Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 2h 20m at 1:28 pm (1.2 ft)
Next high tide : 8:01 pm (7.0 ft)
Sunset today : 8:35 pm
Sunrise tomorrow : 5:52 am
Moon phase : Third Quarter (50% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Jun 1988

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:527.84:325.59:29-1.39:002.95:468:27Full Moon1Wed
2Thu2:367.85:205.610:14-1.49:513.05:468:27Waning Gibbous2Thu
3Fri3:247.66:085.611:02-1.310:502.95:468:28Waning Gibbous3Fri
4Sat4:177.36:565.811:53-1.15:468:28Waning Gibbous4Sat
5Sun5:166.87:436.012:002.812:44-0.85:458:29Third Quarter5Sun
6Mon6:236.18:296.31:212.51:37-0.45:458:30Third Quarter6Mon
7Tue7:425.49:126.82:442.02:310.25:458:30Third Quarter7Tue
8Wed9:114.99:547.23:571.33:240.75:458:31Third Quarter8Wed
9Thu10:404.810:347.65:010.64:161.35:458:31Waning Crescent9Thu
10Fri12:004.95:560.05:081.85:448:32Waning Crescent10Fri
11Sat1:105.26:45-0.56:002.25:448:32Waning Crescent11Sat
12Sun2:105.57:31-0.96:502.65:448:33New Moon12Sun
13Mon12:348.03:035.78:14-1.07:402.85:448:33New Moon13Mon
14Tue1:147.93:515.88:55-1.18:292.95:448:34New Moon14Tue
15Wed1:547.74:365.89:35-1.09:173.05:448:34New Moon15Wed
16Thu2:357.45:185.710:15-0.910:052.95:458:34Waxing Crescent16Thu
17Fri3:167.15:585.710:54-0.710:562.95:458:35Waxing Crescent17Fri
18Sat3:576.76:365.611:33-0.411:512.85:458:35Waxing Crescent18Sat
19Sun4:416.27:125.712:11-0.15:458:35Waxing Crescent19Sun
20Mon5:295.67:465.812:532.712:500.35:458:35First Quarter20Mon
21Tue6:275.08:206.12:002.41:300.75:458:36First Quarter21Tue
22Wed7:394.58:536.33:072.02:121.25:468:36First Quarter22Wed
23Thu9:094.29:276.74:061.52:581.75:468:36First Quarter23Thu
24Fri10:444.210:027.04:581.03:472.15:468:36Waxing Gibbous24Fri
25Sat12:054.55:430.54:382.55:478:36Waxing Gibbous25Sat
26Sun1:094.96:250.05:292.85:478:36Waxing Gibbous26Sun
27Mon2:015.27:06-0.56:202.95:478:36Waxing Gibbous27Mon
28Tue12:047.92:475.57:48-0.97:093.05:488:36Full Moon28Tue
29Wed12:498.23:305.78:32-1.27:593.05:488:36Full Moon29Wed
30Thu1:378.34:115.89:16-1.48:502.95:498:36Full Moon30Thu
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 4:44 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 neap phase. Tonight's moon is 50% 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 (50% 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