Tides Today & Tomorrow in Ano Nuevo Island, CA

TIDE TIMES for Monday, August 17, 2026
The tide is currently falling in Ano Nuevo Island, CA.
Next low tide : in 4h 29m at 7:54 am (1.4 ft)
Next high tide : 2:18 pm (5.1 ft)
Sunset today : 7:58 pm
Sunrise tomorrow : 6:28 am
Moon phase : Waxing Crescent (28% illuminated)
Tide Station Location : Station #9413878
Common Questions About Tides

Ano Nuevo Island, CA Tides - May 1955

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:533.77:494.81:221.31:140.56:157:57Waxing Gibbous1Sun
2Mon8:033.78:254.92:160.82:010.86:137:58Waxing Gibbous2Mon
3Tue9:043.78:575.03:030.32:421.26:127:59Waxing Gibbous3Tue
4Wed9:583.79:275.13:44-0.13:211.66:118:00Waxing Gibbous4Wed
5Thu10:483.79:555.14:20-0.43:582.06:108:01Full Moon5Thu
6Fri11:343.710:235.14:55-0.64:342.36:098:02Full Moon6Fri
7Sat12:183.75:29-0.75:102.56:088:03Full Moon7Sat
8Sun1:003.66:02-0.75:462.76:078:04Full Moon8Sun
9Mon1:433.66:37-0.66:242.86:068:04Waning Gibbous9Mon
10Tue12:004.82:273.57:15-0.67:073.06:058:05Waning Gibbous10Tue
11Wed12:394.63:133.57:56-0.47:583.06:048:06Waning Gibbous11Wed
12Thu1:234.34:013.58:41-0.39:033.06:038:07Waning Gibbous12Thu
13Fri2:144.04:483.79:30-0.110:202.86:028:08Third Quarter13Fri
14Sat3:163.75:313.910:220.211:332.46:028:09Third Quarter14Sat
15Sun4:313.46:114.211:150.46:018:10Third Quarter15Sun
16Mon5:513.36:474.512:331.812:070.76:008:10Third Quarter16Mon
17Tue7:093.37:244.91:251.012:581.05:598:11Waning Crescent17Tue
18Wed8:213.58:015.32:120.31:461.45:588:12Waning Crescent18Wed
19Thu9:263.78:415.72:58-0.52:341.75:588:13Waning Crescent19Thu
20Fri10:263.99:236.03:45-1.23:222.05:578:14New Moon20Fri
21Sat11:224.110:086.24:32-1.64:122.25:568:15New Moon21Sat
22Sun12:174.25:20-1.95:042.45:558:15New Moon22Sun
23Mon1:114.26:10-1.95:592.55:558:16Waxing Crescent23Mon
24Tue2:044.37:01-1.87:002.55:548:17Waxing Crescent24Tue
25Wed12:415.62:574.37:54-1.58:092.55:548:18Waxing Crescent25Wed
26Thu1:395.03:514.48:47-1.09:262.35:538:18First Quarter26Thu
27Fri2:434.44:434.59:43-0.510:462.05:538:19First Quarter27Fri
28Sat3:563.85:334.710:390.15:528:20First Quarter28Sat
29Sun5:173.46:194.912:001.511:34 AM0.75:528:21First Quarter29Sun
30Mon6:413.27:015.01:041.012:281.25:518:21Waxing Gibbous30Mon
31Tue7:593.27:385.11:580.51:181.75:518:22Waxing Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9413878)

Common Questions About Ano Nuevo Island, CA Tides

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What time does the tide turn (slack tide) in Ano Nuevo Island, CA today?

Slack tide in Ano Nuevo Island, CA is approximately 11:06 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 Ano Nuevo Island, CA?

Ano Nuevo Island, CA is currently in a transitional phase. Tonight's moon is 28% 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 Ano Nuevo Island, 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 Ano Nuevo Island, CA?

Tide predictions for Ano Nuevo Island, 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 Ano Nuevo Island, CA?

Tide data for Ano Nuevo Island, CA is sourced from NOAA Station #9413878. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9413878.

What is the moon phase in Ano Nuevo Island, CA tonight?

Tonight the moon over Ano Nuevo Island, CA is Waxing Crescent (28% illuminated). This places Ano Nuevo Island, 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