Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Sunday, June 28, 2026
The tide is currently rising in Jamestown, RI.
Next low tide : 12:37 pm (0.4 ft)
Next high tide : in 4h 53m at 7:32 am (2.8 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:14 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Dec 2007

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:553.31:113.36:380.77:390.46:524:16Third Quarter1Sat
2Sun1:523.42:073.18:380.78:430.46:534:16Third Quarter2Sun
3Mon2:463.43:013.09:420.79:280.46:544:16Waning Crescent3Mon
4Tue3:383.53:562.910:350.610:020.46:554:16Waning Crescent4Tue
5Wed4:303.64:492.811:220.510:280.46:564:15Waning Crescent5Wed
6Thu5:173.75:372.812:020.56:574:15Waning Crescent6Thu
7Fri5:583.86:182.912:320.56:584:15New Moon7Fri
8Sat6:353.96:552.912:520.46:584:15New Moon8Sat
9Sun7:103.97:302.91:100.46:594:15New Moon9Sun
10Mon7:453.98:072.912:340.21:380.37:004:15New Moon10Mon
11Tue8:223.98:482.91:140.22:130.27:014:15New Moon11Tue
12Wed9:033.89:342.91:580.22:520.17:024:15Waxing Crescent12Wed
13Thu9:483.710:243.02:460.13:330.07:034:16Waxing Crescent13Thu
14Fri10:363.611:163.23:350.14:16-0.17:034:16Waxing Crescent14Fri
15Sat11:283.54:260.25:01-0.17:044:16First Quarter15Sat
16Sun12:103.412:233.45:210.35:51-0.17:054:16First Quarter16Sun
17Mon1:073.61:213.36:270.46:49-0.17:054:17First Quarter17Mon
18Tue2:033.82:203.27:450.47:53-0.27:064:17First Quarter18Tue
19Wed3:004.13:203.19:000.38:53-0.37:074:17Waxing Gibbous19Wed
20Thu3:594.34:223.210:060.19:49-0.37:074:18Waxing Gibbous20Thu
21Fri4:584.55:233.311:090.010:45-0.47:084:18Waxing Gibbous21Fri
22Sat5:534.76:163.412:08-0.17:084:19Full Moon22Sat
23Sun6:434.77:063.51:02-0.27:094:19Full Moon23Sun
24Mon7:304.77:543.512:35-0.41:53-0.37:094:20Full Moon24Mon
25Tue8:174.58:453.51:29-0.32:42-0.37:104:20Full Moon25Tue
26Wed9:064.39:383.52:22-0.13:25-0.27:104:21Waning Gibbous26Wed
27Thu9:564.110:313.43:130.04:03-0.17:104:22Waning Gibbous27Thu
28Fri10:473.811:243.44:010.24:390.07:114:22Waning Gibbous28Fri
29Sat11:373.54:470.45:150.17:114:23Third Quarter29Sat
30Sun12:173.412:303.25:380.75:570.37:114:24Third Quarter30Sun
31Mon1:103.41:233.06:550.86:490.47:114:25Third Quarter31Mon
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 10:04 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 98% 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 Full Moon (98% 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