Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Thursday, July 9, 2026
The tide is currently rising in Jamestown, RI.
Next low tide : 10:00 pm (0.3 ft)
Next high tide : in 7h 11m at 4:03 pm (4.0 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 - Dec 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue12:233.112:363.15:190.75:510.46:524:16First Quarter1Tue
2Wed1:173.21:303.06:180.86:460.56:534:16First Quarter2Wed
3Thu2:093.32:232.97:400.97:460.56:544:16First Quarter3Thu
4Fri3:003.43:152.88:580.88:390.46:554:15Waxing Gibbous4Fri
5Sat3:513.64:102.89:500.79:240.36:564:15Waxing Gibbous5Sat
6Sun4:413.75:022.910:340.510:080.16:574:15Waxing Gibbous6Sun
7Mon5:283.95:493.011:150.310:520.06:584:15Waxing Gibbous7Mon
8Tue6:114.16:313.111:570.211:38-0.16:594:15Full Moon8Tue
9Wed6:514.37:123.212:390.07:004:15Full Moon9Wed
10Thu7:324.47:553.412:25-0.21:22-0.27:014:15Full Moon10Thu
11Fri8:154.48:433.51:15-0.32:09-0.37:024:15Full Moon11Fri
12Sat9:034.39:363.62:07-0.32:56-0.47:024:15Waning Gibbous12Sat
13Sun9:554.210:323.73:01-0.33:44-0.57:034:16Waning Gibbous13Sun
14Mon10:504.011:303.83:56-0.24:32-0.57:044:16Waning Gibbous14Mon
15Tue11:483.84:520.05:22-0.47:054:16Third Quarter15Tue
16Wed12:303.912:473.65:550.26:20-0.27:054:16Third Quarter16Wed
17Thu1:304.01:483.47:230.47:31-0.17:064:17Third Quarter17Thu
18Fri2:294.12:483.39:000.38:42-0.17:074:17Waning Crescent18Fri
19Sat3:284.13:503.210:120.29:43-0.17:074:18Waning Crescent19Sat
20Sun4:284.24:523.211:140.110:380.07:084:18Waning Crescent20Sun
21Mon5:234.35:473.212:080.17:084:18Waning Crescent21Mon
22Tue6:124.36:343.212:560.17:094:19New Moon22Tue
23Wed6:544.37:163.312:110.11:370.17:094:20New Moon23Wed
24Thu7:344.27:573.212:480.22:100.17:104:20New Moon24Thu
25Fri8:134.18:383.21:230.22:340.17:104:21New Moon25Fri
26Sat8:533.99:213.21:590.22:540.17:104:21Waxing Crescent26Sat
27Sun9:353.710:073.22:390.33:210.17:114:22Waxing Crescent27Sun
28Mon10:183.510:533.23:200.33:520.17:114:23Waxing Crescent28Mon
29Tue11:033.311:413.24:010.44:270.17:114:24Waxing Crescent29Tue
30Wed11:513.14:450.55:060.17:114:24First Quarter30Wed
31Thu12:313.312:422.95:330.75:500.27:114:25First Quarter31Thu
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 7:01 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 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