Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Friday, July 24, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide (tomorrow) : in 7h 39m at 3:00 am (0.0 ft)
Next high tide (tomorrow) : 10:04 am (3.5 ft)
Sunset today : 11:19 pm
Sunrise tomorrow : 9:13 am
Moon phase : Waxing Gibbous (79% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Feb 2066

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon2:294.74:042.710:031.28:072.210:088:38First Quarter1Mon
2Tue3:234.76:232.711:250.99:112.610:078:39First Quarter2Tue
3Wed4:224.77:463.012:290.510:068:40First Quarter3Wed
4Thu5:194.88:213.21:170.110:058:41Waxing Gibbous4Thu
5Fri6:125.08:463.41:55-0.210:048:42Waxing Gibbous5Fri
6Sat6:575.29:083.512:472.62:27-0.410:038:43Waxing Gibbous6Sat
7Sun7:365.49:313.61:302.42:56-0.510:028:44Waxing Gibbous7Sun
8Mon8:125.59:543.82:082.23:24-0.610:028:45Full Moon8Mon
9Tue8:485.510:184.02:461.93:51-0.610:018:46Full Moon9Tue
10Wed9:235.410:434.23:251.74:19-0.510:008:47Full Moon10Wed
11Thu10:025.211:104.44:071.54:46-0.29:598:48Full Moon11Thu
12Fri10:434.811:394.74:531.35:130.19:588:49Waning Gibbous12Fri
13Sat11:304.35:421.15:410.69:578:50Waning Gibbous13Sat
14Sun12:114.912:253.76:391.06:101.19:558:51Waning Gibbous14Sun
15Mon12:495.01:383.17:470.86:421.69:548:52Waning Gibbous15Mon
16Tue1:365.13:262.79:120.67:232.19:538:53Third Quarter16Tue
17Wed2:375.25:312.810:380.28:392.59:528:54Third Quarter17Wed
18Thu3:505.36:573.111:50-0.310:272.69:518:55Third Quarter18Thu
19Fri5:025.57:423.412:49-0.79:508:56Waning Crescent19Fri
20Sat6:095.78:173.81:37-1.19:498:57Waning Crescent20Sat
21Sun7:085.98:494.11:002.12:20-1.29:488:58Waning Crescent21Sun
22Mon7:595.99:214.41:551.62:58-1.19:468:59New Moon22Mon
23Tue8:475.89:524.62:441.23:34-0.99:459:00New Moon23Tue
24Wed9:325.510:244.83:320.94:08-0.59:449:01New Moon24Wed
25Thu10:175.010:564.94:190.74:40-0.19:439:02New Moon25Thu
26Fri11:034.511:275.05:060.65:100.59:429:03Waxing Crescent26Fri
27Sat11:513.95:540.65:381.19:409:03Waxing Crescent27Sat
28Sun12:004.912:463.46:450.76:051.69:399:04Waxing Crescent28Sun
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 6:32 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 transitional phase. Tonight's moon is 79% 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 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 (79% illuminated). This places Port San Luis, 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