Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Saturday, July 4, 2026
The tide is currently rising in Jamestown, RI.
Next low tide (tomorrow) : 5:20 am (-0.2 ft)
Next high tide : in 4m at 11:46 pm (3.5 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:17 am
Moon phase : Waning Gibbous (81% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Sep 2054

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue7:444.28:074.61:11-0.51:24-0.66:127:18New Moon1Tue
2Wed8:314.48:534.51:59-0.62:18-0.66:137:16New Moon2Wed
3Thu9:194.59:414.42:46-0.73:12-0.66:147:15Waxing Crescent3Thu
4Fri10:104.510:324.13:33-0.74:03-0.56:157:13Waxing Crescent4Fri
5Sat11:024.311:253.84:18-0.64:52-0.36:167:11Waxing Crescent5Sat
6Sun11:564.25:02-0.45:400.06:177:10Waxing Crescent6Sun
7Mon12:193.612:524.05:46-0.16:320.36:187:08First Quarter7Mon
8Tue1:163.31:493.86:330.28:000.56:197:06First Quarter8Tue
9Wed2:163.12:483.67:370.49:520.66:207:05First Quarter9Wed
10Thu3:153.03:463.59:380.610:560.56:217:03First Quarter10Thu
11Fri4:153.04:443.510:500.611:490.56:227:01Waxing Gibbous11Fri
12Sat5:143.05:403.511:440.56:236:59Waxing Gibbous12Sat
13Sun6:083.26:293.612:340.412:270.56:246:58Waxing Gibbous13Sun
14Mon6:533.37:103.71:080.412:570.46:256:56Waxing Gibbous14Mon
15Tue7:313.57:473.71:290.31:150.36:266:54Full Moon15Tue
16Wed8:053.68:203.71:340.31:360.26:276:53Full Moon16Wed
17Thu8:393.78:543.61:510.12:060.16:286:51Full Moon17Thu
18Fri9:133.79:293.52:200.02:420.06:296:49Full Moon18Fri
19Sat9:503.710:083.42:54-0.13:210.06:306:47Waning Gibbous19Sat
20Sun10:313.810:503.33:32-0.24:03-0.16:316:46Waning Gibbous20Sun
21Mon11:163.711:383.24:14-0.24:47-0.16:326:44Waning Gibbous21Mon
22Tue12:063.74:57-0.25:340.06:336:42Waning Gibbous22Tue
23Wed12:313.11:023.75:45-0.16:260.16:346:40Third Quarter23Wed
24Thu1:313.02:033.76:380.07:290.36:356:39Third Quarter24Thu
25Fri2:343.13:053.77:450.18:460.26:366:37Third Quarter25Fri
26Sat3:373.24:073.89:020.110:000.16:376:35Waning Crescent26Sat
27Sun4:403.55:094.010:150.011:03-0.16:386:34Waning Crescent27Sun
28Mon5:413.86:084.111:21-0.211:59-0.36:396:32Waning Crescent28Mon
29Tue6:374.17:014.312:23-0.46:406:30Waning Crescent29Tue
30Wed7:264.47:484.312:50-0.51:19-0.56:416:28New Moon30Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8453742)

Common Questions About Jamestown, RI Tides

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What time does the tide turn (slack tide) in Jamestown, RI today?

Slack tide in Jamestown, RI is approximately 2:33 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 Jamestown, RI?

Jamestown, RI is currently in a spring phase. Tonight's moon is 81% 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 Jamestown, RI 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 Jamestown, RI?

Tide predictions for Jamestown, RI 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 Jamestown, RI?

Tide data for Jamestown, RI is sourced from NOAA Station #8453742. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8453742.

What is the moon phase in Jamestown, RI tonight?

Tonight the moon over Jamestown, RI is Waning Gibbous (81% illuminated). This places Jamestown, RI 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