Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Friday, July 3, 2026
The tide is currently falling in Block Island, RI.
Next low tide : in 3h 13m at 4:08 pm (0.5 ft)
Next high tide : 10:46 pm (3.0 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:18 am
Moon phase : Waning Gibbous (88% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - Oct 2056

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:002.31:102.76:230.88:380.96:446:27Third Quarter1Sun
2Mon1:552.32:082.77:240.89:490.96:456:25Third Quarter2Mon
3Tue2:572.33:152.78:360.810:430.76:466:24Third Quarter3Tue
4Wed4:042.54:242.99:560.611:250.56:476:22Waning Crescent4Wed
5Thu5:042.85:233.111:040.46:486:20Waning Crescent5Thu
6Fri5:543.16:123.412:020.211:57 AM0.16:496:19Waning Crescent6Fri
7Sat6:403.56:593.612:370.012:47-0.16:506:17New Moon7Sat
8Sun7:263.87:463.71:12-0.21:36-0.36:516:15New Moon8Sun
9Mon8:124.18:333.71:50-0.42:25-0.56:526:14New Moon9Mon
10Tue8:594.29:223.62:29-0.53:14-0.56:536:12New Moon10Tue
11Wed9:484.210:123.53:10-0.44:04-0.46:546:10Waxing Crescent11Wed
12Thu10:404.111:053.23:53-0.35:00-0.16:556:09Waxing Crescent12Thu
13Fri11:363.84:39-0.16:100.16:566:07Waxing Crescent13Fri
14Sat12:033.012:373.65:350.27:320.36:576:06First Quarter14Sat
15Sun1:072.81:433.36:580.48:440.46:596:04First Quarter15Sun
16Mon2:132.72:533.18:450.59:490.47:006:03First Quarter16Mon
17Tue3:242.84:043.010:020.510:450.47:016:01Waxing Gibbous17Tue
18Wed4:322.95:063.011:050.411:330.37:026:00Waxing Gibbous18Wed
19Thu5:293.05:573.111:560.37:035:58Waxing Gibbous19Thu
20Fri6:173.26:403.112:130.212:400.27:045:57Waxing Gibbous20Fri
21Sat6:593.37:193.112:460.21:200.27:055:55Full Moon21Sat
22Sun7:373.47:563.11:150.11:550.27:065:54Full Moon22Sun
23Mon8:123.48:313.01:400.12:280.17:085:52Full Moon23Mon
24Tue8:443.49:052.92:050.12:570.27:095:51Full Moon24Tue
25Wed9:153.39:392.82:330.13:250.27:105:50Waning Gibbous25Wed
26Thu9:463.210:152.73:050.23:550.37:115:48Waning Gibbous26Thu
27Fri10:203.010:542.53:390.34:280.57:125:47Waning Gibbous27Fri
28Sat10:592.911:382.44:170.55:070.67:135:46Waning Gibbous28Sat
29Sun11:442.84:590.65:580.77:155:44Waning Gibbous29Sun
30Mon12:292.312:362.75:490.77:190.87:165:43Third Quarter30Mon
31Tue1:242.31:342.76:500.88:580.77:175:42Third Quarter31Tue
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 7:27 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 88% 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 (88% 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