Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Saturday, June 6, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 2h 41m at 12:26 am (2.9 ft)
Next high tide : 5:19 am (5.8 ft)
Sunset today : 8:29 pm
Sunrise tomorrow : 5:45 am
Moon phase : Waning Gibbous (75% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Sep 2026

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue5:025.74:577.410:511.611:560.66:397:39Waning Gibbous1Tue
2Wed6:115.35:377.511:312.26:397:37Third Quarter2Wed
3Thu7:394.96:287.51:000.512:222.76:407:36Third Quarter3Thu
4Fri9:224.97:327.52:140.31:343.16:417:34Third Quarter4Fri
5Sat10:475.28:467.53:330.13:063.26:427:32Third Quarter5Sat
6Sun11:435.69:587.64:44-0.14:293.06:437:31Waning Crescent6Sun
7Mon12:276.05:43-0.35:352.66:447:29Waning Crescent7Mon
8Tue1:046.36:33-0.56:312.16:457:28Waning Crescent8Tue
9Wed12:047.81:396.67:16-0.47:221.66:457:26New Moon9Wed
10Thu12:597.72:126.97:55-0.28:091.26:467:25New Moon10Thu
11Fri1:517.42:437.18:320.18:550.96:477:23New Moon11Fri
12Sat2:427.03:147.29:070.69:400.76:487:22New Moon12Sat
13Sun3:336.53:437.29:421.110:250.56:497:20Waxing Crescent13Sun
14Mon4:266.04:137.210:171.711:110.56:507:18Waxing Crescent14Mon
15Tue5:245.54:457.010:542.26:517:17Waxing Crescent15Tue
16Wed6:315.25:216.812:000.611:36 AM2.76:517:15Waxing Crescent16Wed
17Thu7:575.06:076.612:560.712:323.16:527:14First Quarter17Thu
18Fri9:375.07:066.32:030.81:583.36:537:12First Quarter18Fri
19Sat10:495.28:166.33:150.83:293.36:547:10First Quarter19Sat
20Sun11:335.49:256.34:200.74:353.06:557:09First Quarter20Sun
21Mon12:055.65:130.55:252.76:567:07Waxing Gibbous21Mon
22Tue12:315.85:550.46:062.46:577:06Waxing Gibbous22Tue
23Wed12:546.06:310.36:432.06:587:04Waxing Gibbous23Wed
24Thu12:066.71:176.37:030.37:191.66:587:03Waxing Gibbous24Thu
25Fri12:536.71:406.67:330.47:541.16:597:01Full Moon25Fri
26Sat1:396.72:056.98:030.78:310.77:006:59Full Moon26Sat
27Sun2:276.52:327.38:351.09:110.37:016:58Full Moon27Sun
28Mon3:186.33:027.59:081.59:550.07:026:56Waning Gibbous28Mon
29Tue4:146.03:357.79:451.910:43-0.27:036:55Waning Gibbous29Tue
30Wed5:165.74:157.710:252.411:37-0.27:046:53Waning Gibbous30Wed
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 2:52 am — 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 75% 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 Waning Gibbous (75% 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