Tides Today & Tomorrow in Port San Luis, CA

TIDE TIMES for Monday, July 6, 2026
The tide is currently rising in Port San Luis, CA.
Next low tide : 10:20 pm (2.1 ft)
Next high tide : in 5h 30m at 3:57 pm (4.6 ft)
Sunset today : 11:27 pm
Sunrise tomorrow : 9:01 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #9412110
Common Questions About Tides

Port San Luis, CA Tides - Oct 2046

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:016.44:491.35:55-0.410:059:53New Moon1Mon
2Tue12:114.611:41 AM6.45:271.86:51-0.510:059:52Waxing Crescent2Tue
3Wed1:174.212:256.26:072.47:51-0.310:069:50Waxing Crescent3Wed
4Thu2:353.81:165.96:542.89:00-0.110:079:49Waxing Crescent4Thu
5Fri4:123.72:185.57:553.210:160.110:089:48First Quarter5Fri
6Sat5:443.93:385.19:393.411:290.210:089:46First Quarter6Sat
7Sun6:494.15:044.811:293.210:099:45First Quarter7Sun
8Mon7:334.36:184.812:300.312:452.810:109:43First Quarter8Mon
9Tue8:064.57:194.81:200.41:402.310:119:42Waxing Gibbous9Tue
10Wed8:324.78:104.72:000.62:231.910:129:41Waxing Gibbous10Wed
11Thu8:544.98:534.72:320.82:591.510:129:39Waxing Gibbous11Thu
12Fri9:145.19:334.52:591.13:331.110:139:38Waxing Gibbous12Fri
13Sat9:335.310:124.43:231.44:050.810:149:37Full Moon13Sat
14Sun9:535.410:524.23:451.74:380.610:159:35Full Moon14Sun
15Mon10:155.611:354.04:072.05:140.410:169:34Full Moon15Mon
16Tue10:395.64:302.45:510.310:179:33Full Moon16Tue
17Wed12:223.811:05 AM5.64:542.76:330.310:179:32Waning Gibbous17Wed
18Thu1:173.611:36 AM5.55:182.97:190.310:189:30Waning Gibbous18Thu
19Fri2:263.512:135.45:443.28:130.410:199:29Waning Gibbous19Fri
20Sat4:073.41:005.26:183.49:180.410:209:28Waning Gibbous20Sat
21Sun2:034.910:260.410:219:27Third Quarter21Sun
22Mon6:183.83:294.79:523.511:260.310:229:26Third Quarter22Mon
23Tue6:454.14:584.711:333.110:239:24Third Quarter23Tue
24Wed7:114.56:154.712:150.312:412.410:249:23Waning Crescent24Wed
25Thu7:385.07:234.812:590.41:371.610:249:22Waning Crescent25Thu
26Fri8:075.58:254.81:390.62:280.710:259:21Waning Crescent26Fri
27Sat8:386.19:234.72:170.93:170.010:269:20Waning Crescent27Sat
28Sun9:126.510:204.62:551.34:05-0.610:279:19New Moon28Sun
29Mon9:486.811:194.43:331.74:55-1.010:289:18New Moon29Mon
30Tue10:276.84:122.15:46-1.110:299:17New Moon30Tue
31Wed12:204.211:09 AM6.74:542.56:39-1.010:309:16Waxing Crescent31Wed
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 7:08 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 transitional phase. Tonight's moon is 62% 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 Third Quarter (62% 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