Block Island (Old Harbor), RI Tide Chart & Tide Times

NOAA tide station 8459338 · Rhode Island · updated Oct 24, 2026

Sat, Oct 24: High tide 6:34 AM (3.5 ft) and 6:58 PM (3.1 ft); low tide 12:14 AM (0.1 ft) and 1:03 PM (0.0 ft).

Tide todayHigh 6:34 AM · High 6:58 PMLow 12:14 AM · Low 1:03 PM

Today's range3.5 ft0.0 → 3.5 ft (MLLW)

Waves (buoy)Loading…NDBC 44097

Water temp (buoy)Loading…

WindLoading…

Sun7:08 AM – 5:51 PMFirst light 6:39 AM · Last light 6:20 PM

Buoy: NOAA NDBC 44097 (Block Island, RI (154)), 27 mi away. Buoy readings are recent observations, not a surf forecast. Wind: observed at NOAA CO-OPS station 8510560 (Montauk), 23 mi away; forecast from the NOAA National Weather Service (api.weather.gov).

Block Island (Old Harbor) tides — next 3 days

Shaded = night · heights in feet above MLLW · local time

YesterdayFri, Oct 23

High 5:55 AM 3.1 ft
Low 12:21 PM 0.2 ft
High 6:16 PM 3.0 ft

First light 6:38 AMSunrise 7:07 AMSunset 5:53 PMLast light 6:21 PM

TodaySat, Oct 24

Low 12:14 AM 0.1 ft
High 6:34 AM 3.5 ft
Low 1:03 PM 0.0 ft
High 6:58 PM 3.1 ft

First light 6:39 AMSunrise 7:08 AMSunset 5:51 PMLast light 6:20 PM

TomorrowSun, Oct 25

Low 12:47 AM -0.1 ft
High 7:15 AM 3.8 ft
Low 1:45 PM -0.1 ft
High 7:41 PM 3.2 ft

First light 6:40 AMSunrise 7:09 AMSunset 5:50 PMLast light 6:19 PM

MondayMon, Oct 26

Low 1:24 AM -0.3 ft
High 7:58 AM 4.0 ft
Low 2:28 PM -0.2 ft
High 8:26 PM 3.2 ft

First light 6:41 AMSunrise 7:10 AMSunset 5:49 PMLast light 6:17 PM

TuesdayTue, Oct 27

Low 2:04 AM -0.3 ft
High 8:44 AM 4.0 ft
Low 3:13 PM -0.2 ft
High 9:13 PM 3.2 ft

First light 6:42 AMSunrise 7:11 AMSunset 5:47 PMLast light 6:16 PM

Block Island (Old Harbor) tide table — next 8 days

Fri, Oct 23	High 5:55 AM 3.13 ft	Low 12:21 PM 0.23 ft	High 6:16 PM 2.98 ft
Sat, Oct 24	Low 12:14 AM 0.06 ft	High 6:34 AM 3.48 ft	Low 1:03 PM 0.01 ft	High 6:58 PM 3.11 ft
Sun, Oct 25	Low 12:47 AM -0.13 ft	High 7:15 AM 3.76 ft	Low 1:45 PM -0.15 ft	High 7:41 PM 3.19 ft
Mon, Oct 26	Low 1:24 AM -0.27 ft	High 7:58 AM 3.96 ft	Low 2:28 PM -0.23 ft	High 8:26 PM 3.21 ft
Tue, Oct 27	Low 2:04 AM -0.33 ft	High 8:44 AM 4.03 ft	Low 3:13 PM -0.22 ft	High 9:13 PM 3.17 ft
Wed, Oct 28	Low 2:47 AM -0.32 ft	High 9:32 AM 3.98 ft	Low 3:59 PM -0.12 ft	High 10:02 PM 3.08 ft
Thu, Oct 29	Low 3:34 AM -0.23 ft	High 10:23 AM 3.83 ft	Low 4:53 PM 0.05 ft	High 10:56 PM 2.96 ft
Fri, Oct 30	Low 4:24 AM -0.07 ft	High 11:20 AM 3.61 ft	Low 6:05 PM 0.23 ft	High 11:55 PM 2.85 ft
Sat, Oct 31	Low 5:22 AM 0.14 ft	High 12:23 PM 3.37 ft	Low 7:27 PM 0.33 ft

Times are local (standard/daylight). Heights in feet above MLLW.

Nearby tide stations

Southwest Point, Block Island, RI 2.9 mi
Point Judith, Harbor of Refuge, RI 13.6 mi
Weekapaug Point, Block Island Sound, RI 15.1 mi
Narragansett Pier, RI 18.0 mi
Watch Hill Point, RI 18.2 mi
Westerly, Pawcatuck River, RI 20.3 mi
Beavertail Point, RI 20.9 mi
Lake Montauk, NY 20.9 mi

About this station

NOAA station ID: 8459338
Type: Reference (harmonic) station
Coordinates: 41.1733, -71.5567
Datum: MLLW (feet)
Time zone: America/New_York

FAQ

When is high tide today at Block Island (Old Harbor), RI?

On Sat, Oct 24, predicted high tide at Block Island (Old Harbor), RI is at 6:34 AM, 6:58 PM local time.

When is low tide today at Block Island (Old Harbor), RI?

On Sat, Oct 24, predicted low tide at Block Island (Old Harbor), RI is at 12:14 AM, 1:03 PM local time.

Where does this tide data come from?

Predictions come from NOAA's Center for Operational Oceanographic Products and Services (CO-OPS), station 8459338. Heights are in feet relative to Mean Lower Low Water (MLLW).