Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Friday, July 3, 2026
The tide is currently rising in Napa, CA.
Next low tide : 11:01 pm (2.7 ft)
Next high tide : in 3h 13m at 5:46 pm (5.8 ft)
Sunset today : 8:36 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waning Gibbous (87% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Jun 1995

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu3:186.75:335.510:38-0.410:422.65:478:26Waxing Crescent1Thu
2Fri3:566.46:125.511:15-0.311:312.65:468:27Waxing Crescent2Fri
3Sat4:386.16:535.611:54-0.15:468:27Waxing Crescent3Sat
4Sun5:275.77:365.812:302.512:380.15:468:28First Quarter4Sun
5Mon6:265.28:196.11:372.41:250.45:458:29First Quarter5Mon
6Tue7:384.99:016.42:462.02:170.75:458:29First Quarter6Tue
7Wed9:014.79:446.83:501.53:121.05:458:30First Quarter7Wed
8Thu10:244.710:267.34:450.94:071.35:458:30Waxing Gibbous8Thu
9Fri11:395.011:097.75:360.25:021.65:458:31Waxing Gibbous9Fri
10Sat12:445.36:25-0.45:551.85:458:31Waxing Gibbous10Sat
11Sun1:435.67:13-0.96:482.05:448:32Full Moon11Sun
12Mon12:418.42:375.98:00-1.37:422.15:448:32Full Moon12Mon
13Tue1:298.53:286.28:49-1.58:362.15:448:33Full Moon13Tue
14Wed2:198.44:186.39:37-1.59:332.15:448:33Waning Gibbous14Wed
15Thu3:118.15:076.510:25-1.410:332.15:448:34Waning Gibbous15Thu
16Fri4:057.65:566.611:14-1.111:392.05:448:34Waning Gibbous16Fri
17Sat5:016.96:466.712:04-0.65:458:34Waning Gibbous17Sat
18Sun6:036.27:366.812:511.912:56-0.15:458:35Third Quarter18Sun
19Mon7:135.48:266.92:061.71:490.55:458:35Third Quarter19Mon
20Tue8:334.99:147.03:201.42:451.05:458:35Third Quarter20Tue
21Wed9:594.710:007.14:261.03:421.55:458:35Third Quarter21Wed
22Thu11:184.810:427.25:230.64:371.85:458:36Waning Crescent22Thu
23Fri12:245.06:120.35:292.15:468:36Waning Crescent23Fri
24Sat1:185.26:540.06:162.35:468:36Waning Crescent24Sat
25Sun2:045.47:32-0.27:002.55:468:36Waning Crescent25Sun
26Mon12:347.42:445.58:06-0.37:412.55:478:36New Moon26Mon
27Tue1:107.43:205.68:39-0.48:202.65:478:36New Moon27Tue
28Wed1:457.33:545.79:10-0.48:582.65:478:36New Moon28Wed
29Thu2:227.24:275.89:42-0.49:372.55:488:36New Moon29Thu
30Fri2:587.04:595.910:13-0.410:192.55:488:36Waxing Crescent30Fri
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 8:23 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 87% 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 (87% 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