Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Saturday, June 27, 2026
The tide is currently rising in Port San Luis, CA.
Next low tide : 2:25 pm (2.9 ft)
Next high tide : in 1h 05m at 10:51 am (3.4 ft)
Sunset today : 11:28 pm
Sunrise tomorrow : 8:57 am
Moon phase : Waxing Gibbous (95% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Aug 2032

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun8:443.77:315.72:100.11:142.59:1911:12Waning Crescent1Sun
2Mon9:293.88:175.72:56-0.12:072.49:2011:11Waning Crescent2Mon
3Tue10:053.98:575.73:35-0.22:522.39:2111:10Waning Crescent3Tue
4Wed10:364.09:345.74:09-0.23:312.29:2211:09New Moon4Wed
5Thu11:054.110:085.64:40-0.24:072.19:2211:08New Moon5Thu
6Fri11:334.210:425.45:090.04:442.09:2311:07New Moon6Fri
7Sat12:014.35:370.25:232.09:2411:06New Moon7Sat
8Sun12:294.46:040.46:031.99:2511:05Waxing Crescent8Sun
9Mon12:594.56:310.76:471.99:2511:04Waxing Crescent9Mon
10Tue12:334.41:304.56:571.17:361.99:2611:03Waxing Crescent10Tue
11Wed1:174.02:044.67:241.48:351.99:2711:02Waxing Crescent11Wed
12Thu2:123.52:454.77:541.89:511.79:2811:01First Quarter12Thu
13Fri3:333.23:374.88:322.211:121.49:2811:00First Quarter13Fri
14Sat5:183.04:375.09:292.59:2910:59First Quarter14Sat
15Sun6:513.25:385.312:211.010:50 AM2.79:3010:57First Quarter15Sun
16Mon7:543.46:365.61:170.512:062.69:3110:56Waxing Gibbous16Mon
17Tue8:383.87:326.02:050.01:122.49:3110:55Waxing Gibbous17Tue
18Wed9:154.18:246.32:49-0.42:102.19:3210:54Waxing Gibbous18Wed
19Thu9:504.59:146.43:29-0.73:041.79:3310:53Full Moon19Thu
20Fri10:274.810:046.34:10-0.73:561.39:3410:51Full Moon20Fri
21Sat11:055.110:556.14:50-0.64:491.09:3410:50Full Moon21Sat
22Sun11:465.411:485.65:30-0.35:450.89:3510:49Waning Gibbous22Sun
23Mon12:285.66:110.16:430.79:3610:48Waning Gibbous23Mon
24Tue12:455.11:125.66:520.77:440.79:3710:46Waning Gibbous24Tue
25Wed1:474.42:015.67:361.38:540.89:3710:45Waning Gibbous25Wed
26Thu3:023.92:575.48:251.910:140.89:3810:44Third Quarter26Thu
27Fri4:363.64:025.39:292.411:350.79:3910:42Third Quarter27Fri
28Sat6:123.65:115.210:512.69:4010:41Third Quarter28Sat
29Sun7:293.86:175.212:440.512:092.79:4010:40Third Quarter29Sun
30Mon8:224.07:155.31:420.41:142.69:4110:38Waning Crescent30Mon
31Tue9:004.18:035.32:270.32:052.39:4210:37Waning Crescent31Tue
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 12:38 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 Port San Luis, CA?

Port San Luis, CA is currently in a spring phase. Tonight's moon is 95% 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 (95% 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