CA Tides - Jan 2041

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:078.93:453.75:11-1.57:405:00New Moon1Tue
2Wed12:216.110:55 AM9.24:383.75:57-1.97:405:01New Moon2Wed
3Thu1:086.311:45 AM9.25:303.56:43-2.07:405:01New Moon3Thu
4Fri1:536.512:369.06:243.37:29-1.97:405:02Waxing Crescent4Fri
5Sat2:386.71:298.57:203.18:15-1.57:405:03Waxing Crescent5Sat
6Sun3:236.92:257.88:212.99:01-0.87:405:04Waxing Crescent6Sun
7Mon4:097.13:267.09:272.79:460.07:405:05First Quarter7Mon
8Tue4:557.34:356.110:382.410:340.97:405:06First Quarter8Tue
9Wed5:417.55:545.311:541.911:241.87:405:07First Quarter9Wed
10Thu6:297.77:235.01:071.47:405:08First Quarter10Thu
11Fri7:167.98:575.012:182.62:130.87:395:09Waxing Gibbous11Fri
12Sat8:047.910:165.21:173.33:090.37:395:10Waxing Gibbous12Sat
13Sun8:508.011:155.52:183.73:57-0.17:395:12Waxing Gibbous13Sun
14Mon9:358.03:143.94:40-0.47:385:13Waxing Gibbous14Mon
15Tue12:005.810:18 AM8.04:053.95:19-0.57:385:14Full Moon15Tue
16Wed12:375.910:58 AM8.04:503.95:55-0.67:375:15Full Moon16Wed
17Thu1:096.011:37 AM7.95:313.76:30-0.57:375:16Full Moon17Thu
18Fri1:396.012:147.76:103.67:03-0.47:365:17Full Moon18Fri
19Sat2:096.112:507.56:503.57:35-0.27:365:18Waning Gibbous19Sat
20Sun2:396.21:277.17:303.48:050.17:355:20Waning Gibbous20Sun
21Mon3:106.32:076.68:143.28:360.57:355:21Waning Gibbous21Mon
22Tue3:416.42:516.19:033.19:061.17:345:22Waning Gibbous22Tue
23Wed4:136.63:455.59:592.89:371.77:335:23Third Quarter23Wed
24Thu4:476.84:555.011:022.510:132.37:325:24Third Quarter24Thu
25Fri5:257.16:224.612:101.97:325:26Third Quarter25Fri
26Sat6:107.47:574.61:171.37:315:27Third Quarter26Sat
27Sun7:017.79:244.92:190.57:305:28Waning Crescent27Sun
28Mon7:588.110:295.31:143.93:15-0.37:295:29Waning Crescent28Mon
29Tue8:568.511:195.82:273.94:06-1.07:285:30Waning Crescent29Tue
30Wed9:528.83:313.74:55-1.57:275:32New Moon30Wed
31Thu12:036.110:47 AM9.14:293.35:40-1.87:265:33New Moon31Thu
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 3:28 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 spring phase. Tonight's moon is 99% 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 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 Full Moon (99% illuminated). This places Eureka, CA 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