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

TIDE TIMES for Sunday, June 21, 2026
The tide is currently rising in Joice Island, Suisun Slough, CA.
Next low tide (tomorrow) : 4:04 am (1.0 ft)
Next high tide : in 1h 58m at 9:21 pm (4.9 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:45 am
Moon phase : First Quarter (49% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Jun 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:295.46:184.212:08-0.15:468:25Waning Gibbous1Fri
2Sat4:075.27:054.212:41-0.15:468:26Waning Gibbous2Sat
3Sun4:505.07:524.212:042.21:15-0.15:458:26Waning Gibbous3Sun
4Mon5:384.68:384.212:582.11:510.05:458:27Third Quarter4Mon
5Tue6:364.29:224.22:002.02:310.15:458:28Third Quarter5Tue
6Wed7:453.810:024.43:101.83:160.25:458:28Third Quarter6Wed
7Thu9:103.610:394.64:221.54:020.45:448:29Third Quarter7Thu
8Fri10:373.511:114.95:271.14:480.65:448:29Waning Crescent8Fri
9Sat11:503.611:415.26:270.85:340.95:448:30Waning Crescent9Sat
10Sun12:543.87:210.46:191.25:448:30Waning Crescent10Sun
11Mon12:135.61:543.98:120.17:061.55:448:31Waning Crescent11Mon
12Tue12:486.02:514.19:02-0.17:561.85:448:31New Moon12Tue
13Wed1:286.23:474.39:52-0.38:502.05:448:32New Moon13Wed
14Thu2:136.44:414.410:40-0.49:472.15:448:32New Moon14Thu
15Fri3:016.45:354.511:28-0.510:472.15:448:33Waxing Crescent15Fri
16Sat3:526.26:284.612:15-0.55:448:33Waxing Crescent16Sat
17Sun4:485.87:214.71:03-0.45:448:33Waxing Crescent17Sun
18Mon5:505.38:134.812:561.91:52-0.35:448:34First Quarter18Mon
19Tue7:024.79:054.92:071.72:42-0.15:448:34First Quarter19Tue
20Wed8:244.39:565.13:211.43:320.25:458:34First Quarter20Wed
21Thu9:454.010:445.34:341.04:220.45:458:34First Quarter21Thu
22Fri11:003.811:285.45:420.65:110.85:458:34Waxing Gibbous22Fri
23Sat12:063.96:430.35:571.15:458:35Waxing Gibbous23Sat
24Sun12:085.51:064.07:380.06:421.55:468:35Waxing Gibbous24Sun
25Mon12:435.62:014.18:28-0.17:241.85:468:35Waxing Gibbous25Mon
26Tue1:135.62:524.29:15-0.28:072.15:468:35Full Moon26Tue
27Wed1:405.63:414.49:57-0.28:492.35:478:35Full Moon27Wed
28Thu2:065.64:274.410:36-0.19:312.45:478:35Full Moon28Thu
29Fri2:355.65:104.411:11-0.110:142.45:478:35Full Moon29Fri
30Sat3:095.55:504.411:410.010:582.35:488:35Waning Gibbous30Sat
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 12:42 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 neap phase. Tonight's moon is 49% 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 minimum.

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 (49% illuminated). This places Joice Island, Suisun Slough, CA in a neap tide cycle, so tidal ranges are near their weekly minimum 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