Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 2h 31m at 3:10 pm (1.0 ft)
Next high tide : 9:39 pm (6.8 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 - Aug 2019

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu1:358.53:336.48:55-1.18:462.26:118:19New Moon1Thu
2Fri2:268.54:146.69:39-1.19:402.06:128:18Waxing Crescent2Fri
3Sat3:188.14:556.810:24-0.810:371.86:138:17Waxing Crescent3Sat
4Sun4:147.65:387.011:09-0.411:391.66:148:16Waxing Crescent4Sun
5Mon5:136.86:227.211:560.26:158:15Waxing Crescent5Mon
6Tue6:216.17:107.412:481.412:460.86:158:14First Quarter6Tue
7Wed7:415.48:007.52:011.11:411.46:168:13First Quarter7Wed
8Thu9:135.18:547.53:160.82:452.06:178:11First Quarter8Thu
9Fri10:445.29:497.64:260.53:542.46:188:10Waxing Gibbous9Fri
10Sat11:575.510:427.65:260.24:592.66:198:09Waxing Gibbous10Sat
11Sun12:535.86:180.05:572.66:208:08Waxing Gibbous11Sun
12Mon1:406.07:04-0.26:482.66:218:07Waxing Gibbous12Mon
13Tue12:177.62:196.17:43-0.27:322.56:228:05Full Moon13Tue
14Wed12:597.62:536.18:19-0.28:122.46:228:04Full Moon14Wed
15Thu1:387.43:246.18:52-0.28:492.36:238:03Full Moon15Thu
16Fri2:167.33:526.19:240.09:252.26:248:02Full Moon16Fri
17Sat2:527.04:186.29:540.110:022.16:258:00Waning Gibbous17Sat
18Sun3:306.74:456.210:240.410:402.06:267:59Waning Gibbous18Sun
19Mon4:096.35:136.310:540.711:231.96:277:58Waning Gibbous19Mon
20Tue4:535.85:446.411:271.16:287:56Waning Gibbous20Tue
21Wed5:455.36:206.512:111.712:031.56:297:55Third Quarter21Wed
22Thu6:534.97:016.61:081.612:462.06:307:53Third Quarter22Thu
23Fri8:224.77:506.82:131.31:412.46:307:52Third Quarter23Fri
24Sat9:594.88:467.03:221.02:512.76:317:51Third Quarter24Sat
25Sun11:165.19:447.34:260.64:022.86:327:49Waning Crescent25Sun
26Mon12:125.55:220.15:062.76:337:48Waning Crescent26Mon
27Tue12:575.96:13-0.36:012.56:347:46Waning Crescent27Tue
28Wed1:376.27:01-0.66:532.26:357:45Waning Crescent28Wed
29Thu12:338.32:166.57:46-0.87:431.86:367:43New Moon29Thu
30Fri1:268.42:546.88:30-0.88:341.56:367:42New Moon30Fri
31Sat2:208.23:327.19:13-0.69:261.16:377:40New Moon31Sat
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 6:24 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