Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Friday, July 10, 2026
The tide is currently rising in Jamestown, RI.
Next low tide : 9:51 am (-0.2 ft)
Next high tide : in 1h 35m at 4:24 am (2.9 ft)
Sunset today : 8:20 pm
Sunrise tomorrow : 5:21 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Jamestown, RI Tides - Aug 2063

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:383.32:184.07:05-0.18:480.55:408:03First Quarter1Wed
2Thu2:373.03:173.98:140.210:170.55:418:01First Quarter2Thu
3Fri3:382.94:173.89:390.311:250.55:428:00Waxing Gibbous3Fri
4Sat4:412.85:183.710:500.45:437:59Waxing Gibbous4Sat
5Sun5:452.86:153.812:250.411:51 AM0.45:447:58Waxing Gibbous5Sun
6Mon6:402.97:023.81:150.412:400.45:457:57Waxing Gibbous6Mon
7Tue7:253.07:423.81:560.31:160.45:467:55Full Moon7Tue
8Wed8:023.18:173.82:270.31:410.45:477:54Full Moon8Wed
9Thu8:383.28:513.72:450.32:070.45:487:53Full Moon9Thu
10Fri9:133.39:253.62:510.32:380.35:497:52Full Moon10Fri
11Sat9:493.410:013.53:090.13:140.35:507:50Waning Gibbous11Sat
12Sun10:283.410:403.43:380.03:530.25:517:49Waning Gibbous12Sun
13Mon11:093.511:213.24:110.04:330.25:527:48Waning Gibbous13Mon
14Tue11:523.54:47-0.15:150.35:537:46Waning Gibbous14Tue
15Wed12:053.012:393.55:25-0.16:000.45:547:45Third Quarter15Wed
16Thu12:542.81:323.56:080.06:520.55:557:43Third Quarter16Thu
17Fri1:502.72:303.56:580.17:590.65:567:42Third Quarter17Fri
18Sat2:512.63:303.68:010.29:170.65:577:40Third Quarter18Sat
19Sun3:542.74:323.89:120.210:280.45:587:39Waning Crescent19Sun
20Mon5:002.95:344.010:190.111:310.25:597:37Waning Crescent20Mon
21Tue6:033.26:314.211:23-0.16:007:36Waning Crescent21Tue
22Wed6:573.67:214.412:27-0.112:25-0.36:017:34New Moon22Wed
23Thu7:453.98:064.51:16-0.31:24-0.46:027:33New Moon23Thu
24Fri8:314.28:524.42:02-0.52:19-0.56:037:31New Moon24Fri
25Sat9:184.49:394.22:46-0.73:12-0.56:047:30Waxing Crescent25Sat
26Sun10:084.510:284.03:31-0.74:04-0.46:057:28Waxing Crescent26Sun
27Mon11:004.411:203.74:15-0.74:54-0.36:067:27Waxing Crescent27Mon
28Tue11:534.34:58-0.55:420.06:077:25Waxing Crescent28Tue
29Wed12:143.412:494.05:41-0.26:350.36:087:23First Quarter29Wed
30Thu1:113.11:483.86:280.18:080.66:097:22First Quarter30Thu
31Fri2:132.92:493.67:300.49:590.76:107:20First Quarter31Fri
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 7:07 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 20% 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 (20% 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