Tides Today & Tomorrow in Bolinas, CA

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Bolinas, CA.
Next low tide : in 2h 47m at 12:06 pm (2.2 ft)
Next high tide : 7:11 pm (4.0 ft)
Sunset today : 7:55 pm
Sunrise tomorrow : 6:31 am
Moon phase : First Quarter (66% illuminated)
Tide Station Location : Station #9414958
Common Questions About Tides

Bolinas, CA Tides - Jun 1928

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri10:572.410:044.25:21-0.13:251.54:497:27Full Moon1Fri
2Sat11:482.410:244.26:03-0.33:531.74:497:27Full Moon2Sat
3Sun12:372.46:42-0.44:301.94:497:28Full Moon3Sun
4Mon1:262.57:19-0.55:142.04:487:29Full Moon4Mon
5Tue2:122.67:55-0.56:032.04:487:29Waning Gibbous5Tue
6Wed2:572.68:32-0.56:552.04:487:30Waning Gibbous6Wed
7Thu12:334.23:412.79:09-0.47:512.04:487:30Waning Gibbous7Thu
8Fri1:214.14:242.99:48-0.38:532.04:477:31Waning Gibbous8Fri
9Sat2:163.85:063.110:29-0.110:071.94:477:31Third Quarter9Sat
10Sun3:223.55:483.311:110.011:351.84:477:32Third Quarter10Sun
11Mon4:423.16:293.611:520.24:477:32Third Quarter11Mon
12Tue6:112.97:093.91:021.412:310.54:477:33Third Quarter12Tue
13Wed7:322.67:504.32:181.01:100.74:477:33Waning Crescent13Wed
14Thu8:442.58:304.63:240.51:491.04:477:34Waning Crescent14Thu
15Fri9:512.59:124.94:240.02:311.24:477:34Waning Crescent15Fri
16Sat10:532.59:555.05:19-0.43:191.44:477:34New Moon16Sat
17Sun11:522.610:395.06:10-0.74:161.64:477:35New Moon17Sun
18Mon12:492.76:57-0.95:201.74:477:35New Moon18Mon
19Tue1:442.97:42-0.96:251.84:487:35Waxing Crescent19Tue
20Wed12:134.72:383.18:25-0.87:291.84:487:36Waxing Crescent20Wed
21Thu1:034.43:293.39:06-0.68:341.94:487:36Waxing Crescent21Thu
22Fri1:584.04:193.59:47-0.49:431.84:487:36Waxing Crescent22Fri
23Sat2:593.65:073.710:27-0.110:571.74:487:36First Quarter23Sat
24Sun4:083.25:543.811:070.24:497:36First Quarter24Sun
25Mon5:222.86:394.012:141.511:45 AM0.64:497:36First Quarter25Mon
26Tue6:372.67:204.11:271.212:200.94:497:36First Quarter26Tue
27Wed7:492.47:584.22:310.812:541.24:507:37Waxing Gibbous27Wed
28Thu8:562.48:314.33:280.51:261.54:507:37Waxing Gibbous28Thu
29Fri9:572.49:014.34:170.12:011.74:507:37Waxing Gibbous29Fri
30Sat10:522.59:294.45:02-0.12:391.94:517:37Waxing Gibbous30Sat
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9414958)

Common Questions About Bolinas, CA Tides

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What time does the tide turn (slack tide) in Bolinas, CA today?

Slack tide in Bolinas, CA is approximately 3:38 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 Bolinas, CA?

Bolinas, CA is currently in a transitional phase. Tonight's moon is 66% 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 Bolinas, 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 Bolinas, CA?

Tide predictions for Bolinas, 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 Bolinas, CA?

Tide data for Bolinas, CA is sourced from NOAA Station #9414958. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9414958.

What is the moon phase in Bolinas, CA tonight?

Tonight the moon over Bolinas, CA is First Quarter (66% illuminated). This places Bolinas, 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