Tides Today & Tomorrow in Westerly, RI

TIDE TIMES for Monday, August 17, 2026
The tide is currently rising in Westerly, RI.
Next low tide : 8:28 pm (0.5 ft)
Next high tide : in 2h 51m at 1:18 pm (3.2 ft)
Sunset today : 7:44 pm
Sunrise tomorrow : 5:58 am
Moon phase : Waxing Crescent (27% illuminated)
Tide Station Location : Station #8455189
Common Questions About Tides

Westerly, RI Tides - Feb 1942

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun9:032.89:212.43:15-0.13:52-0.36:595:02Full Moon1Sun
2Mon9:392.710:012.43:55-0.24:31-0.46:585:04Full Moon2Mon
3Tue10:162.710:432.54:38-0.25:12-0.46:575:05Waning Gibbous3Tue
4Wed10:562.611:272.55:25-0.25:57-0.36:565:06Waning Gibbous4Wed
5Thu11:392.56:18-0.16:45-0.36:545:08Waning Gibbous5Thu
6Fri12:152.612:272.47:14-0.17:36-0.26:535:09Waning Gibbous6Fri
7Sat1:062.61:202.38:13-0.18:29-0.16:525:10Third Quarter7Sat
8Sun2:022.62:212.19:14-0.19:27-0.16:515:11Third Quarter8Sun
9Mon4:072.74:312.111:17-0.111:27-0.17:506:13Third Quarter9Mon
10Tue5:132.85:382.112:18-0.27:496:14Waning Crescent10Tue
11Wed6:132.96:372.212:28-0.21:17-0.37:476:15Waning Crescent11Wed
12Thu7:083.07:312.31:27-0.32:14-0.47:466:16Waning Crescent12Thu
13Fri8:003.08:232.52:24-0.43:07-0.57:456:18Waning Crescent13Fri
14Sat8:503.19:132.63:19-0.53:56-0.67:446:19New Moon14Sat
15Sun9:383.010:012.74:10-0.54:42-0.67:426:20New Moon15Sun
16Mon10:242.910:492.74:58-0.55:26-0.57:416:21New Moon16Mon
17Tue11:112.811:372.75:46-0.46:11-0.37:406:22Waxing Crescent17Tue
18Wed11:582.66:35-0.36:56-0.27:386:24Waxing Crescent18Wed
19Thu12:272.612:472.47:27-0.17:440.07:376:25Waxing Crescent19Thu
20Fri1:182.61:382.28:200.08:320.27:356:26Waxing Crescent20Fri
21Sat2:092.52:302.19:140.29:220.37:346:27First Quarter21Sat
22Sun3:042.43:252.010:090.210:140.47:326:29First Quarter22Sun
23Mon4:032.34:261.911:050.311:090.57:316:30First Quarter23Mon
24Tue5:052.35:251.911:590.37:306:31First Quarter24Tue
25Wed6:012.46:182.012:020.512:490.27:286:32Waxing Gibbous25Wed
26Thu6:502.57:052.112:520.41:360.27:276:33Waxing Gibbous26Thu
27Fri7:352.67:492.31:400.32:200.17:256:35Waxing Gibbous27Fri
28Sat8:162.68:312.42:250.13:02-0.17:236:36Waxing Gibbous28Sat
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 4:53 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 Westerly, RI?

Westerly, RI is currently in a transitional phase. Tonight's moon is 27% 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 Waxing Crescent (27% 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