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

TIDE TIMES for Thursday, July 23, 2026
The tide is currently rising in North Spit, Humboldt Bay, CA.
Next low tide (tomorrow) : 3:19 am (0.5 ft)
Next high tide : in 1h 23m at 7:48 pm (6.6 ft)
Sunset today : 8:41 pm
Sunrise tomorrow : 6:05 am
Moon phase : Waxing Gibbous (72% illuminated)
Tide Station Location : Station #9418767
Common Questions About Tides

North Spit, Humboldt Bay, CA Tides - Nov 1973

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu4:285.12:515.89:123.810:080.76:475:13First Quarter1Thu
2Fri5:235.13:545.410:253.811:010.96:485:12First Quarter2Fri
3Sat6:145.35:085.111:443.511:551.26:495:11First Quarter3Sat
4Sun6:585.66:235.012:543.06:515:09First Quarter4Sun
5Mon7:366.07:335.012:461.41:512.36:525:08Waxing Gibbous5Mon
6Tue8:116.48:385.21:331.62:391.56:535:07Waxing Gibbous6Tue
7Wed8:456.99:365.42:171.83:230.66:545:06Waxing Gibbous7Wed
8Thu9:197.310:305.63:002.14:05-0.26:555:05Waxing Gibbous8Thu
9Fri9:557.811:225.83:422.34:48-0.96:575:04Full Moon9Fri
10Sat10:328.14:252.65:32-1.46:585:03Full Moon10Sat
11Sun12:145.911:13 AM8.35:092.86:17-1.76:595:02Full Moon11Sun
12Mon1:055.911:57 AM8.25:552.97:05-1.77:005:01Waning Gibbous12Mon
13Tue1:585.912:468.06:453.17:55-1.57:015:00Waning Gibbous13Tue
14Wed2:535.81:407.67:423.28:47-1.17:024:59Waning Gibbous14Wed
15Thu3:505.82:407.08:483.29:42-0.67:044:58Third Quarter15Thu
16Fri4:476.03:506.310:033.110:390.07:054:58Third Quarter16Fri
17Sat5:436.25:085.711:252.711:360.67:064:57Third Quarter17Sat
18Sun6:356.56:305.312:442.17:074:56Third Quarter18Sun
19Mon7:226.97:505.112:331.11:511.47:084:55Waning Crescent19Mon
20Tue8:057.29:025.21:271.72:470.67:094:55Waning Crescent20Tue
21Wed8:447.410:055.32:172.23:350.07:114:54Waning Crescent21Wed
22Thu9:217.610:585.43:042.64:18-0.47:124:54Waning Crescent22Thu
23Fri9:577.611:455.53:482.94:57-0.77:134:53New Moon23Fri
24Sat10:327.64:303.25:35-0.87:144:52New Moon24Sat
25Sun12:275.611:06 AM7.55:103.36:12-0.87:154:52New Moon25Sun
26Mon1:075.611:40 AM7.35:493.56:48-0.67:164:51New Moon26Mon
27Tue1:465.512:167.16:283.67:25-0.57:174:51Waxing Crescent27Tue
28Wed2:255.512:536.77:083.78:03-0.27:184:51Waxing Crescent28Wed
29Thu3:065.51:326.47:543.78:410.17:194:50Waxing Crescent29Thu
30Fri3:485.52:175.98:473.79:210.57:204:50Waxing Crescent30Fri
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 11:33 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 North Spit, Humboldt Bay, CA?

North Spit, Humboldt Bay, CA is currently in a transitional phase. Tonight's moon is 72% 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 Waxing Gibbous (72% 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