Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide : in 5h 45m at 8:53 am (0.7 ft)
Next high tide : 3:57 pm (4.6 ft)
Sunset today : 8:20 pm
Sunrise tomorrow : 5:54 am
Moon phase : Third Quarter (61% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Mar 2058

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri2:264.65:002.810:120.88:372.56:315:58First Quarter1Fri
2Sat3:274.56:573.111:300.510:142.86:305:59First Quarter2Sat
3Sun4:334.57:503.312:320.26:286:00First Quarter3Sun
4Mon5:364.68:203.51:190.06:276:01Waxing Gibbous4Mon
5Tue6:304.78:443.612:392.71:57-0.26:266:02Waxing Gibbous5Tue
6Wed7:144.99:053.71:222.42:29-0.46:246:03Waxing Gibbous6Wed
7Thu7:535.19:273.81:572.12:58-0.46:236:04Waxing Gibbous7Thu
8Fri8:285.19:494.02:311.83:25-0.46:226:04Full Moon8Fri
9Sat9:025.110:114.13:051.63:51-0.36:206:05Full Moon9Sat
10Sun10:385.011:354.34:411.35:17-0.17:197:06Full Moon10Sun
11Mon11:164.75:201.15:430.27:187:07Full Moon11Mon
12Tue12:014.511:59 AM4.46:030.96:090.67:167:08Waning Gibbous12Tue
13Wed12:284.712:473.96:500.76:361.17:157:09Waning Gibbous13Wed
14Thu12:584.81:463.47:440.67:041.67:147:10Waning Gibbous14Thu
15Fri1:354.93:093.08:510.57:362.17:127:10Waning Gibbous15Fri
16Sat2:224.95:092.810:140.38:222.57:117:11Third Quarter16Sat
17Sun3:274.97:023.111:360.010:082.87:097:12Third Quarter17Sun
18Mon4:475.08:023.412:46-0.47:087:13Third Quarter18Mon
19Tue6:045.18:393.71:43-0.87:077:14Waning Crescent19Tue
20Wed7:135.49:114.01:142.42:31-1.07:057:14Waning Crescent20Wed
21Thu8:135.69:424.42:151.93:14-1.17:047:15Waning Crescent21Thu
22Fri9:065.610:134.63:061.33:52-1.07:027:16New Moon22Fri
23Sat9:555.510:444.93:540.84:29-0.77:017:17New Moon23Sat
24Sun10:435.211:165.14:410.55:03-0.26:597:18New Moon24Sun
25Mon11:324.711:485.25:290.25:370.36:587:19New Moon25Mon
26Tue12:234.26:170.16:090.96:577:19Waxing Crescent26Tue
27Wed12:215.11:183.77:060.16:401.56:557:20Waxing Crescent27Wed
28Thu12:545.02:253.37:590.27:102.16:547:21Waxing Crescent28Thu
29Fri1:294.83:593.09:000.47:432.66:527:22Waxing Crescent29Fri
30Sat2:124.56:053.110:170.58:363.06:517:23First Quarter30Sat
31Sun3:124.27:383.311:350.410:553.16:507:23First Quarter31Sun
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 12:25 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 transitional phase. Tonight's moon is 61% 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 Third Quarter (61% 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