Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Thursday, July 2, 2026
The tide is currently falling in Block Island, RI.
Next low tide : in 3h 53m at 3:29 pm (0.4 ft)
Next high tide : 10:09 pm (3.1 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 - Mar 2001

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu11:292.311:522.74:560.25:020.06:205:37First Quarter1Thu
2Fri12:252.25:580.35:580.16:185:38First Quarter2Fri
3Sat12:502.71:292.27:250.37:030.16:165:39First Quarter3Sat
4Sun1:572.82:412.39:150.28:200.06:155:40First Quarter4Sun
5Mon3:142.93:552.510:210.09:46-0.26:135:41Waxing Gibbous5Mon
6Tue4:253.14:572.811:15-0.310:57-0.46:125:42Waxing Gibbous6Tue
7Wed5:243.45:523.112:04-0.56:105:44Waxing Gibbous7Wed
8Thu6:173.66:423.412:49-0.76:085:45Full Moon8Thu
9Fri7:073.77:313.612:51-0.81:32-0.86:075:46Full Moon9Fri
10Sat7:543.68:193.71:42-0.92:11-0.86:055:47Full Moon10Sat
11Sun8:413.59:063.72:30-0.82:47-0.76:035:48Waning Gibbous11Sun
12Mon9:273.29:533.53:16-0.63:20-0.56:025:49Waning Gibbous12Mon
13Tue10:132.910:413.24:03-0.43:52-0.36:005:50Waning Gibbous13Tue
14Wed11:022.611:332.94:55-0.14:270.05:595:51Waning Gibbous14Wed
15Thu11:542.36:010.25:100.25:575:52Third Quarter15Thu
16Fri12:282.712:512.17:150.46:040.55:555:54Third Quarter16Fri
17Sat1:302.41:571.98:250.57:330.65:545:55Third Quarter17Sat
18Sun2:462.33:151.99:290.59:230.65:525:56Third Quarter18Sun
19Mon3:572.34:182.110:220.510:220.55:505:57Waning Crescent19Mon
20Tue4:512.45:062.211:060.311:090.35:485:58Waning Crescent20Tue
21Wed5:332.65:462.511:440.211:500.15:475:59Waning Crescent21Wed
22Thu6:092.76:202.712:180.05:456:00Waning Crescent22Thu
23Fri6:422.86:522.812:280.012:49-0.15:436:01New Moon23Fri
24Sat7:122.97:243.01:04-0.11:16-0.25:426:02New Moon24Sat
25Sun7:442.97:573.11:38-0.21:40-0.25:406:03New Moon25Sun
26Mon8:182.98:313.22:09-0.22:05-0.35:386:04New Moon26Mon
27Tue8:542.89:093.22:40-0.22:35-0.35:376:05Waxing Crescent27Tue
28Wed9:352.79:503.13:13-0.13:09-0.25:356:07Waxing Crescent28Wed
29Thu10:202.610:383.13:520.03:49-0.15:336:08Waxing Crescent29Thu
30Fri11:122.511:313.04:400.24:370.05:326:09First Quarter30Fri
31Sat12:102.45:440.35:360.15:306:10First Quarter31Sat
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 6:49 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