Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Thursday, July 2, 2026
The tide is currently rising in Block Island, RI.
Next low tide : 3:29 pm (0.4 ft)
Next high tide : in 4h 09m at 9:55 am (2.7 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:17 am
Moon phase : Waning Gibbous (94% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - Jun 2054

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon4:212.44:512.910:230.411:360.55:158:12Waning Crescent1Mon
2Tue5:162.65:393.111:060.35:158:13Waning Crescent2Tue
3Wed6:052.76:243.412:220.311:49 AM0.15:148:14Waning Crescent3Wed
4Thu6:512.97:093.71:070.112:32-0.15:148:15New Moon4Thu
5Fri7:383.07:553.81:51-0.11:16-0.25:148:15New Moon5Fri
6Sat8:263.28:433.92:36-0.22:03-0.35:138:16New Moon6Sat
7Sun9:153.29:323.93:20-0.32:51-0.35:138:17New Moon7Sun
8Mon10:053.310:233.94:05-0.33:41-0.35:138:17Waxing Crescent8Mon
9Tue10:583.311:163.74:54-0.24:33-0.15:138:18Waxing Crescent9Tue
10Wed11:543.35:51-0.15:340.05:138:18Waxing Crescent10Wed
11Thu12:133.512:533.26:550.06:520.25:138:19First Quarter11Thu
12Fri1:123.31:533.37:570.08:200.35:128:19First Quarter12Fri
13Sat2:113.12:553.38:550.19:360.35:128:20First Quarter13Sat
14Sun3:152.94:003.39:510.110:420.35:128:20Waxing Gibbous14Sun
15Mon4:212.85:023.410:440.111:400.25:128:20Waxing Gibbous15Mon
16Tue5:232.85:573.511:320.15:138:21Waxing Gibbous16Tue
17Wed6:172.86:463.612:320.212:160.15:138:21Waxing Gibbous17Wed
18Thu7:062.97:323.61:190.112:570.15:138:22Full Moon18Thu
19Fri7:512.98:163.52:030.11:350.15:138:22Full Moon19Fri
20Sat8:352.98:573.42:420.12:110.25:138:22Full Moon20Sat
21Sun9:172.99:353.33:190.12:460.25:138:22Full Moon21Sun
22Mon9:572.810:133.23:520.13:210.35:148:22Waning Gibbous22Mon
23Tue10:372.710:503.04:240.23:580.45:148:23Waning Gibbous23Tue
24Wed11:172.711:282.94:560.34:380.65:148:23Waning Gibbous24Wed
25Thu11:592.65:310.45:220.75:158:23Waning Gibbous25Thu
26Fri12:082.712:412.66:110.56:150.85:158:23Third Quarter26Fri
27Sat12:512.61:242.66:550.57:180.85:158:23Third Quarter27Sat
28Sun1:372.52:102.77:400.58:310.85:168:23Third Quarter28Sun
29Mon2:282.53:022.88:280.59:540.75:168:23Third Quarter29Mon
30Tue3:262.54:003.09:190.410:580.65:178:23Waning Crescent30Tue
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 12:42 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 spring phase. Tonight's moon is 94% 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 Waning Gibbous (94% 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