Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Friday, July 31, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 6h 09m at 8:20 am (0.5 ft)
Next high tide : 1:37 pm (5.2 ft)
Sunset today : 8:16 pm
Sunrise tomorrow : 6:00 am
Moon phase : Waning Gibbous (96% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Dec 2082

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue8:405.29:004.82:490.13:250.27:044:38Waxing Gibbous1Tue
2Wed9:255.39:464.73:330.04:160.17:054:38Waxing Gibbous2Wed
3Thu10:065.410:304.64:160.05:030.17:064:38Full Moon3Thu
4Fri10:455.411:114.54:580.15:490.17:074:37Full Moon4Fri
5Sat11:215.311:504.45:390.16:330.17:084:37Full Moon5Sat
6Sun11:555.36:180.17:150.17:094:37Full Moon6Sun
7Mon12:284.312:295.36:560.17:550.27:094:37Waning Gibbous7Mon
8Tue1:044.31:055.37:350.18:360.27:104:37Waning Gibbous8Tue
9Wed1:434.31:455.38:170.19:180.27:114:37Waning Gibbous9Wed
10Thu2:244.42:315.39:030.110:020.27:124:38Waning Gibbous10Thu
11Fri3:124.53:245.29:560.110:480.17:134:38Third Quarter11Fri
12Sat4:054.74:225.110:550.211:390.07:134:38Third Quarter12Sat
13Sun5:044.95:245.012:000.27:144:38Third Quarter13Sun
14Mon6:045.16:294.912:320.01:050.17:154:38Third Quarter14Mon
15Tue7:055.37:324.91:27-0.12:110.07:164:39Waning Crescent15Tue
16Wed8:045.68:334.92:24-0.23:14-0.17:164:39Waning Crescent16Wed
17Thu9:015.79:304.83:20-0.34:15-0.27:174:39Waning Crescent17Thu
18Fri9:555.810:254.84:17-0.35:13-0.37:174:40New Moon18Fri
19Sat10:475.911:184.85:12-0.46:07-0.47:184:40New Moon19Sat
20Sun11:395.86:05-0.36:59-0.47:194:40New Moon20Sun
21Mon12:104.712:305.76:57-0.37:49-0.37:194:41Waxing Crescent21Mon
22Tue1:024.61:215.57:47-0.28:37-0.27:204:41Waxing Crescent22Tue
23Wed1:544.62:125.38:36-0.19:24-0.27:204:42Waxing Crescent23Wed
24Thu2:454.53:035.19:260.110:10-0.17:204:43Waxing Crescent24Thu
25Fri3:374.53:544.910:180.210:550.07:214:43First Quarter25Fri
26Sat4:304.54:484.711:110.311:410.07:214:44First Quarter26Sat
27Sun5:234.55:434.512:050.37:214:45First Quarter27Sun
28Mon6:174.66:384.412:270.01:010.37:224:45First Quarter28Mon
29Tue7:104.77:334.31:150.01:570.27:224:46Waxing Gibbous29Tue
30Wed8:014.88:264.32:030.02:520.17:224:47Waxing Gibbous30Wed
31Thu8:504.99:134.32:510.03:460.07:224:48Waxing Gibbous31Thu
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8551201)

Common Questions About New Castle, DE Tides

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What time does the tide turn (slack tide) in New Castle, DE today?

Slack tide in New Castle, DE is approximately 10:58 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 New Castle, DE?

New Castle, DE is currently in a spring phase. Tonight's moon is 96% 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 New Castle, DE 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 New Castle, DE?

Tide predictions for New Castle, DE 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 New Castle, DE?

Tide data for New Castle, DE is sourced from NOAA Station #8551201. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8551201.

What is the moon phase in New Castle, DE tonight?

Tonight the moon over New Castle, DE is Waning Gibbous (96% illuminated). This places New Castle, DE 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