Tides Today & Tomorrow in San Simeon, CA

TIDE TIMES for Saturday, July 18, 2026
The tide is currently falling in San Simeon, CA.
Next low tide : in 3h 44m at 8:25 pm (1.9 ft)
Next high tide (tomorrow) : 2:02 am (4.4 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 6:02 am
Moon phase : Waxing Crescent (24% illuminated)
Tide Station Location : Station #9412553
Common Questions About Tides

San Simeon, CA Tides - Jan 1991

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue9:336.811:384.23:232.34:57-1.77:145:02Full Moon1Tue
2Wed10:236.44:202.25:40-1.47:145:03Waning Gibbous2Wed
3Thu12:224.311:14 AM5.85:202.16:22-1.07:145:03Waning Gibbous3Thu
4Fri1:064.512:075.16:242.17:03-0.47:145:04Waning Gibbous4Fri
5Sat1:524.61:054.37:342.07:430.37:145:05Waning Gibbous5Sat
6Sun2:404.82:163.58:581.88:251.07:145:06Third Quarter6Sun
7Mon3:294.93:523.010:261.59:111.77:145:07Third Quarter7Mon
8Tue4:185.05:432.811:441.010:032.27:145:08Third Quarter8Tue
9Wed5:055.17:272.912:460.57:145:08Waning Crescent9Wed
10Thu5:515.28:303.11:350.17:145:09Waning Crescent10Thu
11Fri6:345.39:093.32:14-0.27:145:10Waning Crescent11Fri
12Sat7:145.59:403.412:492.82:49-0.47:145:11Waning Crescent12Sat
13Sun7:515.610:083.51:332.83:21-0.67:145:12Waning Crescent13Sun
14Mon8:265.610:353.62:112.73:52-0.77:145:13New Moon14Mon
15Tue8:595.711:023.72:482.54:22-0.77:135:14New Moon15Tue
16Wed9:325.611:303.83:262.44:52-0.77:135:15New Moon16Wed
17Thu10:075.411:583.94:062.35:21-0.57:135:16New Moon17Thu
18Fri10:435.14:502.25:49-0.37:125:17Waxing Crescent18Fri
19Sat12:274.111:23 AM4.75:392.26:160.17:125:18Waxing Crescent19Sat
20Sun12:574.312:094.16:342.06:450.57:115:19Waxing Crescent20Sun
21Mon1:314.51:073.57:421.87:151.17:115:20First Quarter21Mon
22Tue2:124.72:352.99:091.57:501.67:115:21First Quarter22Tue
23Wed3:005.04:382.610:371.08:402.17:105:22First Quarter23Wed
24Thu3:575.36:362.811:520.39:552.57:105:23First Quarter24Thu
25Fri4:565.67:493.112:53-0.47:095:24Waxing Gibbous25Fri
26Sat5:576.08:343.41:44-1.07:085:25Waxing Gibbous26Sat
27Sun6:556.39:113.712:302.52:30-1.47:085:26Waxing Gibbous27Sun
28Mon7:496.59:483.91:342.23:12-1.67:075:27Full Moon28Mon
29Tue8:396.510:244.22:301.93:53-1.67:065:28Full Moon29Tue
30Wed9:276.311:014.43:231.74:32-1.47:065:29Full Moon30Wed
31Thu10:155.911:384.64:161.55:09-1.07:055:30Full Moon31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9412553)

Common Questions About San Simeon, CA Tides

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What time does the tide turn (slack tide) in San Simeon, CA today?

Slack tide in San Simeon, CA is approximately 11:13 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 San Simeon, CA?

San Simeon, CA is currently in a transitional phase. Tonight's moon is 24% 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 San Simeon, 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 San Simeon, CA?

Tide predictions for San Simeon, 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 San Simeon, CA?

Tide data for San Simeon, CA is sourced from NOAA Station #9412553. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9412553.

What is the moon phase in San Simeon, CA tonight?

Tonight the moon over San Simeon, CA is Waxing Crescent (24% illuminated). This places San Simeon, 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