Nearby Harbors
41.1867’ N, 71.5783’ W

Block Island, RI

65°
H 72°
L 66°
ENE
8mph
High tide
9:02 am
Photo Credits

Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Saturday, September 12, 2026
The tide is currently rising in Block Island, RI.
Next low tide : 3:12 pm (-0.1 ft)
Next high tide : in 36m at 9:02 am (3.8 ft)
Sunset today : 7:01 pm
Sunrise tomorrow : 6:24 am
Moon phase : New Moon (3% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Featured Local Businesses

Champlins Marina Resort, docks filled on a sunny summer day

Champlin's Marina & Resort
New Harbor Great Salt Pond Block Island Aerial

New Shoreham (Block Island) Harbormaster
Coast Guard Station, Point Judith Rhode Island,

USCG Station Point Judith, RI
Beach in East Hampton, NY -- Nicole Mayone, CC BY-SA 2.0 , via Wikimedia Commons

East Hampton Harbormaster

Block Island, RI Tides - Dec 1872

Print this Tide Chart
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:293.87:523.012:44-0.41:57-0.46:574:22New Moon1Sun
2Mon8:173.88:413.01:30-0.42:42-0.46:584:22Waxing Crescent2Mon
3Tue9:073.79:342.92:17-0.43:31-0.36:594:21Waxing Crescent3Tue
4Wed10:013.610:302.93:07-0.34:28-0.17:004:21Waxing Crescent4Wed
5Thu11:003.311:312.84:04-0.15:370.07:014:21Waxing Crescent5Thu
6Fri12:013.15:200.16:460.07:024:21First Quarter6Fri
7Sat12:352.81:042.97:060.27:470.07:024:21First Quarter7Sat
8Sun1:402.92:082.88:280.28:420.07:034:21First Quarter8Sun
9Mon2:463.03:142.69:360.19:330.07:044:21Waxing Gibbous9Mon
10Tue3:493.24:132.610:340.110:18-0.17:054:21Waxing Gibbous10Tue
11Wed4:443.35:052.611:250.010:58-0.17:064:21Waxing Gibbous11Wed
12Thu5:323.45:522.712:11-0.17:074:21Waxing Gibbous12Thu
13Fri6:163.46:372.712:53-0.17:074:22Full Moon13Fri
14Sat6:583.37:192.712:10-0.11:32-0.17:084:22Full Moon14Sat
15Sun7:373.38:002.712:46-0.12:07-0.17:094:22Full Moon15Sun
16Mon8:153.18:402.61:22-0.12:400.07:104:22Full Moon16Mon
17Tue8:513.09:202.51:580.03:120.17:104:23Waning Gibbous17Tue
18Wed9:272.810:012.32:360.13:450.27:114:23Waning Gibbous18Wed
19Thu10:052.610:452.23:160.34:220.37:114:24Waning Gibbous19Thu
20Fri10:462.511:322.24:000.45:060.47:124:24Waning Gibbous20Fri
21Sat11:312.34:510.55:560.47:124:25Third Quarter21Sat
22Sun12:192.212:192.25:540.66:440.47:134:25Third Quarter22Sun
23Mon1:082.31:112.27:110.67:310.47:134:26Third Quarter23Mon
24Tue2:012.42:092.18:360.58:200.37:144:26Third Quarter24Tue
25Wed2:582.63:132.29:440.39:110.17:144:27Waning Crescent25Wed
26Thu3:542.94:142.310:370.110:020.07:144:28Waning Crescent26Thu
27Fri4:463.25:082.511:26-0.110:51-0.27:154:28Waning Crescent27Fri
28Sat5:353.55:582.712:13-0.37:154:29New Moon28Sat
29Sun6:243.76:482.91:01-0.57:154:30New Moon29Sun
30Mon7:143.87:383.012:30-0.61:48-0.67:154:30New Moon30Mon
31Tue8:053.88:283.01:22-0.72:34-0.67:164:31New Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8459338)

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Common Questions About Block Island, RI Tides

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

Block Island, RI is currently in a spring phase. Tonight's moon is 3% 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 Block Island, 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 Block Island, RI?

Tide predictions for Block Island, 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 Block Island, RI?

Tide data for Block Island, RI is sourced from NOAA Station #8459338. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8459338.

What is the moon phase in Block Island, RI tonight?

Tonight the moon over Block Island, RI is New Moon (3% illuminated). This places Block Island, 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

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