Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 4h 37m at 3:53 am (1.6 ft)
Next high tide : 8:58 am (4.6 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:45 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Jul 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:035.25:510.05:111.95:498:36Waxing Gibbous1Wed
2Thu1:105.56:42-0.66:062.35:508:36Waxing Gibbous2Thu
3Fri12:008.32:085.87:30-0.96:592.55:508:36Full Moon3Fri
4Sat12:458.43:006.08:16-1.17:522.65:518:36Full Moon4Sat
5Sun1:308.33:486.19:00-1.18:432.75:518:35Full Moon5Sun
6Mon2:158.04:326.19:43-1.09:352.75:528:35Full Moon6Mon
7Tue2:597.75:156.110:24-0.810:262.75:538:35Waning Gibbous7Tue
8Wed3:437.25:556.111:05-0.611:202.65:538:35Waning Gibbous8Wed
9Thu4:276.66:346.111:46-0.25:548:34Waning Gibbous9Thu
10Fri5:156.07:126.112:192.612:270.25:548:34Waning Gibbous10Fri
11Sat6:095.47:506.21:232.41:090.75:558:33Third Quarter11Sat
12Sun7:164.88:286.42:312.11:541.25:568:33Third Quarter12Sun
13Mon8:394.49:066.63:361.82:431.65:568:33Third Quarter13Mon
14Tue10:124.49:446.84:341.33:362.15:578:32Third Quarter14Tue
15Wed11:354.610:247.15:240.94:292.45:588:31Waning Crescent15Wed
16Thu12:384.96:070.55:202.65:598:31Waning Crescent16Thu
17Fri1:295.26:470.16:082.85:598:30Waning Crescent17Fri
18Sat2:125.57:25-0.36:532.86:008:30Waning Crescent18Sat
19Sun12:287.82:515.78:03-0.67:362.86:018:29New Moon19Sun
20Mon1:108.03:295.98:41-0.88:202.76:028:28New Moon20Mon
21Tue1:548.04:076.19:20-0.99:062.66:038:28New Moon21Tue
22Wed2:408.04:446.210:00-0.99:562.46:038:27Waxing Crescent22Wed
23Thu3:287.75:236.410:42-0.810:512.26:048:26Waxing Crescent23Thu
24Fri4:197.26:036.711:24-0.411:522.06:058:25Waxing Crescent24Fri
25Sat5:176.66:446.912:090.06:068:25Waxing Crescent25Sat
26Sun6:255.97:297.21:011.712:570.66:078:24First Quarter26Sun
27Mon7:475.28:177.52:161.31:501.36:078:23First Quarter27Mon
28Tue9:224.99:087.73:300.82:511.96:088:22First Quarter28Tue
29Wed10:555.110:018.04:380.33:562.36:098:21Waxing Gibbous29Wed
30Thu12:115.45:38-0.15:022.66:108:20Waxing Gibbous30Thu
31Fri1:105.86:31-0.46:022.76:118:19Waxing Gibbous31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415623)

Common Questions About Napa, CA Tides

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

Slack tide in Napa, CA is approximately 6:25 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 Napa, CA?

Napa, 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 Napa, 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 Napa, CA?

Tide predictions for Napa, 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 Napa, CA?

Tide data for Napa, CA is sourced from NOAA Station #9415623. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415623.

What is the moon phase in Napa, CA tonight?

Tonight the moon over Napa, CA is Third Quarter (46% illuminated). This places Napa, 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