Tides Today & Tomorrow in Napa, CA

TIDE TIMES for Saturday, June 13, 2026
The tide is currently rising in Napa, CA.
Next low tide : 6:40 pm (2.6 ft)
Next high tide : in 1h 57m at 2:03 pm (5.5 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:44 am
Moon phase : New Moon (3% illuminated)
Tide Station Location : Station #9415623
Common Questions About Tides

Napa, CA Tides - Sep 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:205.36:236.912:201.212:131.86:387:39Third Quarter1Sat
2Sun7:425.07:147.01:241.01:082.36:397:37Third Quarter2Sun
3Mon9:145.08:147.22:350.82:182.66:407:36Third Quarter3Mon
4Tue10:365.39:197.43:470.43:352.76:417:34Third Quarter4Tue
5Wed11:385.710:237.74:520.04:452.56:427:33Waning Crescent5Wed
6Thu12:276.15:48-0.35:462.36:437:31Waning Crescent6Thu
7Fri1:116.46:39-0.56:411.96:447:29Waning Crescent7Fri
8Sat12:218.11:516.77:26-0.67:321.56:447:28New Moon8Sat
9Sun1:168.12:307.08:11-0.58:231.26:457:26New Moon9Sun
10Mon2:097.93:087.28:53-0.29:120.96:467:25New Moon10Mon
11Tue3:027.53:467.39:350.210:030.76:477:23Waxing Crescent11Tue
12Wed3:567.04:247.310:180.610:540.66:487:22Waxing Crescent12Wed
13Thu4:526.55:037.211:011.211:490.66:497:20Waxing Crescent13Thu
14Fri5:545.95:457.011:491.86:507:18Waxing Crescent14Fri
15Sat7:055.56:326.812:480.712:452.36:517:17First Quarter15Sat
16Sun8:305.37:276.51:540.81:562.66:517:15First Quarter16Sun
17Mon9:555.48:286.43:030.83:142.86:527:14First Quarter17Mon
18Tue11:015.69:316.44:080.74:242.76:537:12First Quarter18Tue
19Wed11:495.810:296.55:040.65:202.66:547:11Waxing Gibbous19Wed
20Thu12:276.05:520.56:062.36:557:09Waxing Gibbous20Thu
21Fri12:586.16:320.46:452.16:567:07Waxing Gibbous21Fri
22Sat12:066.71:256.27:070.47:211.86:577:06Waxing Gibbous22Sat
23Sun12:496.81:516.47:390.47:541.56:577:04Full Moon23Sun
24Mon1:306.82:176.58:090.58:271.36:587:03Full Moon24Mon
25Tue2:116.72:446.78:390.79:001.06:597:01Full Moon25Tue
26Wed2:536.53:126.89:100.99:360.87:007:00Full Moon26Wed
27Thu3:376.33:427.09:431.210:170.67:016:58Waning Gibbous27Thu
28Fri4:276.04:157.010:191.611:020.57:026:56Waning Gibbous28Fri
29Sat5:235.74:547.111:002.011:540.47:036:55Waning Gibbous29Sat
30Sun6:305.45:407.011:492.47:046:53Third Quarter30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415623)

Common Questions About Napa, CA Tides

Show All
What time does the tide turn (slack tide) in Napa, CA today?

Slack tide in Napa, CA is approximately 4:21 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 3% 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 New Moon (3% 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