41.1867’ N, 71.5783’ W

Block Island, RI

62°
H -°
L 59°
SW
13mph
High tide
6:03 pm

Tides Today & Tomorrow in Block Island, RI

TIDE TIMES for Wednesday, October 7, 2026
The tide is currently rising in Block Island, RI.
Next low tide (tomorrow) : 12:26 am (0.0 ft)
Next high tide : in 1h 06m at 6:03 pm (3.3 ft)
Sunset today : 6:18 pm
Sunrise tomorrow : 6:49 am
Moon phase : Waning Crescent (10% illuminated)
Tide Station Location : Station #8459338
Common Questions About Tides

Block Island, RI Tides - May 1825

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:053.36:324.112:11-0.512:01-0.54:476:46Full Moon1Sun
2Mon6:563.37:214.11:03-0.612:48-0.54:466:47Full Moon2Mon
3Tue7:463.38:114.01:53-0.61:33-0.54:456:48Full Moon3Tue
4Wed8:353.29:003.82:41-0.52:18-0.34:436:49Waning Gibbous4Wed
5Thu9:253.19:503.53:28-0.33:02-0.14:426:50Waning Gibbous5Thu
6Fri10:162.910:423.24:18-0.13:470.14:416:52Waning Gibbous6Fri
7Sat11:102.711:372.95:130.24:410.44:406:53Waning Gibbous7Sat
8Sun12:062.66:130.36:040.64:396:54Third Quarter8Sun
9Mon12:322.71:032.57:080.57:270.74:376:55Third Quarter9Mon
10Tue1:282.52:022.57:580.58:330.74:366:56Third Quarter10Tue
11Wed2:262.43:022.68:430.59:310.74:356:57Third Quarter11Wed
12Thu3:262.33:562.79:250.510:210.64:346:58Waning Crescent12Thu
13Fri4:172.44:402.810:020.411:060.44:336:59Waning Crescent13Fri
14Sat5:012.45:183.010:370.311:480.34:327:00Waning Crescent14Sat
15Sun5:392.55:533.111:110.24:317:01Waning Crescent15Sun
16Mon6:162.66:273.312:290.211:47 AM0.14:307:02New Moon16Mon
17Tue6:532.77:033.41:090.112:240.14:297:03New Moon17Tue
18Wed7:312.77:423.41:470.11:030.04:287:04New Moon18Wed
19Thu8:122.88:223.42:210.11:420.04:277:05New Moon19Thu
20Fri8:542.89:053.32:540.12:240.14:277:05Waxing Crescent20Fri
21Sat9:402.89:523.33:280.13:080.14:267:06Waxing Crescent21Sat
22Sun10:302.810:433.24:080.23:570.24:257:07Waxing Crescent22Sun
23Mon11:252.911:373.14:570.24:550.34:247:08First Quarter23Mon
24Tue12:223.05:550.26:070.44:237:09First Quarter24Tue
25Wed12:353.01:213.16:550.27:320.44:237:10First Quarter25Wed
26Thu1:362.92:233.37:550.18:580.34:227:11First Quarter26Thu
27Fri2:422.83:273.58:550.010:070.14:217:12Waxing Gibbous27Fri
28Sat3:492.94:283.79:53-0.111:06-0.14:217:13Waxing Gibbous28Sat
29Sun4:513.05:233.910:46-0.24:207:13Waxing Gibbous29Sun
30Mon5:463.16:154.012:00-0.211:37 AM-0.24:207:14Full Moon30Mon
31Tue6:393.17:064.012:52-0.312:28-0.24:197:15Full Moon31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8459338)

Common Questions About Block Island, RI Tides

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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 10% 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 Crescent (10% 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