Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Friday, June 26, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide : in 5h 15m at 3:19 am (-0.2 ft)
Next high tide : 10:07 am (3.3 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waxing Gibbous (85% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Jul 2013

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon6:093.26:105.312:271.111:24 AM1.75:528:21Third Quarter1Mon
2Tue7:373.26:565.41:310.712:172.05:528:21Waning Crescent2Tue
3Wed8:463.37:375.52:230.31:082.35:538:21Waning Crescent3Wed
4Thu9:363.48:155.63:060.01:542.45:538:21Waning Crescent4Thu
5Fri10:173.58:515.73:43-0.22:362.55:548:21Waning Crescent5Fri
6Sat10:523.69:245.74:16-0.33:132.55:548:20New Moon6Sat
7Sun11:253.79:575.74:48-0.43:502.55:558:20New Moon7Sun
8Mon11:573.810:315.65:20-0.44:282.55:568:20New Moon8Mon
9Tue12:293.95:50-0.45:082.45:568:20New Moon9Tue
10Wed1:024.06:21-0.25:522.45:578:19Waxing Crescent10Wed
11Thu1:354.16:510.06:402.45:578:19Waxing Crescent11Thu
12Fri12:204.82:094.27:210.27:332.45:588:19Waxing Crescent12Fri
13Sat1:044.42:464.47:520.68:372.35:598:18Waxing Crescent13Sat
14Sun1:583.93:284.68:261.09:572.05:598:18First Quarter14Sun
15Mon3:103.44:144.99:071.411:181.56:008:17First Quarter15Mon
16Tue4:463.15:035.39:581.86:008:17First Quarter16Tue
17Wed6:233.05:555.612:280.910:59 AM2.16:018:16First Quarter17Wed
18Thu7:463.26:496.01:280.312:042.26:028:16Waxing Gibbous18Thu
19Fri8:473.57:426.42:20-0.41:092.36:038:15Waxing Gibbous19Fri
20Sat9:353.88:346.63:07-0.92:112.26:038:15Waxing Gibbous20Sat
21Sun10:194.19:246.83:53-1.23:082.06:048:14Full Moon21Sun
22Mon11:024.410:136.74:37-1.34:031.86:058:13Full Moon22Mon
23Tue11:454.611:046.35:20-1.34:591.76:058:13Full Moon23Tue
24Wed12:284.86:03-1.05:571.66:068:12Waning Gibbous24Wed
25Thu1:125.06:44-0.66:561.56:078:11Waning Gibbous25Thu
26Fri12:485.21:575.17:250.07:591.56:088:11Waning Gibbous26Fri
27Sat1:464.52:445.18:060.69:121.56:088:10Waning Gibbous27Sat
28Sun2:533.93:365.18:501.310:341.46:098:09Third Quarter28Sun
29Mon4:203.44:315.19:411.811:541.16:108:08Third Quarter29Mon
30Tue5:593.25:275.110:422.36:118:07Third Quarter30Tue
31Wed7:323.36:205.21:030.811:46 AM2.56:118:07Waning Crescent31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9412110)

Common Questions About Port San Luis, CA Tides

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What time does the tide turn (slack tide) in Port San Luis, CA today?

Slack tide in Port San Luis, CA is approximately 6:43 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 Port San Luis, CA?

Port San Luis, CA is currently in a spring phase. Tonight's moon is 85% 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 maximum.

What datum are Port San Luis, 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 Port San Luis, CA?

Tide predictions for Port San Luis, 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 Port San Luis, CA?

Tide data for Port San Luis, CA is sourced from NOAA Station #9412110. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9412110.

What is the moon phase in Port San Luis, CA tonight?

Tonight the moon over Port San Luis, CA is Waxing Gibbous (85% illuminated). This places Port San Luis, CA in a spring tide cycle, so tidal ranges are near their weekly maximum 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