Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently rising in Block Island, RI.
Next low tide : 7:48 pm (0.7 ft)
Next high tide : in 4h 09m at 1:36 pm (3.1 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:20 am
Moon phase : Third Quarter (52% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - Jul 2063

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun12:313.46:17-0.16:420.25:178:23First Quarter1Sun
2Mon12:473.21:283.47:080.08:010.35:188:22First Quarter2Mon
3Tue1:422.92:263.47:580.19:130.45:188:22First Quarter3Tue
4Wed2:412.63:283.48:490.210:210.45:198:22First Quarter4Wed
5Thu3:462.54:323.49:460.311:220.45:198:22Waxing Gibbous5Thu
6Fri4:532.45:333.310:450.45:208:22Waxing Gibbous6Fri
7Sat5:532.56:273.312:160.411:41 AM0.45:218:21Waxing Gibbous7Sat
8Sun6:452.67:163.31:050.412:320.45:218:21Full Moon8Sun
9Mon7:332.78:013.31:500.31:190.35:228:20Full Moon9Mon
10Tue8:182.88:423.32:300.32:010.35:238:20Full Moon10Tue
11Wed9:002.89:203.33:070.22:400.35:238:20Full Moon11Wed
12Thu9:402.89:563.23:400.23:160.45:248:19Waning Gibbous12Thu
13Fri10:182.810:303.04:100.23:510.45:258:19Waning Gibbous13Fri
14Sat10:552.811:042.94:370.34:270.55:268:18Waning Gibbous14Sat
15Sun11:312.711:402.75:040.35:080.75:268:17Waning Gibbous15Sun
16Mon12:092.75:340.45:550.85:278:17Waning Gibbous16Mon
17Tue12:192.612:482.86:100.56:510.85:288:16Third Quarter17Tue
18Wed1:032.41:312.86:500.57:570.95:298:15Third Quarter18Wed
19Thu1:512.32:202.97:370.59:170.85:308:15Third Quarter19Thu
20Fri2:472.33:183.08:300.510:350.75:318:14Waning Crescent20Fri
21Sat3:532.34:243.19:290.411:350.55:328:13Waning Crescent21Sat
22Sun5:012.45:293.410:340.35:328:12Waning Crescent22Sun
23Mon6:012.76:263.612:280.311:37 AM0.15:338:12Waning Crescent23Mon
24Tue6:562.97:203.81:180.112:36-0.15:348:11New Moon24Tue
25Wed7:483.28:114.02:05-0.11:34-0.35:358:10New Moon25Wed
26Thu8:393.49:014.02:50-0.32:31-0.45:368:09New Moon26Thu
27Fri9:303.69:503.93:32-0.43:26-0.45:378:08Waxing Crescent27Fri
28Sat10:213.710:403.74:13-0.44:20-0.35:388:07Waxing Crescent28Sat
29Sun11:133.711:313.44:53-0.35:19-0.15:398:06Waxing Crescent29Sun
30Mon12:073.75:35-0.16:280.25:408:05First Quarter30Mon
31Tue12:243.11:033.66:200.07:430.45:418:04First Quarter31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8459338)

Common Questions About Block Island, RI Tides

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

Slack tide in Block Island, RI is approximately 4:42 pm — 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 52% 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 Third Quarter (52% 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