Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 5h 17m at 10:23 am (-0.6 ft)
Next high tide : 5:16 pm (5.7 ft)
Sunset today : 8:36 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Jul 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon1:318.53:286.38:49-1.38:392.15:498:36Full Moon1Mon
2Tue2:228.44:146.59:36-1.49:352.15:508:36Waning Gibbous2Tue
3Wed3:148.14:596.710:22-1.210:341.95:508:36Waning Gibbous3Wed
4Thu4:097.65:466.911:10-0.911:391.85:518:36Waning Gibbous4Thu
5Fri5:076.96:337.011:59-0.45:518:35Waning Gibbous5Fri
6Sat6:116.27:237.212:491.612:500.25:528:35Third Quarter6Sat
7Sun7:255.58:147.32:051.41:450.85:528:35Third Quarter7Sun
8Mon8:495.09:057.43:191.12:441.35:538:35Third Quarter8Mon
9Tue10:174.99:567.54:270.73:451.85:548:34Waning Crescent9Tue
10Wed11:345.110:437.65:260.44:452.15:548:34Waning Crescent10Wed
11Thu12:375.46:170.15:412.35:558:33Waning Crescent11Thu
12Fri1:285.67:01-0.16:312.45:568:33Waning Crescent12Fri
13Sat12:097.62:125.77:40-0.27:162.55:568:33New Moon13Sat
14Sun12:487.52:515.88:15-0.37:582.55:578:32New Moon14Sun
15Mon1:267.43:265.98:48-0.38:382.55:588:32New Moon15Mon
16Tue2:027.33:576.09:20-0.39:162.45:588:31New Moon16Tue
17Wed2:387.14:276.09:50-0.29:542.45:598:30Waxing Crescent17Wed
18Thu3:156.84:576.110:210.010:352.36:008:30Waxing Crescent18Thu
19Fri3:536.55:286.210:520.211:192.26:018:29Waxing Crescent19Fri
20Sat4:356.16:026.411:260.56:028:28Waxing Crescent20Sat
21Sun5:225.66:386.512:102.112:020.86:028:28Waxing Crescent21Sun
22Mon6:215.17:196.71:071.912:441.26:038:27First Quarter22Mon
23Tue7:374.78:056.92:121.61:341.66:048:26First Quarter23Tue
24Wed9:084.68:547.23:191.22:332.06:058:26First Quarter24Wed
25Thu10:354.89:477.64:210.73:382.36:068:25Waxing Gibbous25Thu
26Fri11:465.110:407.95:170.24:422.46:068:24Waxing Gibbous26Fri
27Sat12:435.56:08-0.35:422.36:078:23Waxing Gibbous27Sat
28Sun1:315.96:57-0.76:392.26:088:22Waxing Gibbous28Sun
29Mon12:278.52:166.37:44-1.07:332.06:098:21Full Moon29Mon
30Tue1:208.62:596.68:30-1.08:271.86:108:20Full Moon30Tue
31Wed2:138.43:416.99:15-1.09:221.66:118:19Full Moon31Wed
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 1:49 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 spring phase. Tonight's moon is 93% 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 maximum.

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 Gibbous (93% illuminated). This places Napa, CA in a spring tide cycle, so tidal ranges are near their weekly maximum 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