Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Monday, June 8, 2026
The tide is currently rising in Napa, CA.
Next low tide : 2:21 pm (0.6 ft)
Next high tide : in 16m at 7:31 am (4.9 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 - Sep 2021

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed12:025.34:580.74:493.16:397:38Waning Crescent1Wed
2Thu12:415.65:480.45:412.96:407:37Waning Crescent2Thu
3Fri1:135.86:300.26:232.76:407:35Waning Crescent3Fri
4Sat1:425.97:08-0.17:022.46:417:34Waning Crescent4Sat
5Sun12:267.42:106.17:42-0.27:392.16:427:32New Moon5Sun
6Mon1:117.52:396.38:16-0.28:181.86:437:31New Moon6Mon
7Tue1:567.53:086.68:50-0.18:591.46:447:29New Moon7Tue
8Wed2:437.33:386.99:240.19:441.16:457:27Waxing Crescent8Wed
9Thu3:336.94:107.110:000.510:320.86:467:26Waxing Crescent9Thu
10Fri4:286.54:457.310:381.111:260.56:467:24Waxing Crescent10Fri
11Sat5:315.95:257.511:201.66:477:23Waxing Crescent11Sat
12Sun6:475.46:137.512:270.412:092.26:487:21First Quarter12Sun
13Mon8:185.27:117.41:370.31:132.76:497:20First Quarter13Mon
14Tue9:535.38:197.32:530.22:393.06:507:18First Quarter14Tue
15Wed11:065.79:317.44:070.04:052.96:517:16Waxing Gibbous15Wed
16Thu11:596.010:397.45:12-0.25:152.76:527:15Waxing Gibbous16Thu
17Fri12:436.36:06-0.36:122.36:527:13Waxing Gibbous17Fri
18Sat1:216.56:53-0.37:021.96:537:12Waxing Gibbous18Sat
19Sun12:337.51:556.77:34-0.27:461.66:547:10Full Moon19Sun
20Mon1:237.32:266.88:110.08:281.36:557:09Full Moon20Mon
21Tue2:107.02:556.88:450.49:091.16:567:07Full Moon21Tue
22Wed2:556.73:216.89:180.89:480.96:577:05Full Moon22Wed
23Thu3:416.33:476.89:511.210:270.86:587:04Waning Gibbous23Thu
24Fri4:295.84:136.810:241.711:080.76:597:02Waning Gibbous24Fri
25Sat5:225.54:426.710:592.211:530.87:007:01Waning Gibbous25Sat
26Sun6:255.15:176.511:392.77:006:59Waning Gibbous26Sun
27Mon7:455.06:016.312:450.812:333.07:016:58Third Quarter27Mon
28Tue9:205.06:586.21:480.91:563.27:026:56Third Quarter28Tue
29Wed10:345.28:076.12:590.83:263.27:036:54Third Quarter29Wed
30Thu11:205.59:176.24:050.74:323.07:046:53Third Quarter30Thu
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 10:56 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