38.1800’ N, 122.0450’ W

Joice Island, Suisun Slough, CA

69°
H 70°
L 48°
SW
9mph
High tide
5:11 pm

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

TIDE TIMES for Friday, October 30, 2026
The tide is currently rising in Joice Island, Suisun Slough, CA.
Next low tide (tomorrow) : 1:59 am (-0.1 ft)
Next high tide : in 1h 53m at 5:11 pm (5.7 ft)
Sunset today : 6:11 pm
Sunrise tomorrow : 7:32 am
Moon phase : Waning Gibbous (73% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Mar 1811

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri6:404.98:273.912:551.22:420.56:476:08First Quarter1Fri
2Sat7:414.89:373.91:561.53:520.46:466:09First Quarter2Sat
3Sun8:484.710:404.13:061.74:550.26:456:10First Quarter3Sun
4Mon9:524.711:344.44:151.75:490.16:436:11Waxing Gibbous4Mon
5Tue10:494.75:161.76:350.06:426:12Waxing Gibbous5Tue
6Wed12:214.511:37 AM4.86:101.57:150.06:406:13Waxing Gibbous6Wed
7Thu1:024.612:204.86:591.47:500.16:396:14Waxing Gibbous7Thu
8Fri1:384.712:594.87:431.28:190.26:376:15Full Moon8Fri
9Sat2:104.71:364.78:241.18:430.36:366:15Full Moon9Sat
10Sun2:354.62:134.69:021.09:020.56:346:16Full Moon10Sun
11Mon2:534.72:524.59:380.89:230.56:336:17Full Moon11Mon
12Tue3:074.83:334.310:120.79:490.66:316:18Waning Gibbous12Tue
13Wed3:264.94:194.110:470.610:230.86:306:19Waning Gibbous13Wed
14Thu3:555.15:143.911:270.611:031.06:286:20Waning Gibbous14Thu
15Fri4:335.26:233.712:170.66:276:21Waning Gibbous15Fri
16Sat5:185.17:443.61:260.66:256:22Third Quarter16Sat
17Sun6:135.09:013.712:471.62:510.56:246:23Third Quarter17Sun
18Mon7:194.910:073.91:571.84:060.36:226:24Third Quarter18Mon
19Tue8:384.911:034.23:171.85:080.16:216:25Waning Crescent19Tue
20Wed9:595.011:514.54:341.66:000.06:196:26Waning Crescent20Wed
21Thu11:095.15:421.36:47-0.16:176:27Waning Crescent21Thu
22Fri12:344.812:105.26:421.07:30-0.16:166:28Waning Crescent22Fri
23Sat1:135.01:065.27:380.78:100.06:146:29New Moon23Sat
24Sun1:515.22:005.28:310.48:490.26:136:30New Moon24Sun
25Mon2:265.32:545.09:230.29:270.56:116:31New Moon25Mon
26Tue3:015.43:504.710:150.110:060.76:106:32Waxing Crescent26Tue
27Wed3:365.34:484.511:070.110:461.06:086:33Waxing Crescent27Wed
28Thu4:125.25:514.212:020.26:076:33Waxing Crescent28Thu
29Fri4:525.06:594.01:020.26:056:34Waxing Crescent29Fri
30Sat5:404.88:074.012:251.52:060.36:046:35First Quarter30Sat
31Sun6:404.59:124.01:291.73:120.36:026:36First Quarter31Sun
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 transitional phase. Tonight's moon is 73% 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 Waning Gibbous (73% 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