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

TIDE TIMES for Sunday, June 21, 2026
The tide is currently falling in North Spit, Humboldt Bay, CA.
Next low tide (tomorrow) : in 1h 25m at 11:32 pm (2.2 ft)
Next high tide : 5:13 am (5.3 ft)
Sunset today : 8:51 pm
Sunrise tomorrow : 5:45 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9418767
Common Questions About Tides

North Spit, Humboldt Bay, CA Tides - Aug 2033

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:075.14:486.110:061.611:132.06:148:32First Quarter1Mon
2Tue5:054.75:306.210:442.16:158:31First Quarter2Tue
3Wed6:134.46:186.212:141.811:30 AM2.66:168:29First Quarter3Wed
4Thu7:314.27:106.31:191.612:272.96:178:28First Quarter4Thu
5Fri8:484.48:046.52:211.21:343.16:188:27Waxing Gibbous5Fri
6Sat9:534.68:576.83:150.72:393.16:188:26Waxing Gibbous6Sat
7Sun10:445.09:487.14:040.23:373.06:198:25Waxing Gibbous7Sun
8Mon11:285.410:377.44:48-0.34:302.66:208:23Waxing Gibbous8Mon
9Tue12:075.75:30-0.75:202.36:218:22Full Moon9Tue
10Wed12:466.16:10-0.96:081.86:228:21Full Moon10Wed
11Thu12:147.61:246.56:50-0.96:571.46:238:20Full Moon11Thu
12Fri1:037.52:036.87:31-0.77:481.16:248:18Waning Gibbous12Fri
13Sat1:547.22:447.08:12-0.48:410.96:258:17Waning Gibbous13Sat
14Sun2:486.73:277.28:550.29:380.76:268:16Waning Gibbous14Sun
15Mon3:476.14:147.29:400.910:400.66:278:14Third Quarter15Mon
16Tue4:535.55:067.210:311.611:470.66:288:13Third Quarter16Tue
17Wed6:085.16:037.111:292.26:298:11Third Quarter17Wed
18Thu7:304.97:057.012:590.512:362.76:308:10Third Quarter18Thu
19Fri8:515.08:097.02:090.31:492.96:318:08Waning Crescent19Fri
20Sat9:595.29:107.03:120.12:582.86:328:07Waning Crescent20Sat
21Sun10:525.510:057.04:06-0.13:582.66:338:05Waning Crescent21Sun
22Mon11:355.810:547.04:53-0.24:492.36:348:04Waning Crescent22Mon
23Tue12:116.05:33-0.25:352.06:358:02New Moon23Tue
24Wed12:436.16:10-0.16:161.86:368:01New Moon24Wed
25Thu12:196.81:136.26:440.16:551.66:377:59New Moon25Thu
26Fri12:596.61:426.37:170.47:341.56:387:58New Moon26Fri
27Sat1:376.32:126.37:480.88:131.46:397:56Waxing Crescent27Sat
28Sun2:176.02:426.38:191.28:531.46:407:55Waxing Crescent28Sun
29Mon2:595.63:146.38:511.79:371.46:417:53Waxing Crescent29Mon
30Tue3:465.23:506.29:232.110:251.46:427:52Waxing Crescent30Tue
31Wed4:404.94:316.210:002.611:221.46:437:50First Quarter31Wed
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 2:22 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 transitional phase. Tonight's moon is 38% 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 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 First Quarter (38% illuminated). This places North Spit, Humboldt Bay, 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