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 2h 11m at 1:49 am (0.6 ft)
Next high tide : 7:58 am (3.0 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:49 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - May 2039

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun3:384.07:163.711:420.211:552.96:117:48First Quarter1Sun
2Mon5:054.07:394.012:310.16:107:49First Quarter2Mon
3Tue6:174.18:014.312:552.31:130.16:097:50Waxing Gibbous3Tue
4Wed7:214.28:254.71:451.71:510.16:087:51Waxing Gibbous4Wed
5Thu8:194.38:525.22:311.02:270.36:077:52Waxing Gibbous5Thu
6Fri9:144.49:225.73:160.23:030.66:067:52Waxing Gibbous6Fri
7Sat10:094.39:556.04:02-0.43:401.06:057:53Full Moon7Sat
8Sun11:064.210:326.34:50-1.04:181.46:047:54Full Moon8Sun
9Mon12:074.05:41-1.34:591.86:037:55Full Moon9Mon
10Tue1:123.86:35-1.45:452.26:027:56Waning Gibbous10Tue
11Wed2:243.77:31-1.46:392.66:017:56Waning Gibbous11Wed
12Thu12:505.83:433.78:31-1.17:472.86:017:57Waning Gibbous12Thu
13Fri1:495.34:593.89:37-0.99:222.96:007:58Third Quarter13Fri
14Sat3:024.86:004.110:43-0.611:072.75:597:59Third Quarter14Sat
15Sun4:274.46:484.311:43-0.35:588:00Third Quarter15Sun
16Mon5:484.17:284.612:292.212:360.05:588:00Third Quarter16Mon
17Tue7:013.98:014.91:331.61:210.35:578:01Waning Crescent17Tue
18Wed8:043.88:295.12:231.12:000.75:568:02Waning Crescent18Wed
19Thu8:583.88:545.23:050.62:321.15:558:03Waning Crescent19Thu
20Fri9:463.79:185.43:430.33:011.55:558:03Waning Crescent20Fri
21Sat10:313.69:415.44:170.03:271.85:548:04New Moon21Sat
22Sun11:173.510:055.54:52-0.23:532.15:548:05New Moon22Sun
23Mon12:043.55:26-0.44:202.45:538:06New Moon23Mon
24Tue12:533.46:03-0.44:492.65:538:06New Moon24Tue
25Wed1:453.46:41-0.45:222.85:528:07Waxing Crescent25Wed
26Thu2:453.37:22-0.36:013.05:528:08Waxing Crescent26Thu
27Fri12:095.03:543.48:07-0.26:513.25:518:08Waxing Crescent27Fri
28Sat12:524.84:543.58:56-0.18:043.25:518:09Waxing Crescent28Sat
29Sun1:444.45:363.79:490.09:503.25:508:10First Quarter29Sun
30Mon2:544.16:084.010:410.111:222.75:508:10First Quarter30Mon
31Tue4:203.96:364.411:290.35:508:11First Quarter31Tue
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 4:53 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 transitional phase. Tonight's moon is 69% 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 First Quarter (69% 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