Tides Today & Tomorrow in Edgerley Island, Napa River, CA

TIDE TIMES for Friday, July 17, 2026
The tide is currently falling in Edgerley Island, Napa River, CA.
Next low tide : in 4h 18m at 11:11 pm (1.6 ft)
Next high tide (tomorrow) : 4:37 am (5.9 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 6:00 am
Moon phase : Waxing Crescent (15% illuminated)
Tide Station Location : Station #9415415
Common Questions About Tides

Edgerley Island, Napa River, CA Tides - Sep 2057

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat3:146.04:125.89:490.310:121.16:397:38Waxing Crescent1Sat
2Sun4:025.74:446.010:240.611:000.96:407:36Waxing Crescent2Sun
3Mon4:565.35:206.111:021.011:550.86:417:35Waxing Crescent3Mon
4Tue6:014.86:026.211:461.56:427:33First Quarter4Tue
5Wed7:234.56:526.312:590.612:391.96:437:32First Quarter5Wed
6Thu8:584.47:536.42:120.41:492.36:447:30First Quarter6Thu
7Fri10:264.69:006.53:260.23:122.46:447:29First Quarter7Fri
8Sat11:325.010:086.64:35-0.14:292.36:457:27Waxing Gibbous8Sat
9Sun12:225.35:34-0.35:332.16:467:26Waxing Gibbous9Sun
10Mon1:055.56:26-0.46:281.86:477:24Waxing Gibbous10Mon
11Tue12:086.91:435.87:12-0.47:181.56:487:22Full Moon11Tue
12Wed1:026.82:195.97:54-0.38:061.26:497:21Full Moon12Wed
13Thu1:536.62:546.08:34-0.18:511.06:497:19Full Moon13Thu
14Fri2:426.33:266.19:120.29:370.86:507:18Full Moon14Fri
15Sat3:325.93:586.19:490.610:220.76:517:16Waning Gibbous15Sat
16Sun4:225.54:306.010:271.111:080.76:527:15Waning Gibbous16Sun
17Mon5:175.05:035.911:061.511:580.76:537:13Waning Gibbous17Mon
18Tue6:214.65:405.711:511.96:547:11Third Quarter18Tue
19Wed7:394.46:245.612:550.812:482.36:557:10Third Quarter19Wed
20Thu9:114.47:195.42:000.82:052.56:567:08Third Quarter20Thu
21Fri10:294.68:235.43:090.73:262.66:567:07Third Quarter21Fri
22Sat11:224.89:285.44:130.64:312.56:577:05Third Quarter22Sat
23Sun12:015.05:060.55:222.26:587:04Waning Crescent23Sun
24Mon12:325.15:500.36:032.06:597:02Waning Crescent24Mon
25Tue12:595.36:280.26:401.77:007:00Waning Crescent25Tue
26Wed12:075.91:265.57:020.27:151.47:016:59Waning Crescent26Wed
27Thu12:526.01:535.77:350.27:511.17:026:57New Moon27Thu
28Fri1:376.02:215.98:070.38:280.87:036:56New Moon28Fri
29Sat2:245.92:506.18:400.69:090.57:036:54New Moon29Sat
30Sun3:135.73:216.39:150.99:520.27:046:53Waxing Crescent30Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415415)

Common Questions About Edgerley Island, Napa River, CA Tides

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What time does the tide turn (slack tide) in Edgerley Island, Napa River, CA today?

Slack tide in Edgerley Island, Napa River, CA is approximately 1:54 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 Edgerley Island, Napa River, CA?

Edgerley Island, Napa River, CA is currently in a spring phase. Tonight's moon is 15% 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 Edgerley Island, Napa River, 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 Edgerley Island, Napa River, CA?

Tide predictions for Edgerley Island, Napa River, 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 Edgerley Island, Napa River, CA?

Tide data for Edgerley Island, Napa River, CA is sourced from NOAA Station #9415415. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415415.

What is the moon phase in Edgerley Island, Napa River, CA tonight?

Tonight the moon over Edgerley Island, Napa River, CA is Waxing Crescent (15% illuminated). This places Edgerley Island, Napa River, 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