Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently rising in Port San Luis, CA.
Next low tide : 10:14 am (1.8 ft)
Next high tide : in 1h 00m at 5:10 am (3.0 ft)
Sunset today : 11:27 pm
Sunrise tomorrow : 9:02 am
Moon phase : Third Quarter (41% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - May 2004

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat8:064.28:454.92:221.32:180.49:1710:55Waxing Gibbous1Sat
2Sun8:594.29:115.43:040.62:500.79:1610:56Waxing Gibbous2Sun
3Mon9:524.29:405.83:47-0.13:231.09:1510:57Full Moon3Mon
4Tue10:474.010:126.14:33-0.73:571.49:1410:58Full Moon4Tue
5Wed11:473.910:506.35:22-1.24:341.99:1310:59Full Moon5Wed
6Thu12:513.76:14-1.45:152.39:1210:59Waning Gibbous6Thu
7Fri2:023.57:09-1.46:032.69:1111:00Waning Gibbous7Fri
8Sat12:216.03:223.58:08-1.37:032.99:1111:01Waning Gibbous8Sat
9Sun1:185.64:433.69:14-1.08:283.09:1011:02Waning Gibbous9Sun
10Mon2:275.15:463.910:22-0.810:222.99:0911:03Third Quarter10Mon
11Tue3:514.66:354.211:24-0.511:562.49:0811:03Third Quarter11Tue
12Wed5:174.37:154.512:19-0.29:0711:04Third Quarter12Wed
13Thu6:344.17:484.81:071.81:060.19:0611:05Waning Crescent13Thu
14Fri7:423.98:185.12:041.21:460.59:0611:06Waning Crescent14Fri
15Sat8:413.88:445.32:510.72:211.09:0511:07Waning Crescent15Sat
16Sun9:343.79:095.53:320.22:511.49:0411:07Waning Crescent16Sun
17Mon10:233.69:335.64:09-0.13:181.89:0311:08New Moon17Mon
18Tue11:113.59:575.64:45-0.43:442.29:0311:09New Moon18Tue
19Wed12:013.45:21-0.54:102.59:0211:10New Moon19Wed
20Thu12:523.45:58-0.54:372.79:0111:10New Moon20Thu
21Fri1:463.36:37-0.55:082.99:0111:11Waxing Crescent21Fri
22Sat2:483.37:18-0.45:433.09:0011:12Waxing Crescent22Sat
23Sun12:005.04:013.38:03-0.26:303.29:0011:13Waxing Crescent23Sun
24Mon12:414.85:033.48:52-0.17:393.38:5911:13Waxing Crescent24Mon
25Tue1:314.55:433.69:450.09:273.28:5911:14First Quarter25Tue
26Wed2:364.16:113.810:350.211:092.98:5811:15First Quarter26Wed
27Thu3:593.86:354.211:210.38:5811:15First Quarter27Thu
28Fri5:213.76:594.612:192.412:020.68:5711:16First Quarter28Fri
29Sat6:383.67:255.11:151.612:400.88:5711:17Waxing Gibbous29Sat
30Sun7:503.67:545.62:040.81:191.28:5711:17Waxing Gibbous30Sun
31Mon8:553.68:276.12:510.01:581.58:5611:18Waxing Gibbous31Mon
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 7:42 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 neap phase. Tonight's moon is 41% 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 minimum.

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 (41% illuminated). This places Port San Luis, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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