Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Napa, CA.
Next low tide : in 1h 46m at 10:23 am (-0.6 ft)
Next high tide : 5:16 pm (5.7 ft)
Sunset today : 8:36 pm
Sunrise tomorrow : 5:50 am
Moon phase : Waning Gibbous (93% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Apr 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon11:486.16:131.16:200.55:526:32Waxing Gibbous1Mon
2Tue12:266.312:336.16:480.86:520.65:516:33Full Moon2Tue
3Wed12:546.61:176.17:220.47:240.85:496:34Full Moon3Wed
4Thu1:246.82:036.17:590.17:591.15:486:35Full Moon4Thu
5Fri1:567.02:515.98:38-0.18:361.35:466:36Waning Gibbous5Fri
6Sat2:307.13:425.79:20-0.39:161.65:456:37Waning Gibbous6Sat
7Sun4:097.15:405.511:08-0.411:031.96:437:38Waning Gibbous7Sun
8Mon4:537.06:455.312:02-0.46:427:39Waning Gibbous8Mon
9Tue5:466.87:565.31:03-0.36:407:40Third Quarter9Tue
10Wed6:496.59:085.41:122.42:11-0.26:397:41Third Quarter10Wed
11Thu8:046.310:105.72:392.33:21-0.16:377:42Third Quarter11Thu
12Fri9:216.211:026.14:012.04:25-0.16:367:42Waning Crescent12Fri
13Sat10:356.211:466.55:071.55:200.06:357:43Waning Crescent13Sat
14Sun11:406.36:041.06:100.16:337:44Waning Crescent14Sun
15Mon12:266.912:406.36:540.56:550.46:327:45Waning Crescent15Mon
16Tue1:047.11:356.37:400.17:380.66:307:46New Moon16Tue
17Wed1:397.32:276.28:23-0.28:191.06:297:47New Moon17Wed
18Thu2:147.33:186.09:05-0.49:001.36:287:48New Moon18Thu
19Fri2:487.24:075.89:45-0.59:421.66:267:49New Moon19Fri
20Sat3:227.04:575.610:26-0.410:252.06:257:50Waxing Crescent20Sat
21Sun3:586.85:495.411:08-0.311:112.26:237:51Waxing Crescent21Sun
22Mon4:356.46:455.211:53-0.16:227:52Waxing Crescent22Mon
23Tue5:186.17:465.112:062.512:430.16:217:53Waxing Crescent23Tue
24Wed6:095.78:475.21:142.61:390.46:207:54First Quarter24Wed
25Thu7:105.39:415.32:312.52:390.56:187:55First Quarter25Thu
26Fri8:215.110:245.53:422.33:370.66:177:56First Quarter26Fri
27Sat9:325.011:015.84:401.94:280.76:167:57First Quarter27Sat
28Sun10:385.111:336.15:281.55:130.86:157:57Waxing Gibbous28Sun
29Mon11:375.26:091.15:540.96:137:58Waxing Gibbous29Mon
30Tue12:046.412:305.46:470.66:321.06:127:59Waxing Gibbous30Tue
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 1:49 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 93% 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 (93% 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