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

TIDE TIMES for Saturday, June 20, 2026
The tide is currently falling in Joice Island, Suisun Slough, CA.
Next low tide : in 5h 23m at 2:13 pm (-0.1 ft)
Next high tide : 8:36 pm (4.8 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 - Oct 2020

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu2:294.63:064.89:230.49:470.87:046:50Full Moon1Thu
2Fri3:114.43:274.89:470.710:260.77:056:48Full Moon2Fri
3Sat3:534.23:414.810:070.911:020.67:066:47Full Moon3Sat
4Sun4:374.13:565.010:301.111:360.67:076:45Waning Gibbous4Sun
5Mon5:263.94:205.110:591.47:086:44Waning Gibbous5Mon
6Tue6:233.74:535.212:110.611:37 AM1.67:096:42Waning Gibbous6Tue
7Wed7:303.65:345.212:510.612:211.97:106:41Waning Gibbous7Wed
8Thu8:413.66:235.01:460.61:162.17:116:39Third Quarter8Thu
9Fri9:493.77:224.93:000.52:222.27:116:38Third Quarter9Fri
10Sat10:483.88:344.74:160.43:392.27:126:37Third Quarter10Sat
11Sun11:384.09:554.75:170.34:541.97:136:35Third Quarter11Sun
12Mon12:204.26:080.15:591.67:146:34Waning Crescent12Mon
13Tue12:564.46:520.06:571.17:156:32Waning Crescent13Tue
14Wed12:174.91:294.77:320.17:510.77:166:31Waning Crescent14Wed
15Thu1:165.01:594.98:090.28:440.47:176:29New Moon15Thu
16Fri2:125.02:285.28:460.49:360.17:186:28New Moon16Fri
17Sat3:094.92:595.59:240.710:30-0.17:196:27New Moon17Sat
18Sun4:074.73:345.710:041.011:24-0.27:206:25Waxing Crescent18Sun
19Mon5:084.54:125.710:481.37:216:24Waxing Crescent19Mon
20Tue6:134.34:555.612:21-0.211:36 AM1.67:226:23Waxing Crescent20Tue
21Wed7:214.25:455.31:22-0.112:331.97:236:21First Quarter21Wed
22Thu8:304.26:474.92:27-0.11:402.07:246:20First Quarter22Thu
23Fri9:354.38:084.53:320.02:592.07:256:19First Quarter23Fri
24Sat10:344.49:404.34:350.04:181.87:266:17First Quarter24Sat
25Sun11:264.610:554.25:30-0.15:271.57:276:16Waxing Gibbous25Sun
26Mon12:114.76:180.06:281.17:286:15Waxing Gibbous26Mon
27Tue12:514.86:590.17:200.77:296:14Waxing Gibbous27Tue
28Wed12:484.11:254.97:350.38:080.57:306:12Waxing Gibbous28Wed
29Thu1:364.11:544.98:060.58:520.37:316:11Full Moon29Thu
30Fri2:224.02:154.98:330.89:340.27:326:10Full Moon30Fri
31Sat3:074.02:305.08:561.210:130.27:336:09Full Moon31Sat
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 5:24 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 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.

LEARN MORE ABOUT OUR TIDE DATA