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

TIDE TIMES for Tuesday, August 4, 2026
The tide is currently falling in Joice Island, Suisun Slough, CA.
Next low tide : in 3h 55m at 12:54 pm (0.8 ft)
Next high tide : 6:48 pm (5.4 ft)
Sunset today : 8:14 pm
Sunrise tomorrow : 6:13 am
Moon phase : Third Quarter (64% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Oct 2090

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun10:234.39:424.54:330.24:061.77:046:50First Quarter1Sun
2Mon11:194.510:524.55:310.25:141.57:056:48Waxing Gibbous2Mon
3Tue12:094.66:220.16:151.37:066:47Waxing Gibbous3Tue
4Wed12:524.87:060.17:081.07:076:45Waxing Gibbous4Wed
5Thu12:414.51:304.87:440.27:560.87:086:44Waxing Gibbous5Thu
6Fri1:264.52:024.88:180.48:400.77:096:42Full Moon6Fri
7Sat2:094.42:294.88:470.69:210.67:106:41Full Moon7Sat
8Sun2:504.32:494.99:120.99:590.67:116:39Full Moon8Sun
9Mon3:314.33:055.09:361.010:350.57:126:38Full Moon9Mon
10Tue4:134.23:245.110:031.211:070.57:126:36Waning Gibbous10Tue
11Wed4:584.13:525.210:351.311:390.47:136:35Waning Gibbous11Wed
12Thu5:473.94:285.311:141.57:146:34Waning Gibbous12Thu
13Fri6:443.85:115.212:150.412:001.67:156:32Waning Gibbous13Fri
14Sat7:473.86:015.11:010.412:531.77:166:31Third Quarter14Sat
15Sun8:523.87:014.92:020.41:571.87:176:29Third Quarter15Sun
16Mon9:543.98:134.73:150.43:111.77:186:28Third Quarter16Mon
17Tue10:484.19:354.64:240.34:281.57:196:27Third Quarter17Tue
18Wed11:354.410:554.65:230.25:381.27:206:25Waning Crescent18Wed
19Thu12:184.76:140.26:400.87:216:24Waning Crescent19Thu
20Fri12:044.712:565.07:000.37:380.47:226:22Waning Crescent20Fri
21Sat1:054.81:325.27:430.48:330.17:236:21New Moon21Sat
22Sun2:024.92:085.48:250.69:26-0.17:246:20New Moon22Sun
23Mon2:594.82:435.69:080.910:19-0.27:256:19New Moon23Mon
24Tue3:554.73:205.69:521.111:12-0.27:266:17Waxing Crescent24Tue
25Wed4:534.63:595.610:381.37:276:16Waxing Crescent25Wed
26Thu5:524.54:415.412:04-0.211:27 AM1.57:286:15Waxing Crescent26Thu
27Fri6:534.45:295.112:58-0.112:221.77:296:14Waxing Crescent27Fri
28Sat7:544.36:264.71:540.01:231.87:306:12First Quarter28Sat
29Sun8:544.37:394.32:510.12:331.77:316:11First Quarter29Sun
30Mon9:524.49:034.03:490.13:461.67:326:10First Quarter30Mon
31Tue10:444.510:203.94:430.24:541.37:336:09First Quarter31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415379)

Common Questions About Joice Island, Suisun Slough, CA Tides

Show All
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 3:51 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 64% 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 Third Quarter (64% 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