38.1800’ N, 122.0450’ W

Joice Island, Suisun Slough, CA

59°
H -°
L 57°
SW
16mph
High tide
11:03 pm

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

TIDE TIMES for Monday, September 21, 2026
The tide is currently rising in Joice Island, Suisun Slough, CA.
Next low tide (tomorrow) : 7:05 am (0.1 ft)
Next high tide : in 3h 48m at 11:03 pm (4.6 ft)
Sunset today : 7:06 pm
Sunrise tomorrow : 6:55 am
Moon phase : Waxing Gibbous (76% illuminated)
Tide Station Location : Station #9415379
Common Questions About Tides

Joice Island, Suisun Slough, CA Tides - Sep 1878

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:104.54:455.711:021.15:446:45Waxing Crescent1Sun
2Mon6:234.15:315.712:440.511:47 AM1.55:456:43First Quarter2Mon
3Tue7:423.96:275.51:580.512:431.95:466:42First Quarter3Tue
4Wed8:594.07:385.33:130.41:542.25:476:40First Quarter4Wed
5Thu10:084.19:005.24:230.33:152.35:486:39Waxing Gibbous5Thu
6Fri11:064.410:135.15:230.14:312.15:496:37Waxing Gibbous6Fri
7Sat11:564.611:135.16:130.05:361.95:506:36Waxing Gibbous7Sat
8Sun12:394.76:56-0.16:311.65:506:34Waxing Gibbous8Sun
9Mon12:025.01:174.77:340.07:201.45:516:32Full Moon9Mon
10Tue12:464.91:504.78:050.28:051.25:526:31Full Moon10Tue
11Wed1:274.72:174.78:320.48:471.15:536:29Full Moon11Wed
12Thu2:074.52:374.88:530.69:260.95:546:28Full Moon12Thu
13Fri2:484.32:504.99:100.910:020.95:556:26Waning Gibbous13Fri
14Sat3:324.13:045.19:311.110:370.85:566:25Waning Gibbous14Sat
15Sun4:213.93:275.39:591.411:140.85:566:23Waning Gibbous15Sun
16Mon5:183.73:595.410:341.611:580.85:576:21Waning Gibbous16Mon
17Tue6:293.64:395.411:171.95:586:20Third Quarter17Tue
18Wed7:463.55:285.31:010.812:102.25:596:18Third Quarter18Wed
19Thu8:593.66:275.22:240.81:152.46:006:17Third Quarter19Thu
20Fri10:003.77:395.03:390.62:322.36:016:15Third Quarter20Fri
21Sat10:513.99:005.04:390.33:492.16:026:14Waning Crescent21Sat
22Sun11:334.110:155.15:280.14:561.76:036:12Waning Crescent22Sun
23Mon12:094.36:100.05:561.36:036:10Waning Crescent23Mon
24Tue12:414.66:480.06:510.96:046:09Waning Crescent24Tue
25Wed12:185.21:104.97:220.27:450.56:056:07New Moon25Wed
26Thu1:145.21:395.27:560.48:380.26:066:06New Moon26Thu
27Fri2:105.02:095.58:310.79:320.06:076:04New Moon27Fri
28Sat3:084.82:425.89:081.010:280.06:086:03Waxing Crescent28Sat
29Sun4:094.53:185.99:481.311:260.06:096:01Waxing Crescent29Sun
30Mon5:154.34:015.810:341.76:106:00Waxing Crescent30Mon
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 76% 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 Waxing Gibbous (76% 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