Tides Today & Tomorrow in Castle Hill, RI

TIDE TIMES for Saturday, August 1, 2026
The tide is currently rising in Castle Hill, RI.
Next low tide : 4:05 pm (0.3 ft)
Next high tide : in 4h 42m at 10:13 am (3.4 ft)
Sunset today : 8:03 pm
Sunrise tomorrow : 5:40 am
Moon phase : Waning Gibbous (91% illuminated)
Tide Station Location : Station #8453201
Common Questions About Tides

Castle Hill, RI Tides - Jul 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri12:343.51:093.56:230.26:480.55:168:23Third Quarter1Fri
2Sat1:283.42:023.67:140.28:060.65:168:23Third Quarter2Sat
3Sun2:233.32:583.88:120.29:370.55:178:22Third Quarter3Sun
4Mon3:223.23:593.99:120.210:550.45:178:22Waning Crescent4Mon
5Tue4:273.25:034.110:110.111:560.35:188:22Waning Crescent5Tue
6Wed5:323.26:054.211:080.05:188:21Waning Crescent6Wed
7Thu6:323.47:014.312:510.212:030.05:198:21Waning Crescent7Thu
8Fri7:273.67:554.41:450.112:56-0.15:208:21New Moon8Fri
9Sat8:193.78:454.32:390.11:500.05:208:20New Moon9Sat
10Sun9:093.79:344.23:280.12:440.05:218:20New Moon10Sun
11Mon9:593.710:224.04:090.13:350.15:228:19Waxing Crescent11Mon
12Tue10:483.611:103.74:420.24:220.35:238:19Waxing Crescent12Tue
13Wed11:383.511:573.45:130.35:080.45:238:18Waxing Crescent13Wed
14Thu12:283.45:450.45:550.75:248:18Waxing Crescent14Thu
15Fri12:433.11:163.36:210.56:500.85:258:17First Quarter15Fri
16Sat1:282.92:023.27:040.67:571.05:268:17First Quarter16Sat
17Sun2:122.72:473.17:530.79:101.05:278:16First Quarter17Sun
18Mon2:572.53:353.18:460.710:150.95:288:15First Quarter18Mon
19Tue3:492.44:293.19:410.711:080.85:288:14Waxing Gibbous19Tue
20Wed4:482.45:243.110:340.611:550.75:298:14Waxing Gibbous20Wed
21Thu5:452.66:123.311:240.55:308:13Waxing Gibbous21Thu
22Fri6:332.76:563.512:390.512:110.45:318:12Waxing Gibbous22Fri
23Sat7:172.97:373.61:220.412:560.35:328:11Full Moon23Sat
24Sun8:003.18:193.82:060.21:420.25:338:10Full Moon24Sun
25Mon8:433.39:023.92:470.12:290.15:348:09Full Moon25Mon
26Tue9:283.59:463.93:260.03:150.05:358:08Full Moon26Tue
27Wed10:143.610:323.94:01-0.14:010.15:368:07Waning Gibbous27Wed
28Thu11:023.711:223.84:36-0.14:470.15:378:06Waning Gibbous28Thu
29Fri11:533.85:13-0.15:370.35:388:05Waning Gibbous29Fri
30Sat12:143.612:473.85:540.06:360.55:398:04Third Quarter30Sat
31Sun1:093.41:413.96:420.17:560.65:408:03Third Quarter31Sun
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 1:09 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 91% 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 Gibbous (91% 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