Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Wednesday, June 24, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide : in 34m at 12:20 pm (2.2 ft)
Next high tide : 7:06 pm (5.4 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:49 am
Moon phase : Waxing Gibbous (77% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Sep 2015

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:075.412:395.66:230.47:010.76:357:30Waning Gibbous1Tue
2Wed1:054.91:255.67:061.08:050.76:367:29Waning Gibbous2Wed
3Thu2:124.32:185.67:531.59:180.76:377:27Third Quarter3Thu
4Fri3:353.93:195.48:502.110:400.76:377:26Third Quarter4Fri
5Sat5:113.74:295.310:062.511:570.56:387:24Third Quarter5Sat
6Sun6:383.85:395.311:292.66:397:23Third Quarter6Sun
7Mon7:454.06:445.31:030.312:432.56:407:22Waning Crescent7Mon
8Tue8:324.37:405.41:570.21:422.36:407:20Waning Crescent8Tue
9Wed9:084.48:275.42:410.22:302.16:417:19Waning Crescent9Wed
10Thu9:394.59:075.43:170.23:091.86:427:17Waning Crescent10Thu
11Fri10:054.69:435.33:490.43:451.66:427:16New Moon11Fri
12Sat10:314.710:185.24:170.54:191.56:437:14New Moon12Sat
13Sun10:564.810:545.04:440.84:531.36:447:13New Moon13Sun
14Mon11:214.911:314.75:101.05:301.36:457:12New Moon14Mon
15Tue11:484.95:361.36:081.26:457:10Waxing Crescent15Tue
16Wed12:114.412:164.96:021.76:501.26:467:09Waxing Crescent16Wed
17Thu12:554.112:474.96:302.07:371.36:477:07Waxing Crescent17Thu
18Fri1:473.81:224.87:002.38:341.36:487:06Waxing Crescent18Fri
19Sat2:573.52:074.77:362.79:461.36:487:04First Quarter19Sat
20Sun4:333.43:104.78:312.911:021.16:497:03First Quarter20Sun
21Mon6:013.54:274.710:073.16:507:01First Quarter21Mon
22Tue6:593.85:394.912:060.811:37 AM2.96:517:00First Quarter22Tue
23Wed7:414.16:435.212:590.512:442.56:516:59Waxing Gibbous23Wed
24Thu8:164.57:415.51:450.21:402.06:526:57Waxing Gibbous24Thu
25Fri8:494.98:345.72:270.02:311.56:536:56Waxing Gibbous25Fri
26Sat9:235.39:255.83:070.03:190.96:546:54Full Moon26Sat
27Sun9:585.710:165.73:460.14:080.46:546:53Full Moon27Sun
28Mon10:365.911:095.44:260.44:590.16:556:51Full Moon28Mon
29Tue11:166.15:070.85:52-0.16:566:50Waning Gibbous29Tue
30Wed12:055.011:59 AM6.15:491.26:47-0.16:576:48Waning Gibbous30Wed
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 3:43 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 77% 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 (77% 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