Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently rising in Port San Luis, CA.
Next low tide : 5:47 pm (2.8 ft)
Next high tide : in 3h 10m at 1:41 pm (3.7 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 - May 2014

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:053.76:31-0.65:542.19:1810:55Waxing Crescent1Thu
2Fri2:013.67:15-0.46:362.49:1710:56Waxing Crescent2Fri
3Sat12:354.93:033.58:02-0.17:252.69:1610:57Waxing Crescent3Sat
4Sun1:184.54:123.58:530.18:302.89:1510:57Waxing Crescent4Sun
5Mon2:094.15:153.69:500.410:042.89:1410:58First Quarter5Mon
6Tue3:173.86:053.810:480.611:332.59:1310:59First Quarter6Tue
7Wed4:383.66:444.011:400.79:1211:00First Quarter7Wed
8Thu5:533.57:164.312:382.112:250.99:1111:01First Quarter8Thu
9Fri6:593.57:444.61:291.71:051.09:1011:01Waxing Gibbous9Fri
10Sat7:563.68:114.92:111.11:411.19:0911:02Waxing Gibbous10Sat
11Sun8:453.78:395.22:490.62:151.39:0811:03Waxing Gibbous11Sun
12Mon9:313.89:085.53:260.12:491.49:0711:04Waxing Gibbous12Mon
13Tue10:173.89:395.74:04-0.33:241.69:0711:05Full Moon13Tue
14Wed11:053.810:145.94:44-0.74:011.89:0611:05Full Moon14Wed
15Thu11:553.810:535.95:28-0.94:412.09:0511:06Full Moon15Thu
16Fri12:483.86:13-1.15:272.29:0411:07Waning Gibbous16Fri
17Sat1:443.87:02-1.16:212.39:0411:08Waning Gibbous17Sat
18Sun12:255.62:453.87:53-0.97:242.59:0311:09Waning Gibbous18Sun
19Mon1:215.23:484.08:48-0.78:432.59:0211:09Waning Gibbous19Mon
20Tue2:274.74:484.39:47-0.410:182.39:0211:10Third Quarter20Tue
21Wed3:474.35:414.610:46-0.111:451.89:0111:11Third Quarter21Wed
22Thu5:123.96:285.011:420.39:0011:12Third Quarter22Thu
23Fri6:343.87:125.312:561.212:340.69:0011:12Waning Crescent23Fri
24Sat7:473.77:525.61:560.61:230.98:5911:13Waning Crescent24Sat
25Sun8:503.88:305.82:470.02:081.38:5911:14Waning Crescent25Sun
26Mon9:453.89:065.93:32-0.42:491.68:5811:14Waning Crescent26Mon
27Tue10:353.89:415.94:14-0.73:291.88:5811:15New Moon27Tue
28Wed11:243.810:155.84:55-0.84:072.18:5811:16New Moon28Wed
29Thu12:113.85:35-0.84:462.38:5711:16New Moon29Thu
30Fri12:573.76:13-0.75:272.48:5711:17New Moon30Fri
31Sat1:433.76:52-0.56:112.68:5611:18Waxing Crescent31Sat
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 3:44 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