40.8067’ N, 124.1670’ W

Eureka, CA

56°
H 64°
L 51°
SSE
8mph
High tide
11:18 am

Tides Today & Tomorrow in Eureka, CA

TIDE TIMES for Monday, November 9, 2026
The tide is currently rising in Eureka, CA.
Next low tide : 6:04 pm (-0.8 ft)
Next high tide : in 1h 52m at 11:18 am (8.0 ft)
Sunset today : 5:04 pm
Sunrise tomorrow : 6:57 am
Moon phase : New Moon (0% illuminated)
Tide Station Location : Station #9418801
Common Questions About Tides

Eureka, CA Tides - Dec 1982

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:276.411:33 AM8.95:142.76:20-1.77:214:49Full Moon1Wed
2Thu1:196.512:168.96:012.97:08-1.97:224:49Waning Gibbous2Thu
3Fri2:136.51:038.76:513.27:57-1.77:234:49Waning Gibbous3Fri
4Sat3:086.51:558.37:473.38:49-1.47:244:49Waning Gibbous4Sat
5Sun4:056.52:547.68:503.49:43-0.87:254:49Waning Gibbous5Sun
6Mon5:026.64:006.910:023.410:39-0.27:264:49Third Quarter6Mon
7Tue5:596.75:146.211:233.111:370.47:274:48Third Quarter7Tue
8Wed6:537.06:345.712:422.57:284:48Third Quarter8Wed
9Thu7:427.37:555.512:341.01:521.87:294:48Waning Crescent9Thu
10Fri8:267.69:105.51:291.62:511.17:304:49Waning Crescent10Fri
11Sat9:067.810:155.62:212.13:400.57:304:49Waning Crescent11Sat
12Sun9:438.011:115.73:082.54:230.07:314:49Waning Crescent12Sun
13Mon10:188.111:595.93:532.95:02-0.47:324:49New Moon13Mon
14Tue10:528.14:343.25:39-0.67:334:49New Moon14Tue
15Wed12:426.011:25 AM8.05:143.46:15-0.77:334:49New Moon15Wed
16Thu1:216.011:58 AM7.85:523.66:51-0.67:344:50New Moon16Thu
17Fri2:006.012:327.66:313.77:26-0.57:354:50Waxing Crescent17Fri
18Sat2:396.01:077.47:103.88:03-0.37:354:50Waxing Crescent18Sat
19Sun3:196.01:447.07:533.98:410.07:364:51Waxing Crescent19Sun
20Mon4:006.02:256.68:423.99:200.37:364:51Waxing Crescent20Mon
21Tue4:436.13:156.19:403.910:010.77:374:52First Quarter21Tue
22Wed5:266.24:165.610:473.610:451.17:374:52First Quarter22Wed
23Thu6:096.55:325.211:583.211:341.67:384:53First Quarter23Thu
24Fri6:506.96:545.01:052.57:384:53First Quarter24Fri
25Sat7:317.38:145.112:262.02:041.67:394:54Waxing Gibbous25Sat
26Sun8:137.89:265.31:212.42:560.77:394:55Waxing Gibbous26Sun
27Mon8:568.310:305.72:162.73:45-0.27:394:55Waxing Gibbous27Mon
28Tue9:408.811:276.13:102.94:33-1.07:404:56Waxing Gibbous28Tue
29Wed10:269.14:033.15:19-1.67:404:57Full Moon29Wed
30Thu12:206.411:14 AM9.34:553.16:06-1.97:404:57Full Moon30Thu
31Fri1:096.612:039.25:473.16:55-2.17:404:58Full Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9418801)

Common Questions About Eureka, CA Tides

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Is this week a spring tide or neap tide in Eureka, CA?

Eureka, CA 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 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 New Moon (0% 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