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 2h 14m at 1:41 pm (3.7 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:52 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Jan 2007

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:246.59:513.71:002.63:02-1.37:115:01Full Moon1Mon
2Tue8:086.510:353.81:532.73:45-1.47:115:02Full Moon2Tue
3Wed8:526.411:163.92:422.74:26-1.37:115:03Full Moon3Wed
4Thu9:346.211:543.93:302.65:06-1.27:115:04Full Moon4Thu
5Fri10:165.84:172.65:43-0.97:115:05Waning Gibbous5Fri
6Sat12:313.910:57 AM5.45:072.66:17-0.57:115:05Waning Gibbous6Sat
7Sun1:084.011:38 AM4.85:582.56:490.07:115:06Waning Gibbous7Sun
8Mon1:464.112:214.26:572.57:190.57:115:07Waning Gibbous8Mon
9Tue2:234.21:143.68:102.47:481.17:115:08Third Quarter9Tue
10Wed3:024.32:303.09:402.18:181.67:115:09Third Quarter10Wed
11Thu3:414.54:232.611:031.78:532.17:115:10Third Quarter11Thu
12Fri4:214.76:322.712:091.17:115:11Third Quarter12Fri
13Sat5:025.08:002.912:590.57:115:12Waning Crescent13Sat
14Sun5:445.28:443.11:400.07:115:13Waning Crescent14Sun
15Mon6:275.59:173.32:17-0.57:105:14Waning Crescent15Mon
16Tue7:105.89:473.512:392.92:53-0.97:105:15Waning Crescent16Tue
17Wed7:516.110:173.61:292.83:29-1.27:105:16New Moon17Wed
18Thu8:336.310:483.72:162.64:05-1.47:095:17New Moon18Thu
19Fri9:156.311:203.93:032.44:42-1.47:095:17New Moon19Fri
20Sat9:596.111:544.13:532.25:18-1.37:095:18New Moon20Sat
21Sun10:465.74:482.15:54-0.97:085:19Waxing Crescent21Sun
22Mon12:294.411:37 AM5.15:481.96:29-0.47:085:21Waxing Crescent22Mon
23Tue1:074.712:354.36:551.77:050.37:075:22Waxing Crescent23Tue
24Wed1:494.91:493.58:161.47:431.07:075:23First Quarter24Wed
25Thu2:375.23:342.99:491.08:281.77:065:24First Quarter25Thu
26Fri3:315.45:402.811:150.49:292.37:065:25First Quarter26Fri
27Sat4:295.67:263.112:26-0.27:055:26Waxing Gibbous27Sat
28Sun5:285.88:253.41:23-0.77:045:27Waxing Gibbous28Sun
29Mon6:265.99:053.612:032.72:11-1.07:045:28Waxing Gibbous29Mon
30Tue7:196.09:403.71:082.72:53-1.27:035:29Waxing Gibbous30Tue
31Wed8:056.010:113.82:002.53:31-1.27:025:30Full Moon31Wed
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 93% 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 (93% 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