Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Monday, June 22, 2026
The tide is currently falling in Block Island, RI.
Next low tide : in 5h 03m at 9:27 pm (0.6 ft)
Next high tide (tomorrow) : 2:59 am (2.4 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:13 am
Moon phase : First Quarter (58% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - Feb 2042

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat4:542.85:142.311:390.011:130.06:565:03Waxing Gibbous1Sat
2Sun5:472.96:032.412:25-0.16:555:04Waxing Gibbous2Sun
3Mon6:322.96:482.612:02-0.11:05-0.16:545:05Full Moon3Mon
4Tue7:133.07:292.712:44-0.21:40-0.26:535:06Full Moon4Tue
5Wed7:503.08:082.71:21-0.22:11-0.36:525:08Full Moon5Wed
6Thu8:232.98:442.71:54-0.22:37-0.36:515:09Full Moon6Thu
7Fri8:542.89:192.72:25-0.22:59-0.26:505:10Waning Gibbous7Fri
8Sat9:242.69:522.62:57-0.13:20-0.16:495:11Waning Gibbous8Sat
9Sun9:562.510:262.53:310.03:450.06:475:13Waning Gibbous9Sun
10Mon10:322.311:022.44:090.24:150.16:465:14Waning Gibbous10Mon
11Tue11:122.111:432.44:530.34:520.26:455:15Third Quarter11Tue
12Wed11:581.95:470.45:370.36:445:16Third Quarter12Wed
13Thu12:312.412:511.86:550.56:310.36:425:18Third Quarter13Thu
14Fri1:282.41:561.88:390.57:360.36:415:19Third Quarter14Fri
15Sat2:392.43:121.99:580.48:520.26:405:20Waning Crescent15Sat
16Sun3:552.64:212.110:530.110:090.06:385:21Waning Crescent16Sun
17Mon4:562.95:182.411:40-0.111:12-0.36:375:22Waning Crescent17Mon
18Tue5:483.36:082.812:24-0.46:365:24Waning Crescent18Tue
19Wed6:363.56:563.112:08-0.51:05-0.66:345:25New Moon19Wed
20Thu7:233.67:443.41:00-0.71:44-0.86:335:26New Moon20Thu
21Fri8:103.68:313.51:51-0.82:21-0.96:315:27New Moon21Fri
22Sat8:573.59:193.62:41-0.82:57-0.86:305:28Waxing Crescent22Sat
23Sun9:453.210:093.53:31-0.73:34-0.76:285:30Waxing Crescent23Sun
24Mon10:352.911:023.44:28-0.44:14-0.56:275:31Waxing Crescent24Mon
25Tue11:302.55:39-0.25:00-0.36:255:32First Quarter25Tue
26Wed12:003.112:292.37:000.15:560.06:245:33First Quarter26Wed
27Thu1:032.81:342.18:170.27:120.26:225:34First Quarter27Thu
28Fri2:172.62:492.09:290.38:570.36:215:36First Quarter28Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8459338)

Common Questions About Block Island, RI Tides

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What time does the tide turn (slack tide) in Block Island, RI today?

Slack tide in Block Island, RI is approximately 12:13 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 Block Island, RI?

Block Island, RI is currently in a neap phase. Tonight's moon is 58% 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 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 First Quarter (58% illuminated). This places Block Island, 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