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 46m 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 - May 2018

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:145.24:484.211:08-0.110:171.56:117:59Full Moon1Tue
2Wed3:375.25:404.111:50-0.110:541.76:098:00Waning Gibbous2Wed
3Thu4:035.26:354.012:32-0.16:088:01Waning Gibbous3Thu
4Fri4:375.07:314.01:140.06:078:02Waning Gibbous4Fri
5Sat5:184.88:284.012:262.02:010.16:068:03Waning Gibbous5Sat
6Sun6:074.59:244.01:242.12:520.16:058:04Third Quarter6Sun
7Mon7:074.110:154.12:342.03:450.16:048:04Third Quarter7Mon
8Tue8:243.811:014.23:501.94:360.26:038:05Third Quarter8Tue
9Wed9:543.711:414.45:001.55:210.26:028:06Third Quarter9Wed
10Thu11:113.76:001.26:010.36:018:07Waning Crescent10Thu
11Fri12:144.612:133.86:540.86:380.56:008:08Waning Crescent11Fri
12Sat12:414.81:103.97:420.57:130.75:598:09Waning Crescent12Sat
13Sun1:065.12:034.08:290.27:501.05:588:10Waning Crescent13Sun
14Mon1:315.42:564.19:150.08:291.35:578:11New Moon14Mon
15Tue2:015.73:514.210:01-0.29:131.55:568:12New Moon15Tue
16Wed2:375.94:474.210:47-0.310:011.75:568:13New Moon16Wed
17Thu3:186.05:454.211:36-0.410:541.85:558:13Waxing Crescent17Thu
18Fri4:046.06:444.212:27-0.45:548:14Waxing Crescent18Fri
19Sat4:555.77:454.31:22-0.35:538:15Waxing Crescent19Sat
20Sun5:545.38:444.412:591.92:20-0.25:538:16First Quarter20Sun
21Mon7:054.89:414.52:151.83:19-0.25:528:17First Quarter21Mon
22Tue8:314.310:334.83:341.64:16-0.15:518:18First Quarter22Tue
23Wed9:594.111:225.04:491.25:090.15:518:18First Quarter23Wed
24Thu11:134.05:560.75:570.35:508:19Waxing Gibbous24Thu
25Fri12:055.212:184.06:560.36:400.55:498:20Waxing Gibbous25Fri
26Sat12:445.31:164.07:510.07:200.95:498:21Waxing Gibbous26Sat
27Sun1:185.42:104.18:41-0.27:581.25:488:22Full Moon27Sun
28Mon1:475.53:024.19:28-0.28:341.65:488:22Full Moon28Mon
29Tue2:115.53:524.210:13-0.39:101.95:478:23Full Moon29Tue
30Wed2:335.54:424.210:54-0.29:482.15:478:24Full Moon30Wed
31Thu2:585.45:304.211:32-0.210:302.25:468:24Waning Gibbous31Thu
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