Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Thursday, July 9, 2026
The tide is currently falling in Jamestown, RI.
Next low tide : in 30m at 10:00 pm (0.3 ft)
Next high tide (tomorrow) : 4:24 am (2.9 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:20 am
Moon phase : Waning Crescent (30% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Jan 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed5:003.95:232.911:590.411:140.37:114:25Waning Crescent1Wed
2Thu5:493.96:103.012:440.37:114:26Waning Crescent2Thu
3Fri6:304.06:503.01:200.37:124:27New Moon3Fri
4Sat7:073.97:273.112:130.41:450.37:124:28New Moon4Sat
5Sun7:423.98:043.112:430.41:540.37:124:29New Moon5Sun
6Mon8:173.88:423.21:170.32:100.27:114:30New Moon6Mon
7Tue8:553.79:233.21:560.32:370.17:114:31Waxing Crescent7Tue
8Wed9:343.610:063.32:370.23:110.07:114:32Waxing Crescent8Wed
9Thu10:163.410:503.33:200.23:47-0.17:114:33Waxing Crescent9Thu
10Fri11:003.311:383.44:040.34:25-0.17:114:34Waxing Crescent10Fri
11Sat11:483.14:490.35:07-0.17:114:35First Quarter11Sat
12Sun12:283.512:413.05:400.45:550.07:104:36First Quarter12Sun
13Mon1:223.61:372.86:430.56:530.07:104:37First Quarter13Mon
14Tue2:183.72:362.87:560.57:570.07:104:38First Quarter14Tue
15Wed3:163.93:392.99:060.48:59-0.17:094:39Waxing Gibbous15Wed
16Thu4:174.14:433.110:100.29:59-0.27:094:40Waxing Gibbous16Thu
17Fri5:164.35:413.311:110.011:00-0.37:084:42Waxing Gibbous17Fri
18Sat6:084.56:333.712:07-0.27:084:43Full Moon18Sat
19Sun6:564.77:213.912:58-0.57:074:44Full Moon19Sun
20Mon7:434.78:104.112:56-0.51:46-0.67:074:45Full Moon20Mon
21Tue8:304.69:014.21:52-0.52:33-0.77:064:46Waning Gibbous21Tue
22Wed9:204.49:544.22:47-0.53:18-0.77:054:48Waning Gibbous22Wed
23Thu10:124.110:484.23:40-0.34:01-0.67:054:49Waning Gibbous23Thu
24Fri11:053.811:424.14:30-0.14:44-0.47:044:50Waning Gibbous24Fri
25Sat11:593.55:210.25:28-0.17:034:51Third Quarter25Sat
26Sun12:393.912:573.26:300.56:220.17:024:52Third Quarter26Sun
27Mon1:373.81:563.08:280.77:420.47:024:54Third Quarter27Mon
28Tue2:353.72:562.89:450.69:090.57:014:55Waning Crescent28Tue
29Wed3:343.63:582.710:470.610:130.57:004:56Waning Crescent29Wed
30Thu4:333.64:582.811:410.511:060.56:594:57Waning Crescent30Thu
31Fri5:263.75:492.912:250.46:584:59Waning Crescent31Fri
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 1:12 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 transitional phase. Tonight's moon is 30% 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 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 Crescent (30% illuminated). This places Jamestown, RI 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