Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently rising in Napa, CA.
Next low tide : 3:10 pm (1.0 ft)
Next high tide : in 4h 36m at 8:58 am (4.6 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:45 am
Moon phase : Third Quarter (35% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Mar 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:256.37:074.412:431.16:396:02First Quarter1Sun
2Mon6:126.38:544.412:062.51:530.86:386:03First Quarter2Mon
3Tue7:096.410:164.81:202.83:020.56:366:04First Quarter3Tue
4Wed8:146.611:075.22:452.94:030.16:356:05Waxing Gibbous4Wed
5Thu9:176.911:475.53:542.84:56-0.36:336:06Waxing Gibbous5Thu
6Fri10:177.34:502.55:43-0.66:326:07Waxing Gibbous6Fri
7Sat12:225.911:12 AM7.65:402.16:26-0.86:306:08Waxing Gibbous7Sat
8Sun12:566.21:057.87:271.78:08-0.97:297:09Full Moon8Sun
9Mon2:316.51:587.88:151.28:49-0.77:277:10Full Moon9Mon
10Tue3:056.82:517.59:040.89:29-0.47:267:11Full Moon10Tue
11Wed3:417.13:467.09:540.410:100.17:247:12Waning Gibbous11Wed
12Thu4:187.34:456.410:480.110:530.77:237:13Waning Gibbous12Thu
13Fri4:587.45:515.811:450.011:401.47:217:14Waning Gibbous13Fri
14Sat5:417.37:095.312:480.07:207:15Third Quarter14Sat
15Sun6:317.18:405.012:352.01:590.07:187:16Third Quarter15Sun
16Mon7:316.810:125.21:472.53:140.17:177:17Third Quarter16Mon
17Tue8:396.611:215.53:152.74:260.07:157:18Third Quarter17Tue
18Wed9:496.54:362.65:27-0.17:147:19Waning Crescent18Wed
19Thu12:125.810:53 AM6.55:402.46:17-0.17:127:20Waning Crescent19Thu
20Fri12:536.011:48 AM6.56:302.16:59-0.17:117:21Waning Crescent20Fri
21Sat1:276.112:366.57:131.87:350.07:097:22Waning Crescent21Sat
22Sun1:566.11:186.57:511.58:070.17:087:23New Moon22Sun
23Mon2:216.21:596.38:251.38:360.37:067:24New Moon23Mon
24Tue2:446.22:386.18:581.09:040.67:047:25New Moon24Tue
25Wed3:066.33:175.99:300.89:310.97:037:26New Moon25Wed
26Thu3:286.43:585.610:020.79:591.37:017:27Waxing Crescent26Thu
27Fri3:536.44:435.310:370.510:291.77:007:28Waxing Crescent27Fri
28Sat4:206.55:355.011:160.411:022.16:587:29Waxing Crescent28Sat
29Sun4:516.46:394.712:020.46:577:30Waxing Crescent29Sun
30Mon5:306.38:014.612:560.46:557:30First Quarter30Mon
31Tue6:206.29:314.712:372.82:020.36:547:31First Quarter31Tue
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 12:04 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 Napa, CA?

Napa, CA is currently in a transitional phase. Tonight's moon is 35% 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 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 (35% illuminated). This places Napa, 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