Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently falling in Port San Luis, CA.
Next low tide : in 1h 12m at 12:10 am (1.9 ft)
Next high tide : 5:21 am (3.3 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 5:48 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Oct 2026

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:523.51:165.86:422.99:150.16:586:47Waning Gibbous1Thu
2Fri4:473.52:205.67:363.310:370.06:586:45Third Quarter2Fri
3Sat6:193.73:455.49:283.511:49-0.16:596:44Third Quarter3Sat
4Sun7:114.05:145.311:263.27:006:42Third Quarter4Sun
5Mon7:484.36:295.312:49-0.212:452.77:016:41Waning Crescent5Mon
6Tue8:194.77:345.31:38-0.11:452.17:026:40Waning Crescent6Tue
7Wed8:485.08:305.32:200.02:361.47:026:38Waning Crescent7Wed
8Thu9:155.49:205.12:560.33:220.97:036:37Waning Crescent8Thu
9Fri9:425.610:084.93:280.74:050.57:046:35New Moon9Fri
10Sat10:085.810:554.63:571.24:470.27:056:34New Moon10Sat
11Sun10:355.811:454.34:251.75:290.17:066:33New Moon11Sun
12Mon11:025.84:512.26:110.17:066:31Waxing Crescent12Mon
13Tue12:384.011:29 AM5.65:172.66:550.27:076:30Waxing Crescent13Tue
14Wed1:373.711:59 AM5.45:413.07:430.47:086:29Waxing Crescent14Wed
15Thu2:553.512:345.16:053.38:410.67:096:28Waxing Crescent15Thu
16Fri1:184.89:500.87:106:26First Quarter16Fri
17Sat2:244.511:000.87:116:25First Quarter17Sat
18Sun7:083.84:004.310:483.611:570.77:116:24First Quarter18Sun
19Mon7:274.05:234.312:113.27:126:23First Quarter19Mon
20Tue7:444.36:274.412:420.71:032.87:136:21Waxing Gibbous20Tue
21Wed8:024.57:234.51:190.71:452.27:146:20Waxing Gibbous21Wed
22Thu8:214.98:134.51:500.82:241.67:156:19Waxing Gibbous22Thu
23Fri8:415.39:014.52:191.03:021.07:166:18Waxing Gibbous23Fri
24Sat9:045.79:494.52:481.23:420.47:176:17Full Moon24Sat
25Sun9:306.110:404.43:171.64:24-0.17:186:15Full Moon25Sun
26Mon10:016.411:364.23:481.95:09-0.57:196:14Full Moon26Mon
27Tue10:366.54:212.35:59-0.77:196:13Full Moon27Tue
28Wed12:384.011:16 AM6.54:582.76:53-0.87:206:12Waning Gibbous28Wed
29Thu1:473.812:036.35:423.07:52-0.77:216:11Waning Gibbous29Thu
30Fri3:083.712:586.06:393.28:58-0.57:226:10Waning Gibbous30Fri
31Sat4:333.92:065.58:003.410:08-0.37:236:09Third Quarter31Sat
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 2:45 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 46% 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 (46% 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