Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Napa, CA.
Next low tide : 3:18 pm (2.3 ft)
Next high tide : in 2h 19m at 10:34 am (4.5 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:54 am
Moon phase : Waning Crescent (28% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Feb 2060

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:505.912:168.26:422.77:43-1.27:135:31New Moon1Sun
2Mon2:236.01:038.27:272.48:22-1.27:125:32New Moon2Mon
3Tue2:576.31:528.08:152.19:02-1.07:115:33New Moon3Tue
4Wed3:316.52:437.59:071.89:41-0.67:115:34Waxing Crescent4Wed
5Thu4:066.83:396.810:031.510:21-0.17:105:36Waxing Crescent5Thu
6Fri4:437.04:425.911:051.211:030.77:095:37Waxing Crescent6Fri
7Sat5:247.26:005.212:140.97:085:38First Quarter7Sat
8Sun6:097.47:384.71:310.67:065:39First Quarter8Sun
9Mon7:017.49:254.812:472.12:480.37:055:40First Quarter9Mon
10Tue8:007.510:495.22:002.63:59-0.17:045:41Waxing Gibbous10Tue
11Wed9:027.511:485.63:212.94:59-0.37:035:42Waxing Gibbous11Wed
12Thu10:017.54:332.95:50-0.57:025:43Waxing Gibbous12Thu
13Fri12:345.910:56 AM7.55:322.76:34-0.67:015:44Waxing Gibbous13Fri
14Sat1:136.111:44 AM7.56:212.57:13-0.67:005:46Full Moon14Sat
15Sun1:476.112:287.47:052.37:47-0.56:595:47Full Moon15Sun
16Mon2:196.11:087.27:452.18:19-0.46:575:48Full Moon16Mon
17Tue2:466.11:476.98:231.98:48-0.16:565:49Full Moon17Tue
18Wed3:116.12:256.49:001.79:150.26:555:50Waning Gibbous18Wed
19Thu3:356.23:046.09:391.69:430.76:545:51Waning Gibbous19Thu
20Fri3:586.33:485.410:201.410:101.16:525:52Waning Gibbous20Fri
21Sat4:246.34:394.911:051.310:391.76:515:53Waning Gibbous21Sat
22Sun4:536.45:484.411:581.211:122.26:505:54Third Quarter22Sun
23Mon5:296.47:294.21:011.16:485:55Third Quarter23Mon
24Tue6:156.49:374.42:120.86:475:56Third Quarter24Tue
25Wed7:136.510:524.81:113.03:210.56:465:57Third Quarter25Wed
26Thu8:186.711:335.22:483.24:190.16:445:58Waning Crescent26Thu
27Fri9:217.04:013.15:10-0.36:436:00Waning Crescent27Fri
28Sat12:065.510:20 AM7.34:552.85:54-0.76:426:01Waning Crescent28Sat
29Sun12:375.711:13 AM7.75:432.46:35-0.96:406:02Waning Crescent29Sun
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 12:56 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 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 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 Waning Crescent (28% 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