Tides Today & Tomorrow in North Spit, Humboldt Bay, CA

TIDE TIMES for Friday, August 7, 2026
The tide is currently falling in North Spit, Humboldt Bay, CA.
Next low tide : in 4h 30m at 1:32 am (0.4 ft)
Next high tide : 8:16 am (4.3 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 6:18 am
Moon phase : Third Quarter (42% illuminated)
Tide Station Location : Station #9418767
Common Questions About Tides

North Spit, Humboldt Bay, CA Tides - Jun 1949

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:356.74:125.18:59-1.18:473.44:477:41Waxing Crescent1Wed
2Thu2:316.35:025.39:49-0.810:023.24:477:42First Quarter2Thu
3Fri3:395.85:485.610:41-0.411:212.74:467:43First Quarter3Fri
4Sat4:565.36:336.111:330.14:467:43First Quarter4Sat
5Sun6:194.97:156.612:371.912:260.64:467:44First Quarter5Sun
6Mon7:414.87:577.11:450.91:191.24:457:45Waxing Gibbous6Mon
7Tue8:594.88:397.52:430.02:121.84:457:45Waxing Gibbous7Tue
8Wed10:095.09:217.83:36-0.93:032.24:457:46Waxing Gibbous8Wed
9Thu11:115.210:058.04:26-1.53:542.64:457:46Full Moon9Thu
10Fri12:075.35:13-1.94:442.94:447:47Full Moon10Fri
11Sat12:585.45:59-1.95:343.04:447:47Full Moon11Sat
12Sun1:475.46:44-1.86:233.14:447:48Waning Gibbous12Sun
13Mon12:187.42:345.47:29-1.57:143.24:447:48Waning Gibbous13Mon
14Tue1:046.93:205.38:14-1.18:083.24:447:49Waning Gibbous14Tue
15Wed1:516.44:055.38:58-0.69:063.24:447:49Waning Gibbous15Wed
16Thu2:425.84:495.49:41-0.110:123.14:447:50Third Quarter16Thu
17Fri3:385.25:305.510:250.511:222.84:447:50Third Quarter17Fri
18Sat4:424.66:085.711:081.04:447:50Third Quarter18Sat
19Sun5:554.26:456.012:312.311:52 AM1.64:457:51Third Quarter19Sun
20Mon7:134.17:216.21:311.712:382.14:457:51Waning Crescent20Mon
21Tue8:304.17:576.52:221.11:252.64:457:51Waning Crescent21Tue
22Wed9:384.38:346.83:070.42:133.04:457:51Waning Crescent22Wed
23Thu10:354.69:117.03:48-0.13:003.24:457:51Waning Crescent23Thu
24Fri11:234.89:507.24:28-0.63:453.44:467:52New Moon24Fri
25Sat12:075.05:08-1.04:293.44:467:52New Moon25Sat
26Sun12:495.15:48-1.45:133.44:467:52New Moon26Sun
27Mon1:315.36:29-1.55:593.34:477:52New Moon27Mon
28Tue2:125.47:10-1.66:483.24:477:52Waxing Crescent28Tue
29Wed12:427.32:535.57:52-1.57:433.04:487:52Waxing Crescent29Wed
30Thu1:336.93:355.78:35-1.18:452.84:487:52Waxing Crescent30Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9418767)

Common Questions About North Spit, Humboldt Bay, CA Tides

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What time does the tide turn (slack tide) in North Spit, Humboldt Bay, CA today?

Slack tide in North Spit, Humboldt Bay, CA is approximately 4:54 am — 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 North Spit, Humboldt Bay, CA?

North Spit, Humboldt Bay, CA is currently in a neap phase. Tonight's moon is 42% 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 minimum.

What datum are North Spit, Humboldt Bay, 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 North Spit, Humboldt Bay, CA?

Tide predictions for North Spit, Humboldt Bay, 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 North Spit, Humboldt Bay, CA?

Tide data for North Spit, Humboldt Bay, CA is sourced from NOAA Station #9418767. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9418767.

What is the moon phase in North Spit, Humboldt Bay, CA tonight?

Tonight the moon over North Spit, Humboldt Bay, CA is Third Quarter (42% illuminated). This places North Spit, Humboldt Bay, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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