Tides Today & Tomorrow in San Simeon, CA

TIDE TIMES for Tuesday, July 21, 2026
The tide is currently rising in San Simeon, CA.
Next low tide : 9:51 am (1.9 ft)
Next high tide : in 2h 41m at 4:43 am (3.1 ft)
Sunset today : 8:17 pm
Sunrise tomorrow : 6:04 am
Moon phase : First Quarter (53% illuminated)
Tide Station Location : Station #9412553
Common Questions About Tides

San Simeon, CA Tides - Jan 2063

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon12:013.610:07 AM5.54:002.85:40-0.67:145:02Waxing Crescent1Mon
2Tue12:333.610:42 AM5.24:422.86:11-0.37:145:03Waxing Crescent2Tue
3Wed1:063.711:18 AM4.85:292.86:410.07:145:04Waxing Crescent3Wed
4Thu1:393.811:57 AM4.46:222.77:100.37:145:04Waxing Crescent4Thu
5Fri2:144.012:423.87:282.77:390.87:145:05Waxing Crescent5Fri
6Sat2:504.21:453.38:552.48:101.37:145:06First Quarter6Sat
7Sun3:264.43:282.810:262.08:471.77:145:07First Quarter7Sun
8Mon4:044.85:292.611:391.39:332.27:145:08First Quarter8Mon
9Tue4:465.17:162.812:370.67:145:09Waxing Gibbous9Tue
10Wed5:315.58:203.11:25-0.27:145:10Waxing Gibbous10Wed
11Thu6:205.99:053.32:09-0.87:145:11Waxing Gibbous11Thu
12Fri7:106.39:443.512:382.72:52-1.47:145:12Waxing Gibbous12Fri
13Sat7:596.610:223.71:372.63:35-1.77:135:13Full Moon13Sat
14Sun8:486.811:013.92:322.44:18-1.97:135:14Full Moon14Sun
15Mon9:376.711:404.13:272.25:01-1.87:135:14Full Moon15Mon
16Tue10:286.34:242.05:42-1.57:135:15Waning Gibbous16Tue
17Wed12:204.311:20 AM5.75:261.96:21-1.07:125:16Waning Gibbous17Wed
18Thu1:014.612:165.06:311.77:00-0.37:125:17Waning Gibbous18Thu
19Fri1:454.81:194.17:441.67:390.57:125:18Third Quarter19Fri
20Sat2:325.02:423.39:111.38:211.37:115:19Third Quarter20Sat
21Sun3:235.14:322.810:400.99:111.97:115:21Third Quarter21Sun
22Mon4:165.26:382.811:580.410:142.57:105:22Third Quarter22Mon
23Tue5:115.38:093.11:02-0.17:105:23Waning Crescent23Tue
24Wed6:045.48:583.31:51-0.47:095:24Waning Crescent24Wed
25Thu6:545.59:323.512:342.92:33-0.67:085:25Waning Crescent25Thu
26Fri7:375.510:003.51:272.83:09-0.87:085:26Waning Crescent26Fri
27Sat8:165.610:253.62:082.73:41-0.87:075:27New Moon27Sat
28Sun8:515.510:493.62:442.54:11-0.77:075:28New Moon28Sun
29Mon9:245.511:133.73:192.34:39-0.67:065:29New Moon29Mon
30Tue9:565.311:383.83:552.25:05-0.57:055:30New Moon30Tue
31Wed10:295.04:342.15:30-0.27:045:31Waxing Crescent31Wed
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 7:17 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 San Simeon, CA?

San Simeon, CA is currently in a neap phase. Tonight's moon is 53% 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 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 First Quarter (53% illuminated). This places San Simeon, 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