Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Wednesday, July 8, 2026
The tide is currently falling in Jamestown, RI.
Next low tide : in 1h 16m at 8:48 pm (0.4 ft)
Next high tide (tomorrow) : 3:22 am (3.0 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:19 am
Moon phase : Third Quarter (41% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Sep 1993

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed8:323.68:473.62:160.22:180.26:117:18Full Moon1Wed
2Thu9:073.79:223.52:270.12:420.26:127:17Full Moon2Thu
3Fri9:433.79:583.42:510.13:140.26:137:15Waning Gibbous3Fri
4Sat10:213.610:383.23:230.03:510.26:147:13Waning Gibbous4Sat
5Sun11:043.611:213.13:590.04:300.26:157:12Waning Gibbous5Sun
6Mon11:493.54:380.05:120.36:167:10Waning Gibbous6Mon
7Tue12:082.912:393.45:190.15:570.46:177:08Third Quarter7Tue
8Wed1:012.81:343.46:050.26:490.56:187:07Third Quarter8Wed
9Thu2:002.72:333.46:590.37:550.66:197:05Third Quarter9Thu
10Fri3:002.83:313.58:060.49:100.56:207:03Third Quarter10Fri
11Sat4:002.94:303.69:190.310:150.36:217:02Waning Crescent11Sat
12Sun5:003.25:283.810:250.111:100.06:227:00Waning Crescent12Sun
13Mon5:573.66:224.011:26-0.16:236:58Waning Crescent13Mon
14Tue6:484.07:104.212:00-0.212:23-0.46:246:56New Moon14Tue
15Wed7:354.47:564.312:48-0.51:17-0.56:256:55New Moon15Wed
16Thu8:204.68:404.31:35-0.72:09-0.66:266:53New Moon16Thu
17Fri9:064.79:284.12:21-0.83:00-0.66:286:51New Moon17Fri
18Sat9:554.710:183.93:08-0.83:52-0.56:296:49Waxing Crescent18Sat
19Sun10:494.611:133.73:57-0.74:43-0.46:306:48Waxing Crescent19Sun
20Mon11:454.34:45-0.55:33-0.16:316:46Waxing Crescent20Mon
21Tue12:113.512:434.15:34-0.26:290.26:326:44First Quarter21Tue
22Wed1:123.31:453.96:290.18:030.46:336:43First Quarter22Wed
23Thu2:163.22:473.77:480.49:490.46:346:41First Quarter23Thu
24Fri3:193.13:483.69:550.510:520.46:356:39First Quarter24Fri
25Sat4:203.24:473.511:040.411:440.36:366:37Waxing Gibbous25Sat
26Sun5:193.35:433.512:000.46:376:36Waxing Gibbous26Sun
27Mon6:123.46:323.512:270.212:450.36:386:34Waxing Gibbous27Mon
28Tue6:553.67:123.51:010.21:210.36:396:32Waxing Gibbous28Tue
29Wed7:323.77:483.51:210.21:450.36:406:31Full Moon29Wed
30Thu8:053.88:213.41:280.21:580.36:416:29Full Moon30Thu
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 12:05 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 neap phase. Tonight's moon is 41% 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 minimum.

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 Third Quarter (41% illuminated). This places Jamestown, RI in a neap tide cycle, so tidal ranges are near their weekly minimum 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