38.1800’ N, 122.0450’ W

Joice Island, Suisun Slough, CA

64°
H -°
L 56°
WSW
6mph
High tide
6:00 am

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

TIDE TIMES for Wednesday, September 30, 2026
The tide is currently rising in Joice Island, Suisun Slough, CA.
Next low tide : 11:16 am (1.7 ft)
Next high tide : in 3h 07m at 6:00 am (4.0 ft)
Sunset today : 6:52 pm
Sunrise tomorrow : 7:03 am
Moon phase : Waning Gibbous (80% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Mar 1862

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat2:425.02:354.89:140.89:260.36:466:08New Moon1Sat
2Sun3:105.03:214.59:580.79:510.66:456:09Waxing Crescent2Sun
3Mon3:335.04:094.210:410.610:160.96:446:10Waxing Crescent3Mon
4Tue3:545.05:033.911:250.610:451.16:426:11Waxing Crescent4Tue
5Wed4:185.16:053.712:130.66:416:12Waxing Crescent5Wed
6Thu4:485.07:163.51:100.76:396:13First Quarter6Thu
7Fri5:284.98:303.512:071.72:190.76:386:14First Quarter7Fri
8Sat6:184.89:383.61:042.03:300.66:366:15First Quarter8Sat
9Sun7:224.610:363.82:162.14:320.46:356:16First Quarter9Sun
10Mon8:384.511:244.03:332.15:230.26:336:17Waxing Gibbous10Mon
11Tue9:524.64:421.96:050.16:326:18Waxing Gibbous11Tue
12Wed12:054.210:54 AM4.75:401.66:420.16:306:19Waxing Gibbous12Wed
13Thu12:394.311:48 AM4.86:311.37:130.16:296:20Waxing Gibbous13Thu
14Fri1:084.512:384.97:190.97:420.26:276:21Full Moon14Fri
15Sat1:334.71:274.98:050.78:100.46:266:22Full Moon15Sat
16Sun1:555.02:174.88:510.48:400.56:246:23Full Moon16Sun
17Mon2:195.33:094.69:380.29:140.86:236:24Full Moon17Mon
18Tue2:495.64:064.410:280.19:531.06:216:25Waning Gibbous18Tue
19Wed3:255.75:094.111:230.110:381.36:206:26Waning Gibbous19Wed
20Thu4:075.76:213.912:260.26:186:27Waning Gibbous20Thu
21Fri4:575.57:383.81:390.26:166:28Third Quarter21Fri
22Sat5:575.28:513.912:341.82:530.26:156:28Third Quarter22Sat
23Sun7:174.99:554.11:562.04:020.06:136:29Third Quarter23Sun
24Mon8:524.710:504.43:241.85:00-0.16:126:30Waning Crescent24Mon
25Tue10:134.611:384.64:411.55:50-0.26:106:31Waning Crescent25Tue
26Wed11:174.65:451.16:33-0.16:096:32Waning Crescent26Wed
27Thu12:204.812:114.66:410.87:110.06:076:33Waning Crescent27Thu
28Fri12:565.012:594.57:310.57:450.36:066:34New Moon28Fri
29Sat1:285.01:464.48:180.38:150.66:046:35New Moon29Sat
30Sun1:555.12:314.39:020.28:410.96:036:36New Moon30Sun
31Mon2:165.13:184.29:430.29:071.26:016:37New Moon31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (9415379)

Common Questions About Joice Island, Suisun Slough, CA Tides

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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 80% 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 Waning Gibbous (80% 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