Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Tuesday, June 16, 2026
The tide is currently rising in Block Island, RI.
Next low tide : 2:57 pm (-0.4 ft)
Next high tide : in 33m at 9:14 am (3.3 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 - Mar 2021

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon8:513.39:183.52:33-0.72:50-0.76:195:37Waning Gibbous1Mon
2Tue9:373.110:073.53:19-0.63:26-0.66:185:38Waning Gibbous2Tue
3Wed10:272.910:593.44:10-0.44:07-0.46:165:39Waning Gibbous3Wed
4Thu11:222.611:573.25:13-0.24:55-0.36:155:40Third Quarter4Thu
5Fri12:212.46:370.05:550.06:135:41Third Quarter5Fri
6Sat1:003.01:272.28:030.17:150.16:115:43Third Quarter6Sat
7Sun2:122.92:422.29:180.19:050.16:105:44Third Quarter7Sun
8Mon3:302.83:572.310:210.110:200.06:085:45Waning Crescent8Mon
9Tue4:372.94:572.511:140.011:18-0.16:065:46Waning Crescent9Tue
10Wed5:313.05:482.811:59-0.16:055:47Waning Crescent10Wed
11Thu6:173.16:342.912:08-0.212:39-0.26:035:48New Moon11Thu
12Fri6:593.17:153.112:51-0.31:13-0.36:025:49New Moon12Fri
13Sat7:373.17:543.11:29-0.31:42-0.36:005:50New Moon13Sat
14Sun9:133.09:293.13:02-0.33:06-0.36:586:52New Moon14Sun
15Mon9:472.910:023.03:31-0.23:28-0.36:576:53Waxing Crescent15Mon
16Tue10:202.710:332.93:59-0.13:53-0.26:556:54Waxing Crescent16Tue
17Wed10:552.511:052.74:280.04:230.06:536:55Waxing Crescent17Wed
18Thu11:322.311:402.65:020.24:570.26:526:56Waxing Crescent18Thu
19Fri12:132.15:430.45:370.36:506:57First Quarter19Fri
20Sat12:212.41:011.96:360.66:260.56:486:58First Quarter20Sat
21Sun1:112.31:561.88:060.77:250.66:476:59First Quarter21Sun
22Mon2:102.33:021.910:010.68:350.56:457:00First Quarter22Mon
23Tue3:242.34:182.011:010.510:010.46:437:01Waxing Gibbous23Tue
24Wed4:422.55:202.311:470.311:160.26:417:02Waxing Gibbous24Wed
25Thu5:422.86:102.712:260.06:407:04Waxing Gibbous25Thu
26Fri6:303.06:553.012:11-0.11:01-0.26:387:05Waxing Gibbous26Fri
27Sat7:153.37:403.41:01-0.41:35-0.46:367:06Full Moon27Sat
28Sun8:003.48:253.71:50-0.62:10-0.66:357:07Full Moon28Sun
29Mon8:463.49:103.92:37-0.72:45-0.76:337:08Full Moon29Mon
30Tue9:323.39:573.93:25-0.73:22-0.76:317:09Waning Gibbous30Tue
31Wed10:203.210:473.84:13-0.64:02-0.66:307:10Waning Gibbous31Wed
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 12:05 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