Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Sunday, July 12, 2026
The tide is currently falling in Jamestown, RI.
Next low tide : in 3h 54m at 11:51 am (-0.3 ft)
Next high tide : 7:01 pm (4.6 ft)
Sunset today : 8:19 pm
Sunrise tomorrow : 5:22 am
Moon phase : Waning Crescent (5% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Dec 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue10:054.310:413.53:14-0.24:09-0.36:524:16Waxing Crescent1Tue
2Wed11:014.011:403.54:090.04:57-0.16:544:16Waxing Crescent2Wed
3Thu11:583.75:060.35:500.06:544:15First Quarter3Thu
4Fri12:393.512:563.46:210.67:030.26:554:15First Quarter4Fri
5Sat1:373.61:533.28:190.68:220.36:564:15First Quarter5Sat
6Sun2:333.62:493.09:300.69:160.36:574:15Waxing Gibbous6Sun
7Mon3:273.73:452.910:270.59:590.36:584:15Waxing Gibbous7Mon
8Tue4:203.74:412.911:180.510:330.46:594:15Waxing Gibbous8Tue
9Wed5:103.85:312.912:030.47:004:15Waxing Gibbous9Wed
10Thu5:543.96:142.912:400.47:014:15Waxing Gibbous10Thu
11Fri6:323.96:512.91:060.47:024:15Full Moon11Fri
12Sat7:073.97:272.91:200.47:024:15Full Moon12Sat
13Sun7:423.98:042.912:320.31:380.37:034:16Full Moon13Sun
14Mon8:183.98:443.01:110.32:080.27:044:16Full Moon14Mon
15Tue8:573.89:273.01:530.22:430.17:054:16Waning Gibbous15Tue
16Wed9:393.710:143.12:380.23:220.07:054:16Waning Gibbous16Wed
17Thu10:243.611:023.23:250.24:02-0.17:064:17Waning Gibbous17Thu
18Fri11:133.411:543.44:130.24:44-0.27:074:17Waning Gibbous18Fri
19Sat12:053.35:040.35:30-0.27:074:18Third Quarter19Sat
20Sun12:483.51:003.26:030.46:24-0.17:084:18Third Quarter20Sun
21Mon1:433.71:583.17:140.47:25-0.17:084:18Third Quarter21Mon
22Tue2:403.92:583.18:290.38:27-0.27:094:19Waning Crescent22Tue
23Wed3:384.24:003.19:370.29:26-0.37:094:20Waning Crescent23Wed
24Thu4:384.45:033.210:410.010:23-0.47:094:20Waning Crescent24Thu
25Fri5:354.66:003.411:42-0.111:22-0.47:104:21Waning Crescent25Fri
26Sat6:274.76:513.612:38-0.37:104:21New Moon26Sat
27Sun7:154.87:403.712:19-0.51:31-0.47:104:22New Moon27Sun
28Mon8:034.78:303.71:15-0.42:21-0.47:114:23New Moon28Mon
29Tue8:524.59:233.72:10-0.33:07-0.47:114:24Waxing Crescent29Tue
30Wed9:434.210:173.73:05-0.23:49-0.47:114:24Waxing Crescent30Wed
31Thu10:343.911:103.83:550.04:28-0.27:114:25Waxing Crescent31Thu
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 3:26 pm — 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 5% 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 Crescent (5% 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