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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently rising in Joice Island, Suisun Slough, CA.
Next low tide : 2:13 pm (-0.1 ft)
Next high tide : in 1h 19m at 6:38 am (4.6 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:45 am
Moon phase : First Quarter (38% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Jan 2021

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:464.22:465.79:472.210:55-0.37:244:59Waning Gibbous1Fri
2Sat5:234.23:365.410:372.011:27-0.37:245:00Waning Gibbous2Sat
3Sun5:584.24:305.011:301.77:245:00Waning Gibbous3Sun
4Mon6:354.35:324.512:03-0.212:321.57:245:01Third Quarter4Mon
5Tue7:134.46:474.012:430.01:441.37:245:02Third Quarter5Tue
6Wed7:554.78:173.71:290.33:041.07:245:03Third Quarter6Wed
7Thu8:405.09:453.62:200.74:210.67:245:04Third Quarter7Thu
8Fri9:265.311:033.73:141.15:300.27:245:05Waning Crescent8Fri
9Sat10:135.74:121.56:32-0.17:245:06Waning Crescent9Sat
10Sun12:104.011:01 AM5.95:121.97:27-0.37:245:07Waning Crescent10Sun
11Mon1:114.211:49 AM6.06:122.18:19-0.47:245:08New Moon11Mon
12Tue2:054.512:376.17:132.39:07-0.57:235:09New Moon12Tue
13Wed2:564.61:245.98:112.39:50-0.47:235:10New Moon13Wed
14Thu3:444.72:125.79:062.210:31-0.47:235:11New Moon14Thu
15Fri4:284.73:005.49:592.011:07-0.37:235:12Waxing Crescent15Fri
16Sat5:104.63:495.010:521.811:41-0.17:225:13Waxing Crescent16Sat
17Sun5:504.64:434.511:461.77:225:14Waxing Crescent17Sun
18Mon6:294.55:453.912:120.112:441.57:215:15First Quarter18Mon
19Tue7:074.57:013.512:440.31:501.37:215:16First Quarter19Tue
20Wed7:444.58:243.21:190.73:021.17:205:17First Quarter20Wed
21Thu8:224.79:443.22:001.14:110.87:205:18First Quarter21Thu
22Fri8:594.810:553.42:491.55:140.57:195:20First Quarter22Fri
23Sat9:385.011:563.73:431.86:090.27:195:21Waxing Gibbous23Sat
24Sun10:175.24:402.16:570.17:185:22Waxing Gibbous24Sun
25Mon12:494.010:58 AM5.55:352.37:41-0.17:175:23Waxing Gibbous25Mon
26Tue1:364.211:40 AM5.66:282.48:20-0.27:175:24Waxing Gibbous26Tue
27Wed2:194.312:245.87:172.38:55-0.27:165:25Full Moon27Wed
28Thu2:584.41:095.88:052.29:27-0.37:155:26Full Moon28Thu
29Fri3:324.41:565.88:512.09:56-0.37:145:27Full Moon29Fri
30Sat4:034.42:445.69:371.710:24-0.37:135:29Waning Gibbous30Sat
31Sun4:324.43:345.310:251.410:54-0.27:135:30Waning Gibbous31Sun
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 10:25 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 transitional phase. Tonight's moon is 38% 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 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 First Quarter (38% illuminated). This places Joice Island, Suisun Slough, 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.

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