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 1h 05m 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 - Jan 2031

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed1:312.71:522.28:250.47:570.27:114:28First Quarter1Wed
2Thu2:352.62:582.19:280.48:530.37:114:28Waxing Gibbous2Thu
3Fri3:402.64:002.110:220.49:460.37:114:29Waxing Gibbous3Fri
4Sat4:352.64:532.111:090.310:320.27:114:30Waxing Gibbous4Sat
5Sun5:222.75:382.311:510.211:130.17:114:31Waxing Gibbous5Sun
6Mon6:022.86:182.412:300.17:114:32Full Moon6Mon
7Tue6:382.96:552.51:070.07:114:33Full Moon7Tue
8Wed7:112.97:312.612:31-0.11:42-0.17:114:34Full Moon8Wed
9Thu7:422.98:062.61:08-0.22:13-0.27:114:35Full Moon9Thu
10Fri8:142.98:412.61:44-0.22:37-0.27:114:36Full Moon10Fri
11Sat8:482.99:172.62:19-0.12:59-0.17:104:37Waning Gibbous11Sat
12Sun9:242.89:572.62:55-0.13:24-0.17:104:38Waning Gibbous12Sun
13Mon10:042.610:412.63:350.03:57-0.17:104:39Waning Gibbous13Mon
14Tue10:502.511:292.74:200.14:37-0.17:094:40Third Quarter14Tue
15Wed11:422.45:140.25:260.07:094:42Third Quarter15Wed
16Thu12:222.712:382.36:210.36:230.07:084:43Third Quarter16Thu
17Fri1:212.81:422.37:470.27:28-0.17:084:44Third Quarter17Fri
18Sat2:272.92:532.39:210.18:42-0.27:074:45Waning Crescent18Sat
19Sun3:383.14:052.510:28-0.210:00-0.37:074:46Waning Crescent19Sun
20Mon4:423.45:072.811:24-0.411:06-0.57:064:47Waning Crescent20Mon
21Tue5:393.66:023.012:15-0.67:064:49New Moon21Tue
22Wed6:323.86:543.312:05-0.71:03-0.87:054:50New Moon22Wed
23Thu7:223.87:453.41:00-0.81:49-0.97:044:51New Moon23Thu
24Fri8:113.78:333.41:52-0.82:30-0.97:044:52New Moon24Fri
25Sat8:583.59:213.42:40-0.73:09-0.87:034:53Waxing Crescent25Sat
26Sun9:453.210:103.23:28-0.53:45-0.67:024:55Waxing Crescent26Sun
27Mon10:322.911:003.04:18-0.34:20-0.37:014:56Waxing Crescent27Mon
28Tue11:222.611:522.75:180.04:57-0.17:004:57First Quarter28Tue
29Wed12:142.36:300.35:390.16:594:58First Quarter29Wed
30Thu12:472.51:092.07:410.46:300.36:585:00First Quarter30Thu
31Fri1:472.42:131.98:490.57:340.46:585:01First Quarter31Fri
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