Tides Today & Tomorrow in Joice Island, Suisun Slough, CA

TIDE TIMES for Sunday, August 16, 2026
The tide is currently falling in Joice Island, Suisun Slough, CA.
Next low tide (tomorrow) : in 5h 53m at 12:56 am (1.0 ft)
Next high tide (tomorrow) : 6:14 am (4.3 ft)
Sunset today : 8:00 pm
Sunrise tomorrow : 6:24 am
Moon phase : Waxing Crescent (19% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Mar 1946

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:244.412:015.36:471.98:06-0.26:406:01Waning Crescent1Fri
2Sat1:584.512:505.47:341.68:38-0.26:386:02New Moon2Sat
3Sun2:284.51:375.48:201.39:07-0.26:376:03New Moon3Sun
4Mon2:544.62:255.29:041.09:350.06:356:04New Moon4Mon
5Tue3:194.83:165.09:500.710:060.16:346:05Waxing Crescent5Tue
6Wed3:465.04:114.610:390.510:400.46:336:06Waxing Crescent6Wed
7Thu4:185.25:154.211:340.511:190.86:316:07Waxing Crescent7Thu
8Fri4:565.36:333.812:410.56:306:08First Quarter8Fri
9Sat5:425.38:003.712:061.22:020.56:286:09First Quarter9Sat
10Sun6:375.29:233.81:041.63:260.46:276:10First Quarter10Sun
11Mon7:475.110:344.02:192.04:400.26:256:11First Quarter11Mon
12Tue9:095.111:324.33:442.15:410.06:246:11Waxing Gibbous12Tue
13Wed10:255.15:001.96:33-0.26:226:12Waxing Gibbous13Wed
14Thu12:224.611:28 AM5.16:041.77:18-0.26:216:13Waxing Gibbous14Thu
15Fri1:064.812:215.17:001.47:58-0.26:196:14Waxing Gibbous15Fri
16Sat1:454.81:095.07:511.18:32-0.16:186:15Full Moon16Sat
17Sun2:204.81:534.88:370.99:020.16:166:16Full Moon17Sun
18Mon2:514.82:374.69:210.89:260.46:156:17Full Moon18Mon
19Tue3:154.73:214.410:030.69:470.66:136:18Waning Gibbous19Tue
20Wed3:334.74:084.110:440.510:090.86:116:19Waning Gibbous20Wed
21Thu3:484.85:023.811:250.510:381.16:106:20Waning Gibbous21Thu
22Fri4:094.96:043.612:100.56:086:21Waning Gibbous22Fri
23Sat4:384.97:163.51:050.56:076:22Waning Gibbous23Sat
24Sun5:174.88:313.512:001.82:130.56:056:23Third Quarter24Sun
25Mon6:064.79:393.712:572.13:250.56:046:24Third Quarter25Mon
26Tue7:084.610:373.92:092.34:280.36:026:25Third Quarter26Tue
27Wed8:244.511:244.13:292.25:200.16:016:26Third Quarter27Wed
28Thu9:444.54:402.06:040.05:596:27Waning Crescent28Thu
29Fri12:054.210:52 AM4.75:391.76:43-0.15:586:28Waning Crescent29Fri
30Sat12:394.411:50 AM4.86:311.37:17-0.15:566:29Waning Crescent30Sat
31Sun1:094.512:424.97:190.97:500.05:546:29New Moon31Sun
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415379)

Common Questions About Joice Island, Suisun Slough, CA Tides

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What time does the tide turn (slack tide) in Joice Island, Suisun Slough, CA today?

Slack tide in Joice Island, Suisun Slough, CA is approximately 3:35 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 Joice Island, Suisun Slough, CA?

Joice Island, Suisun Slough, CA is currently in a spring phase. Tonight's moon is 19% 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 Joice Island, Suisun Slough, 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 Joice Island, Suisun Slough, CA?

Tide predictions for Joice Island, Suisun Slough, 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 Joice Island, Suisun Slough, CA?

Tide data for Joice Island, Suisun Slough, CA is sourced from NOAA Station #9415379. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=9415379.

What is the moon phase in Joice Island, Suisun Slough, CA tonight?

Tonight the moon over Joice Island, Suisun Slough, CA is Waxing Crescent (19% illuminated). This places Joice Island, Suisun Slough, 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