Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in Block Island, RI.
Next low tide : in 1h 46m at 6:07 am (0.3 ft)
Next high tide : 12:46 pm (2.9 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:20 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - May 2061

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:262.66:483.212:280.212:290.15:427:43Waxing Gibbous1Sun
2Mon7:052.67:263.31:090.212:560.15:417:44Full Moon2Mon
3Tue7:422.78:023.31:460.11:210.15:407:46Full Moon3Tue
4Wed8:182.78:353.32:200.11:480.15:397:47Full Moon4Wed
5Thu8:522.69:073.22:520.12:180.15:377:48Full Moon5Thu
6Fri9:272.69:403.13:230.12:510.25:367:49Waning Gibbous6Fri
7Sat10:032.510:153.03:540.23:270.35:357:50Waning Gibbous7Sat
8Sun10:412.310:542.84:280.34:040.45:347:51Waning Gibbous8Sun
9Mon11:242.311:392.75:080.54:450.65:337:52Waning Gibbous9Mon
10Tue12:122.25:570.65:340.75:327:53Waning Gibbous10Tue
11Wed12:302.61:062.27:010.66:340.75:317:54Third Quarter11Wed
12Thu1:252.62:022.38:070.67:470.75:307:55Third Quarter12Thu
13Fri2:232.63:032.59:020.59:140.65:297:56Third Quarter13Fri
14Sat3:262.64:052.89:520.310:350.45:287:57Waning Crescent14Sat
15Sun4:312.75:033.210:390.111:370.15:277:58Waning Crescent15Sun
16Mon5:302.95:563.611:24-0.15:267:59Waning Crescent16Mon
17Tue6:243.06:463.912:31-0.112:09-0.35:258:00Waning Crescent17Tue
18Wed7:153.27:364.11:24-0.412:56-0.45:248:01New Moon18Wed
19Thu8:073.28:274.22:17-0.51:44-0.55:238:02New Moon19Thu
20Fri8:593.29:194.23:09-0.52:35-0.55:228:03New Moon20Fri
21Sat9:513.210:124.04:00-0.43:26-0.45:228:04Waxing Crescent21Sat
22Sun10:453.111:083.74:55-0.34:19-0.25:218:04Waxing Crescent22Sun
23Mon11:423.05:56-0.15:190.15:208:05Waxing Crescent23Mon
24Tue12:073.412:422.97:000.16:380.35:198:06First Quarter24Tue
25Wed1:073.11:432.98:000.28:030.45:198:07First Quarter25Wed
26Thu2:072.82:442.88:550.39:150.55:188:08First Quarter26Thu
27Fri3:072.63:452.99:440.410:190.55:178:09First Quarter27Fri
28Sat4:072.54:433.010:270.411:130.55:178:10Waxing Gibbous28Sat
29Sun5:032.45:343.111:040.45:168:10Waxing Gibbous29Sun
30Mon5:512.46:173.212:000.511:36 AM0.45:168:11Waxing Gibbous30Mon
31Tue6:342.46:573.212:420.412:060.45:158:12Waxing Gibbous31Tue
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 9:26 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 transitional phase. Tonight's moon is 62% 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 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 Third Quarter (62% illuminated). This places Block Island, 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