Tides Today & Tomorrow in Collinsville, CA

TIDE TIMES for Tuesday, July 21, 2026
The tide is currently falling in Collinsville, CA.
Next low tide : in 5h 21m at 3:11 pm (0.9 ft)
Next high tide : 9:51 pm (3.9 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 6:01 am
Moon phase : First Quarter (53% illuminated)
Tide Station Location : Station #9415176
Common Questions About Tides

Collinsville, CA Tides - Sep 1983

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:482.89:554.25:310.64:121.76:367:37Third Quarter1Thu
2Fri12:543.06:430.45:261.86:377:36Waning Crescent2Fri
3Sat1:493.27:420.26:391.76:387:34Waning Crescent3Sat
4Sun12:154.42:373.38:320.07:461.66:397:33Waning Crescent4Sun
5Mon1:214.43:203.59:18-0.18:471.36:407:31New Moon5Mon
6Tue2:214.54:003.610:00-0.19:451.16:417:30New Moon6Tue
7Wed3:174.44:373.710:39-0.110:400.86:427:28New Moon7Wed
8Thu4:124.25:133.811:150.111:350.66:427:27Waxing Crescent8Thu
9Fri5:084.05:483.811:500.36:437:25Waxing Crescent9Fri
10Sat6:063.76:233.912:300.512:250.56:447:24Waxing Crescent10Sat
11Sun7:093.36:593.91:280.41:020.86:457:22Waxing Crescent11Sun
12Mon8:183.17:403.82:300.41:451.16:467:21First Quarter12Mon
13Tue9:323.08:303.73:380.42:361.46:477:19First Quarter13Tue
14Wed10:453.09:323.64:480.43:411.66:487:17First Quarter14Wed
15Thu11:513.110:433.65:530.34:541.76:487:16First Quarter15Thu
16Fri12:493.26:510.16:031.76:497:14Waxing Gibbous16Fri
17Sat1:383.47:410.17:031.66:507:13Waxing Gibbous17Sat
18Sun12:463.62:213.58:230.07:561.46:517:11Waxing Gibbous18Sun
19Mon1:333.62:593.59:010.08:421.26:527:10Waxing Gibbous19Mon
20Tue2:163.63:313.59:330.19:251.16:537:08Full Moon20Tue
21Wed2:553.63:583.59:590.210:050.96:547:06Full Moon21Wed
22Thu3:343.54:183.510:220.310:420.86:547:05Full Moon22Thu
23Fri4:133.44:323.610:420.511:170.76:557:03Full Moon23Fri
24Sat4:553.34:493.711:050.611:510.66:567:02Waning Gibbous24Sat
25Sun5:413.15:153.911:350.86:577:00Waning Gibbous25Sun
26Mon6:353.05:494.012:290.512:111.06:586:59Waning Gibbous26Mon
27Tue7:432.86:304.11:140.512:551.26:596:57Waning Gibbous27Tue
28Wed9:052.77:204.12:150.51:471.57:006:56Third Quarter28Wed
29Thu10:252.78:214.03:400.52:531.77:016:54Third Quarter29Thu
30Fri11:342.99:343.95:050.44:121.77:016:52Third Quarter30Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415176)

Common Questions About Collinsville, CA Tides

Show All
What time does the tide turn (slack tide) in Collinsville, CA today?

Slack tide in Collinsville, CA is approximately 6:31 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 Collinsville, CA?

Collinsville, CA is currently in a neap phase. Tonight's moon is 53% 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 Collinsville, 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 Collinsville, CA?

Tide predictions for Collinsville, 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 Collinsville, CA?

Tide data for Collinsville, CA is sourced from NOAA Station #9415176. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415176.

What is the moon phase in Collinsville, CA tonight?

Tonight the moon over Collinsville, CA is First Quarter (53% illuminated). This places Collinsville, 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