Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently rising in Port San Luis, CA.
Next low tide : 9:30 am (1.3 ft)
Next high tide : in 1h 43m at 3:26 am (3.3 ft)
Sunset today : 11:27 pm
Sunrise tomorrow : 9:02 am
Moon phase : Third Quarter (52% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Apr 2006

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:423.56:16-0.65:291.98:569:31Waxing Crescent1Sat
2Sun3:063.28:16-0.47:072.59:5410:31Waxing Crescent2Sun
3Mon1:325.25:013.19:27-0.27:582.99:5310:32First Quarter3Mon
4Tue2:294.76:453.310:480.09:513.19:5110:33First Quarter4Tue
5Wed3:494.47:423.512:010.09:5010:34First Quarter5Wed
6Thu5:174.28:143.71:000.09:4910:35First Quarter6Thu
7Fri6:294.28:383.91:042.61:470.09:4710:35Waxing Gibbous7Fri
8Sat7:274.38:594.01:532.22:230.19:4610:36Waxing Gibbous8Sat
9Sun8:144.39:174.22:311.72:510.29:4510:37Waxing Gibbous9Sun
10Mon8:554.39:354.53:051.33:160.49:4310:38Waxing Gibbous10Mon
11Tue9:334.29:534.73:380.93:370.79:4210:39Waxing Gibbous11Tue
12Wed10:114.110:124.94:120.63:591.09:4110:39Full Moon12Wed
13Thu10:523.910:325.14:470.24:201.39:3910:40Full Moon13Thu
14Fri11:363.710:555.25:240.04:421.79:3810:41Full Moon14Fri
15Sat12:253.46:04-0.25:052.19:3710:42Waning Gibbous15Sat
16Sun1:233.26:48-0.35:282.49:3510:43Waning Gibbous16Sun
17Mon2:383.07:38-0.35:512.79:3410:43Waning Gibbous17Mon
18Tue12:315.28:38-0.39:3310:44Waning Gibbous18Tue
19Wed1:225.09:50-0.39:3210:45Third Quarter19Wed
20Thu2:334.86:513.411:01-0.410:133.19:3010:46Third Quarter20Thu
21Fri4:054.67:173.712:01-0.59:2910:47Third Quarter21Fri
22Sat5:324.67:434.112:51-0.59:2810:48Third Quarter22Sat
23Sun6:474.68:114.61:072.01:35-0.49:2710:48Waning Crescent23Sun
24Mon7:534.68:405.12:041.22:15-0.19:2610:49Waning Crescent24Mon
25Tue8:534.59:105.62:560.42:520.39:2510:50Waning Crescent25Tue
26Wed9:504.49:426.03:45-0.33:270.89:2310:51New Moon26Wed
27Thu10:474.110:156.24:33-0.84:031.39:2210:52New Moon27Thu
28Fri11:463.910:516.15:22-1.14:391.89:2110:52New Moon28Fri
29Sat12:483.76:11-1.25:172.29:2010:53Waxing Crescent29Sat
30Sun1:553.57:02-1.05:582.69:1910:54Waxing Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9412110)

Common Questions About Port San Luis, CA Tides

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

Slack tide in Port San Luis, CA is approximately 6:28 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 52% 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 (52% 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