Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Wednesday, August 5, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide : in 2h 54m at 11:18 pm (1.0 ft)
Next high tide (tomorrow) : 5:34 am (2.9 ft)
Sunset today : 8:02 pm
Sunrise tomorrow : 6:15 am
Moon phase : Third Quarter (53% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Oct 1960

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat7:284.97:085.51:000.01:111.65:585:47Waxing Gibbous1Sat
2Sun8:045.28:015.61:440.02:001.15:585:45Waxing Gibbous2Sun
3Mon8:385.58:495.42:230.22:460.85:595:44Full Moon3Mon
4Tue9:115.69:365.23:010.53:300.56:005:42Full Moon4Tue
5Wed9:445.710:244.93:370.94:150.36:015:41Full Moon5Wed
6Thu10:185.711:144.64:121.35:000.36:025:40Waning Gibbous6Thu
7Fri10:525.54:481.85:450.46:025:38Waning Gibbous7Fri
8Sat12:074.211:28 AM5.35:242.26:330.66:035:37Waning Gibbous8Sat
9Sun1:073.912:065.06:022.67:270.86:045:35Waning Gibbous9Sun
10Mon2:233.712:514.76:493.08:321.06:055:34Third Quarter10Mon
11Tue3:523.71:514.48:023.29:431.06:065:33Third Quarter11Tue
12Wed5:063.93:114.39:463.210:461.06:065:31Third Quarter12Wed
13Thu5:584.14:274.311:063.011:381.06:075:30Third Quarter13Thu
14Fri6:344.35:314.412:012.66:085:29Waning Crescent14Fri
15Sat7:024.56:244.512:210.912:452.26:095:28Waning Crescent15Sat
16Sun7:284.77:114.612:570.91:221.86:105:26Waning Crescent16Sun
17Mon7:525.07:534.71:290.91:581.36:115:25Waning Crescent17Mon
18Tue8:175.38:354.81:591.02:340.96:125:24New Moon18Tue
19Wed8:445.59:184.82:301.13:120.56:125:23New Moon19Wed
20Thu9:135.810:044.63:011.33:530.26:135:21New Moon20Thu
21Fri9:455.910:554.53:351.64:38-0.16:145:20New Moon21Fri
22Sat10:226.011:524.34:121.95:27-0.26:155:19Waxing Crescent22Sat
23Sun11:045.94:532.36:20-0.26:165:18Waxing Crescent23Sun
24Mon12:564.111:52 AM5.75:422.67:19-0.16:175:17Waxing Crescent24Mon
25Tue2:114.012:505.46:442.98:270.06:185:16First Quarter25Tue
26Wed3:324.12:045.18:113.09:370.16:195:14First Quarter26Wed
27Thu4:404.33:304.89:532.810:410.26:205:13First Quarter27Thu
28Fri5:344.74:514.811:152.411:380.36:205:12First Quarter28Fri
29Sat6:195.06:024.812:191.86:215:11Waxing Gibbous29Sat
30Sun6:585.47:054.812:270.41:131.26:225:10Waxing Gibbous30Sun
31Mon7:335.77:594.71:110.72:000.76:235:09Waxing 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 2:26 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 53% 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 (53% 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