Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Sunday, July 26, 2026
The tide is currently rising in Jamestown, RI.
Next low tide : 11:40 am (0.6 ft)
Next high tide : in 2h 34m at 6:25 am (2.7 ft)
Sunset today : 8:09 pm
Sunrise tomorrow : 5:34 am
Moon phase : Waxing Gibbous (92% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Sep 2079

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:093.112:403.65:250.16:040.66:127:18First Quarter1Fri
2Sat1:002.91:333.46:030.36:520.86:137:17First Quarter2Sat
3Sun1:552.72:293.36:490.58:101.06:147:15First Quarter3Sun
4Mon2:542.63:273.37:500.710:310.96:157:13First Quarter4Mon
5Tue3:542.54:253.39:090.811:270.86:167:12Waxing Gibbous5Tue
6Wed4:542.65:233.410:190.76:177:10Waxing Gibbous6Wed
7Thu5:522.86:143.512:080.611:13 AM0.66:187:08Waxing Gibbous7Thu
8Fri6:403.06:573.712:340.511:59 AM0.46:197:06Waxing Gibbous8Fri
9Sat7:193.37:353.812:520.312:420.26:207:05Full Moon9Sat
10Sun7:553.68:103.81:160.11:220.16:217:03Full Moon10Sun
11Mon8:313.88:463.81:46-0.12:04-0.16:227:01Full Moon11Mon
12Tue9:084.09:243.72:21-0.32:47-0.26:237:00Full Moon12Tue
13Wed9:494.110:073.63:00-0.43:32-0.36:246:58Waning Gibbous13Wed
14Thu10:354.210:553.53:42-0.54:19-0.36:256:56Waning Gibbous14Thu
15Fri11:264.211:483.34:26-0.55:07-0.26:266:54Waning Gibbous15Fri
16Sat12:224.15:12-0.45:590.06:276:53Third Quarter16Sat
17Sun12:473.11:244.06:03-0.27:000.36:286:51Third Quarter17Sun
18Mon1:533.02:303.97:030.18:300.46:296:49Third Quarter18Mon
19Tue3:013.03:363.88:250.310:130.46:306:47Third Quarter19Tue
20Wed4:093.14:423.910:000.311:220.26:316:46Waning Crescent20Wed
21Thu5:163.35:453.911:200.16:326:44Waning Crescent21Thu
22Fri6:163.66:404.012:170.012:250.06:336:42Waning Crescent22Fri
23Sat7:063.87:264.01:03-0.11:17-0.16:346:41New Moon23Sat
24Sun7:494.08:073.91:40-0.22:02-0.16:356:39New Moon24Sun
25Mon8:284.18:453.82:11-0.22:40-0.16:366:37New Moon25Mon
26Tue9:074.19:243.62:37-0.13:130.06:376:35New Moon26Tue
27Wed9:464.010:043.43:04-0.13:430.16:386:34Waxing Crescent27Wed
28Thu10:273.910:473.13:330.04:150.26:396:32Waxing Crescent28Thu
29Fri11:113.711:332.94:070.14:490.36:406:30Waxing Crescent29Fri
30Sat11:593.54:440.25:260.56:416:29Waxing Crescent30Sat
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 9:02 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 92% 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 Waxing Gibbous (92% 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