Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Tuesday, June 16, 2026
The tide is currently falling in Block Island, RI.
Next low tide : in 3h 17m at 2:57 pm (-0.4 ft)
Next high tide : 9:37 pm (4.1 ft)
Sunset today : 8:21 pm
Sunrise tomorrow : 5:12 am
Moon phase : New Moon (4% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - Apr 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:022.23:562.110:180.69:520.66:297:11First Quarter1Tue
2Wed4:212.24:572.311:060.511:010.46:277:12Waxing Gibbous2Wed
3Thu5:172.45:422.511:460.311:520.26:257:13Waxing Gibbous3Thu
4Fri5:592.66:222.812:200.16:247:14Waxing Gibbous4Fri
5Sat6:372.76:593.112:360.012:50-0.16:227:15Waxing Gibbous5Sat
6Sun7:162.97:383.41:18-0.21:19-0.26:217:16Full Moon6Sun
7Mon7:563.08:193.61:59-0.41:51-0.46:197:17Full Moon7Mon
8Tue8:393.19:023.72:39-0.42:26-0.46:177:18Full Moon8Tue
9Wed9:233.19:473.73:19-0.53:05-0.56:167:19Waning Gibbous9Wed
10Thu10:103.010:353.64:00-0.43:47-0.46:147:20Waning Gibbous10Thu
11Fri11:002.911:283.54:46-0.34:33-0.36:127:21Waning Gibbous11Fri
12Sat11:562.85:42-0.15:26-0.16:117:22Waning Gibbous12Sat
13Sun12:263.312:562.86:580.16:330.16:097:23Third Quarter13Sun
14Mon1:283.12:002.78:190.18:150.26:087:24Third Quarter14Mon
15Tue2:353.03:092.89:270.19:510.26:067:26Third Quarter15Tue
16Wed3:462.94:202.910:270.011:000.16:057:27Waning Crescent16Wed
17Thu4:532.95:223.111:19-0.111:580.06:037:28Waning Crescent17Thu
18Fri5:503.06:153.412:04-0.16:027:29Waning Crescent18Fri
19Sat6:403.07:033.512:49-0.112:45-0.26:007:30Waning Crescent19Sat
20Sun7:263.07:473.61:35-0.21:21-0.25:597:31New Moon20Sun
21Mon8:093.08:283.52:18-0.21:54-0.25:577:32New Moon21Mon
22Tue8:513.09:073.42:56-0.22:25-0.25:567:33New Moon22Tue
23Wed9:312.99:443.33:30-0.12:56-0.15:547:34Waxing Crescent23Wed
24Thu10:112.810:203.14:020.03:290.15:537:35Waxing Crescent24Thu
25Fri10:512.610:572.94:320.24:050.25:517:36Waxing Crescent25Fri
26Sat11:342.411:372.75:060.34:450.45:507:37Waxing Crescent26Sat
27Sun12:202.35:500.55:310.55:497:38Waxing Crescent27Sun
28Mon12:212.51:092.26:560.66:260.75:477:39First Quarter28Mon
29Tue1:102.42:002.28:130.67:340.75:467:40First Quarter29Tue
30Wed2:022.42:552.39:110.68:560.75:457:42First Quarter30Wed
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 6:17 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 spring phase. Tonight's moon is 4% 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 (4% 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