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 : in 57m at 12:00 am (1.1 ft)
Next high tide : 5:14 am (4.8 ft)
Sunset today : 8:01 pm
Sunrise tomorrow : 6:23 am
Moon phase : Waxing Crescent (12% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Dec 1947

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon5:244.13:205.910:152.211:56-0.47:054:48Waning Gibbous1Mon
2Tue6:204.24:195.511:212.17:064:48Waning Gibbous2Tue
3Wed7:164.25:274.912:50-0.312:352.07:074:48Third Quarter3Wed
4Thu8:094.36:504.41:45-0.21:541.77:084:48Third Quarter4Thu
5Fri9:004.58:204.02:39-0.13:121.27:094:48Third Quarter5Fri
6Sat9:474.89:413.83:300.14:230.87:104:48Waning Crescent6Sat
7Sun10:305.010:503.84:180.35:270.37:114:48Waning Crescent7Sun
8Mon11:085.211:533.85:010.76:25-0.17:114:48Waning Crescent8Mon
9Tue11:435.45:421.07:17-0.37:124:48Waning Crescent9Tue
10Wed12:503.912:125.56:211.48:06-0.47:134:48New Moon10Wed
11Thu1:444.112:385.67:001.88:52-0.47:144:48New Moon11Thu
12Fri2:364.21:035.67:412.19:35-0.37:154:48New Moon12Fri
13Sat3:264.31:305.68:232.410:14-0.37:154:48New Moon13Sat
14Sun4:144.32:035.59:072.410:51-0.27:164:48Waxing Crescent14Sun
15Mon5:004.32:425.39:532.411:24-0.17:174:49Waxing Crescent15Mon
16Tue5:444.23:255.010:412.311:56-0.17:174:49Waxing Crescent16Tue
17Wed6:274.14:144.711:322.27:184:49Waxing Crescent17Wed
18Thu7:084.15:094.212:27-0.112:292.07:194:50First Quarter18Thu
19Fri7:484.16:143.81:010.01:331.77:194:50First Quarter19Fri
20Sat8:244.27:363.41:400.12:441.47:204:51First Quarter20Sat
21Sun8:574.49:063.32:220.33:531.17:204:51First Quarter21Sun
22Mon9:274.710:263.33:070.74:570.77:214:51Waxing Gibbous22Mon
23Tue9:575.111:353.53:521.05:550.47:214:52Waxing Gibbous23Tue
24Wed10:305.54:391.46:480.17:224:53Waxing Gibbous24Wed
25Thu12:383.811:09 AM5.95:281.87:39-0.17:224:53Waxing Gibbous25Thu
26Fri1:354.011:51 AM6.26:192.18:29-0.37:234:54Full Moon26Fri
27Sat2:304.212:386.47:152.39:18-0.47:234:54Full Moon27Sat
28Sun3:224.31:286.48:132.310:04-0.57:234:55Full Moon28Sun
29Mon4:124.42:226.39:132.210:50-0.57:244:56Waning Gibbous29Mon
30Tue5:014.43:185.910:142.011:35-0.57:244:56Waning Gibbous30Tue
31Wed5:494.54:195.411:181.87:244:57Waning Gibbous31Wed
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 2:37 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 12% 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 (12% 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