Nearby Harbors
41.4959’ N, 71.3650’ W

Jamestown, RI

46°
H -°
L 44°
N
9mph
High tide
3:46 am
Photo Credits

Tides Today & Tomorrow in Jamestown, RI

TIDE TIMES for Tuesday, October 20, 2026
The tide is currently rising in Jamestown, RI.
Next low tide : 9:10 am (0.8 ft)
Next high tide : in 1h 13m at 3:46 am (2.9 ft)
Sunset today : 5:57 pm
Sunrise tomorrow : 7:03 am
Moon phase : First Quarter (69% illuminated)
Tide Station Location : Station #8453742
Common Questions About Tides

Featured Local Businesses

Newport International Boat Show

Newport International Boat Show

Becket & Company Yacht Management Newport
Oldport Marine

Oldport Marine
Coast Guard Station, Point Judith Rhode Island,

USCG Station Point Judith, RI

Jamestown, RI Tides - Jul 2040

Print this Tide Chart
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:533.62:343.87:490.09:050.55:158:23Third Quarter1Sun
2Mon2:503.33:303.89:050.110:210.55:168:23Third Quarter2Mon
3Tue3:473.14:253.810:050.211:230.45:178:22Waning Crescent3Tue
4Wed4:443.05:213.810:540.25:178:22Waning Crescent4Wed
5Thu5:422.96:133.912:190.411:36 AM0.35:188:22Waning Crescent5Thu
6Fri6:352.96:593.91:080.412:100.45:188:21Waning Crescent6Fri
7Sat7:192.97:383.91:500.412:390.45:198:21New Moon7Sat
8Sun7:582.98:153.92:240.41:090.45:208:21New Moon8Sun
9Mon8:352.98:503.92:460.41:430.45:208:20New Moon9Mon
10Tue9:132.99:273.82:570.42:210.35:218:20New Moon10Tue
11Wed9:533.010:063.73:200.33:020.35:228:19Waxing Crescent11Wed
12Thu10:363.010:483.63:520.23:460.35:238:19Waxing Crescent12Thu
13Fri11:213.111:313.54:270.14:310.25:238:18Waxing Crescent13Fri
14Sat12:073.25:040.05:170.35:248:18Waxing Crescent14Sat
15Sun12:173.312:553.35:44-0.16:050.35:258:17First Quarter15Sun
16Mon1:063.21:463.56:27-0.17:000.45:268:16First Quarter16Mon
17Tue1:593.12:403.67:180.08:070.55:278:16First Quarter17Tue
18Wed2:553.03:353.88:170.09:190.45:288:15First Quarter18Wed
19Thu3:532.94:324.09:19-0.110:250.35:288:14Waxing Gibbous19Thu
20Fri4:553.05:334.210:17-0.211:270.15:298:14Waxing Gibbous20Fri
21Sat5:583.16:304.411:15-0.35:308:13Waxing Gibbous21Sat
22Sun6:553.37:224.612:290.012:14-0.45:318:12Full Moon22Sun
23Mon7:473.68:114.71:26-0.21:13-0.55:328:11Full Moon23Mon
24Tue8:363.78:594.72:19-0.42:10-0.55:338:10Full Moon24Tue
25Wed9:273.99:494.53:10-0.53:08-0.45:348:09Waning Gibbous25Wed
26Thu10:203.910:414.33:59-0.54:05-0.35:358:08Waning Gibbous26Thu
27Fri11:153.911:344.04:44-0.54:58-0.25:368:07Waning Gibbous27Fri
28Sat12:103.95:26-0.45:490.15:378:06Waning Gibbous28Sat
29Sun12:273.71:043.96:07-0.26:450.45:388:05Third Quarter29Sun
30Mon1:223.42:003.86:540.08:150.65:398:04Third Quarter30Mon
31Tue2:183.12:563.77:540.39:510.65:408:03Third Quarter31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8453742)

www.USHarbors.com

© 2026 US Harbors LLC All rights reserved

The US Harbors tide chart design is protected by copyright. It may be printed for personal use only.
Any commercial use, modification, redistribution, or repackaging without written permission is strictly prohibited.

Common Questions About Jamestown, RI Tides

Collapse All
Is this week a spring tide or neap tide in Jamestown, RI?

Jamestown, RI is currently in a transitional phase. Tonight's moon is 69% 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 First Quarter (69% 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

Coastal Stories See All

A car drives through a snowstorm in Broomfield, Colorado, in 2024. (Image credit: Bob Hyatt/NOAA)

El Nino looms large over U.S. Winter Outlook

By noaa.gov, noaa.gov. NOAA’s U.S. Winter Outlook, released today, shows how El Nino will likely influence the… More

Coastal NewsWeather & Tides

Archival photo of New England swordfishing vessel (left) courtesy of NOAA Fisheries; Background photo and photo offloading fish (right) courtesy of Hawaii Longline Association/Eric Kingma

Highly Migratory Species Management: Managing Shared Resources at Home and Around the World

By fisheries.noaa.gov, fisheries.noaa.gov. Highly migratory species—like Atlantic yellowfin tuna, Pacific albacore, and Atlantic swordfish—travel thousands of miles across… More

Coastal NewsOcean Science

A freediver from the Papahānaumokuākea Marine Debris Project works to carefully remove a ghost net from the reef at Kamokuokamohoali‘i (Maro Reef) in Hawaii. (Image credit: Andrew Sullivan-Hawkins/Papahānaumokuākea Marine Debris Project (Under permit # PMNM-2024-003))

Large-scale Marine Debris: 4 Ways to Clean up the Big Stuff

By fisheries.noaa.gov, fisheries.noaa.gov. Marine debris is a challenging problem. Across the country, NOAA and partners… More

Coastal NewsOcean Science

Map showing sea surface height anomalies using Darker reds to show sea levels higher than normal, while darker blues show heights below normal

Kelvin Waves, Explained

By fisheries.noaa.gov, fisheries.noaa.gov. You may be hearing a lot about Kelvin waves in the news.… More

Coastal NewsOcean ScienceWeather & Tides

Southern Resident killer whales swim just off Seattle’s shore. NOAA experts anticipate that the West Coast and the Pacific Islands will feel the effects of the 2026–2027 El Niño event most directly. Credit: NOAA Northwest Fisheries Science Center; taken under NOAA permit #781-1824

How Will El Niño Affect Your Local Fisheries?

By fisheries.noaa.gov, fisheries.noaa.gov. What does El Niño mean for U.S. fisheries and marine life? What… More

Coastal NewsOcean ScienceWeather & Tides

NOAA's flood inundation map (left) depicting the forecast for flooding extent in New London, Wisconsin, and a photo of flooded streets in New London (right), dated April 17, 2026. (Image credit: NOAA NWS)

NOAA’s flood mapping tool now covers nearly 100% of U.S.

By fisheries.noaa.gov, fisheries.noaa.gov. NOAA’s National Weather Service announced today that Flood Inundation Mapping (FIM), a… More

Coastal NewsWeather & Tides

Image Credits: Noaa fisheries.

Meet Hawaii Fish Company, Tilapia Farmers in Hawaiʻi

By fisheries.noaa.gov, fisheries.noaa.gov. For husband and wife duo Ron and and Estralita Weidenbach, fish farming… More

Coastal LifeMarine Economy

NOAA Fisheries and Sea Quester Farms partnered up to evaluate if kelp farms provide habitat for marine life in Alaska. Pictured here is one of Sea Quester’s farms in southeast Alaska near Juneau. Credit: Hatch Blue, Alaska Mariculture Cluster

Kelp Farms and Marine Life Co-Exist in Southeast Alaska

By fisheries.noaa.gov, fisheries.noaa.gov. Marine aquaculture, or mariculture, provides economic opportunities for coastal communities in Alaska… More

Coastal LifeOcean Science

Image Credits: Noaa Fisheries.

Celebrate National Seafood Month

By fisheries.noaa.gov, fisheries.noaa.gov. As we welcome autumn, we also celebrate National Seafood Month! Join us… More

Coastal LifeCoastal News

Your Privacy Choices