Tides Today & Tomorrow in Castle Hill, RI

TIDE TIMES for Monday, August 10, 2026
The tide is currently rising in Castle Hill, RI.
Next low tide (tomorrow) : 1:22 am (0.1 ft)
Next high tide : in 3h 34m at 6:38 pm (4.2 ft)
Sunset today : 7:52 pm
Sunrise tomorrow : 5:49 am
Moon phase : Waning Crescent (6% illuminated)
Tide Station Location : Station #8453201
Common Questions About Tides

Castle Hill, RI Tides - Mar 2092

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat1:113.51:393.07:510.37:170.26:175:37Third Quarter1Sat
2Sun2:153.42:452.99:370.38:520.26:165:38Third Quarter2Sun
3Mon3:243.43:533.010:390.210:170.16:145:39Waning Crescent3Mon
4Tue4:313.54:563.211:290.111:130.06:135:40Waning Crescent4Tue
5Wed5:283.65:503.412:100.06:115:41Waning Crescent5Wed
6Thu6:183.76:383.612:44-0.16:095:42New Moon6Thu
7Fri7:043.87:233.712:40-0.21:12-0.26:085:43New Moon7Fri
8Sat7:463.78:053.71:19-0.31:39-0.26:065:45New Moon8Sat
9Sun9:273.69:463.61:58-0.33:10-0.37:046:46New Moon9Sun
10Mon10:063.410:253.53:35-0.33:42-0.27:036:47Waxing Crescent10Mon
11Tue10:463.111:043.24:12-0.24:16-0.27:016:48Waxing Crescent11Tue
12Wed11:262.911:433.04:490.04:510.06:596:49Waxing Crescent12Wed
13Thu12:082.75:280.25:290.16:586:50Waxing Crescent13Thu
14Fri12:232.812:512.56:110.46:110.36:566:51First Quarter14Fri
15Sat1:062.61:372.37:040.67:020.56:546:53First Quarter15Sat
16Sun1:512.52:262.38:180.78:060.56:536:54First Quarter16Sun
17Mon2:422.53:212.39:500.79:180.56:516:55First Quarter17Mon
18Tue3:432.54:232.510:530.510:270.36:496:56Waxing Gibbous18Tue
19Wed4:482.75:222.711:380.311:240.16:486:57Waxing Gibbous19Wed
20Thu5:463.06:143.112:170.06:466:58Waxing Gibbous20Thu
21Fri6:363.37:023.512:14-0.212:54-0.26:446:59Waxing Gibbous21Fri
22Sat7:233.67:473.81:01-0.41:31-0.46:437:00Full Moon22Sat
23Sun8:083.88:334.11:48-0.62:11-0.66:417:01Full Moon23Sun
24Mon8:553.99:204.22:36-0.82:51-0.76:397:02Full Moon24Mon
25Tue9:433.910:094.33:24-0.83:33-0.76:377:04Waning Gibbous25Tue
26Wed10:343.811:004.24:12-0.74:15-0.66:367:05Waning Gibbous26Wed
27Thu11:283.611:564.04:59-0.55:00-0.46:347:06Waning Gibbous27Thu
28Fri12:253.45:51-0.25:48-0.16:327:07Third Quarter28Fri
29Sat12:543.81:243.26:560.26:470.26:317:08Third Quarter29Sat
30Sun1:553.62:253.19:030.48:090.46:297:09Third Quarter30Sun
31Mon2:593.43:293.110:260.410:220.46:277:10Third Quarter31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8453201)

Common Questions About Castle Hill, RI Tides

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

Slack tide in Castle Hill, RI is approximately 10:00 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 Castle Hill, RI?

Castle Hill, RI is currently in a spring phase. Tonight's moon is 6% 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 Castle Hill, 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 Castle Hill, RI?

Tide predictions for Castle Hill, 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 Castle Hill, RI?

Tide data for Castle Hill, RI is sourced from NOAA Station #8453201. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8453201.

What is the moon phase in Castle Hill, RI tonight?

Tonight the moon over Castle Hill, RI is Waning Crescent (6% illuminated). This places Castle Hill, 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