Tides Today & Tomorrow in Westerly, RI

TIDE TIMES for Friday, August 21, 2026
The tide is currently falling in Westerly, RI.
Next low tide (tomorrow) : in 6h 43m at 12:15 am (0.7 ft)
Next high tide (tomorrow) : 5:40 am (2.2 ft)
Sunset today : 7:38 pm
Sunrise tomorrow : 6:02 am
Moon phase : First Quarter (65% illuminated)
Tide Station Location : Station #8455189
Common Questions About Tides

Westerly, RI Tides - Mar 1931

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun6:122.96:292.312:160.11:13-0.26:225:36Waxing Gibbous1Sun
2Mon7:013.07:182.51:13-0.22:03-0.46:215:38Waxing Gibbous2Mon
3Tue7:493.18:072.82:09-0.42:50-0.56:195:39Full Moon3Tue
4Wed8:363.18:573.03:02-0.63:35-0.66:185:40Full Moon4Wed
5Thu9:243.09:473.23:54-0.64:19-0.66:165:41Full Moon5Thu
6Fri10:132.910:383.24:47-0.65:06-0.56:155:42Waning Gibbous6Fri
7Sat11:052.611:323.25:43-0.55:56-0.36:135:43Waning Gibbous7Sat
8Sun12:002.46:42-0.36:50-0.16:115:45Waning Gibbous8Sun
9Mon12:283.012:572.27:43-0.27:480.16:105:46Third Quarter9Mon
10Tue1:272.91:572.08:440.08:510.36:085:47Third Quarter10Tue
11Wed2:312.73:051.99:470.19:570.46:065:48Third Quarter11Wed
12Thu3:432.54:161.910:500.211:030.46:055:49Third Quarter12Thu
13Fri4:512.55:152.011:480.36:035:50Waning Crescent13Fri
14Sat5:472.56:042.212:030.312:410.36:015:51Waning Crescent14Sat
15Sun6:332.56:472.312:560.31:270.26:005:52Waning Crescent15Sun
16Mon7:132.57:282.41:430.22:070.25:585:54Waning Crescent16Mon
17Tue7:522.58:082.62:240.12:420.25:565:55New Moon17Tue
18Wed8:292.58:462.73:020.13:140.15:555:56New Moon18Wed
19Thu9:052.59:232.73:370.03:440.15:535:57New Moon19Thu
20Fri9:422.410:002.84:130.04:150.25:515:58New Moon20Fri
21Sat10:212.410:362.74:510.04:470.35:505:59Waxing Crescent21Sat
22Sun11:012.311:122.75:330.15:220.45:486:00Waxing Crescent22Sun
23Mon11:432.211:492.66:190.16:040.55:466:01Waxing Crescent23Mon
24Tue12:282.17:090.26:520.65:456:02Waxing Crescent24Tue
25Wed12:322.61:152.08:030.27:480.65:436:03First Quarter25Wed
26Thu1:252.62:102.08:590.38:490.65:416:04First Quarter26Thu
27Fri2:342.63:172.09:590.39:550.55:396:06First Quarter27Fri
28Sat3:502.64:222.110:570.210:590.45:386:07First Quarter28Sat
29Sun4:542.85:182.411:520.15:366:08Waxing Gibbous29Sun
30Mon5:482.96:082.712:000.112:44-0.15:346:09Waxing Gibbous30Mon
31Tue6:373.06:573.012:59-0.11:34-0.25:336:10Waxing Gibbous31Tue
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8455189)

Common Questions About Westerly, RI Tides

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What time does the tide turn (slack tide) in Westerly, RI today?

Slack tide in Westerly, RI is approximately 2:57 am — 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 Westerly, RI?

Westerly, RI is currently in a transitional phase. Tonight's moon is 65% 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 shifting between spring and neap.

What datum are Westerly, 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 Westerly, RI?

Tide predictions for Westerly, 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 Westerly, RI?

Tide data for Westerly, RI is sourced from NOAA Station #8455189. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8455189.

What is the moon phase in Westerly, RI tonight?

Tonight the moon over Westerly, RI is First Quarter (65% illuminated). This places Westerly, RI in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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