Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Monday, June 8, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 5h 06m at 2:21 pm (0.6 ft)
Next high tide : 9:03 pm (6.3 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:45 am
Moon phase : Third Quarter (46% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - May 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:354.910:505.94:391.84:210.76:128:00First Quarter1Thu
2Fri10:445.011:226.35:261.35:060.96:108:01Waxing Gibbous2Fri
3Sat11:465.211:546.76:070.85:481.16:098:02Waxing Gibbous3Sat
4Sun12:435.46:460.36:281.36:088:03Waxing Gibbous4Sun
5Mon12:287.11:375.67:26-0.37:091.56:078:04Full Moon5Mon
6Tue1:037.42:305.78:06-0.77:511.76:068:05Full Moon6Tue
7Wed1:417.73:225.88:49-1.18:361.96:058:05Full Moon7Wed
8Thu2:227.94:155.89:35-1.39:242.16:048:06Full Moon8Thu
9Fri3:077.85:095.810:24-1.310:162.26:038:07Waning Gibbous9Fri
10Sat3:567.66:055.811:15-1.211:172.36:028:08Waning Gibbous10Sat
11Sun4:517.27:035.912:10-1.06:018:09Waning Gibbous11Sun
12Mon5:536.68:016.012:302.31:08-0.66:008:10Third Quarter12Mon
13Tue7:046.08:576.31:542.12:09-0.25:598:11Third Quarter13Tue
14Wed8:235.59:486.63:161.73:100.25:588:12Third Quarter14Wed
15Thu9:455.210:346.94:261.24:070.65:578:13Waning Crescent15Thu
16Fri11:025.211:167.25:260.75:000.95:568:14Waning Crescent16Fri
17Sat12:105.26:180.25:491.35:568:15Waning Crescent17Sat
18Sun1:095.47:03-0.26:351.65:558:15Waning Crescent18Sun
19Mon12:307.42:035.57:44-0.57:181.95:548:16New Moon19Mon
20Tue1:047.42:525.58:22-0.67:592.15:538:17New Moon20Tue
21Wed1:377.33:375.68:58-0.78:402.35:538:18New Moon21Wed
22Thu2:107.24:205.59:33-0.69:212.55:528:19New Moon22Thu
23Fri2:447.05:015.510:08-0.610:032.65:518:20Waxing Crescent23Fri
24Sat3:206.75:415.410:44-0.510:482.65:518:20Waxing Crescent24Sat
25Sun3:586.46:225.411:22-0.311:392.65:508:21Waxing Crescent25Sun
26Mon4:406.17:045.412:02-0.15:498:22Waxing Crescent26Mon
27Tue5:285.67:465.612:392.612:450.25:498:23First Quarter27Tue
28Wed6:255.28:285.81:482.41:320.45:488:23First Quarter28Wed
29Thu7:354.89:086.12:572.12:220.75:488:24First Quarter29Thu
30Fri8:554.59:476.43:581.73:141.15:488:25First Quarter30Fri
31Sat10:164.510:256.84:501.14:061.45:478:26Waxing Gibbous31Sat
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 5:42 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 46% 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 (46% 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