Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide : in 2h 12m at 5:47 pm (2.8 ft)
Next high tide : 11:45 pm (5.3 ft)
Sunset today : 11:28 pm
Sunrise tomorrow : 8:59 am
Moon phase : Waning Gibbous (94% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Mar 2040

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:054.511:514.65:131.25:280.49:379:06Waning Gibbous1Thu
2Fri11:544.06:031.05:550.99:369:06Waning Gibbous2Fri
3Sat12:224.712:543.47:010.96:231.49:359:07Waning Gibbous3Sat
4Sun1:004.92:212.98:140.76:552.09:339:08Third Quarter4Sun
5Mon1:504.94:272.89:420.47:442.59:329:09Third Quarter5Mon
6Tue2:565.06:253.011:030.09:272.89:319:10Third Quarter6Tue
7Wed4:125.17:243.312:11-0.59:299:11Third Quarter7Wed
8Thu5:255.48:003.71:06-0.99:289:12Waning Crescent8Thu
9Fri6:315.68:324.012:272.41:53-1.29:279:12Waning Crescent9Fri
10Sat7:285.89:034.21:262.02:34-1.39:259:13Waning Crescent10Sat
11Sun9:195.810:344.53:171.54:13-1.110:2410:14New Moon11Sun
12Mon10:065.711:064.74:051.14:49-0.810:2310:15New Moon12Mon
13Tue10:535.311:384.94:530.85:23-0.410:2110:16New Moon13Tue
14Wed11:404.85:400.55:550.210:2010:17New Moon14Wed
15Thu12:094.912:294.36:280.56:260.810:1810:17Waxing Crescent15Thu
16Fri12:414.91:233.77:180.56:551.410:1710:18Waxing Crescent16Fri
17Sat1:134.82:293.28:120.57:222.010:1610:19Waxing Crescent17Sat
18Sun1:484.64:082.99:190.67:492.510:1410:20Waxing Crescent18Sun
19Mon2:314.410:410.710:1310:21First Quarter19Mon
20Tue3:334.28:123.212:000.510:1110:22First Quarter20Tue
21Wed4:544.18:383.41:030.310:1010:22First Quarter21Wed
22Thu6:084.28:583.612:322.91:520.110:0910:23First Quarter22Thu
23Fri7:084.49:173.71:292.62:29-0.110:0710:24Waxing Gibbous23Fri
24Sat7:564.69:363.92:112.33:01-0.210:0610:25Waxing Gibbous24Sat
25Sun8:374.89:564.12:461.93:29-0.310:0410:26Waxing Gibbous25Sun
26Mon9:164.910:164.33:211.53:56-0.210:0310:26Waxing Gibbous26Mon
27Tue9:544.910:384.63:581.14:220.010:0210:27Full Moon27Tue
28Wed10:354.711:034.84:360.74:490.310:0010:28Full Moon28Wed
29Thu11:194.411:305.15:180.45:170.79:5910:29Full Moon29Thu
30Fri12:094.16:040.15:451.19:5710:30Waning Gibbous30Fri
31Sat12:005.21:073.76:54-0.16:161.69:5610:30Waning Gibbous31Sat
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 8:46 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 spring phase. Tonight's moon is 94% 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 maximum.

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 Waning Gibbous (94% illuminated). This places Port San Luis, CA in a spring tide cycle, so tidal ranges are near their weekly maximum 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