Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Saturday, July 25, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 4h 01m at 3:48 pm (0.7 ft)
Next high tide : 9:49 pm (5.9 ft)
Sunset today : 8:22 pm
Sunrise tomorrow : 5:55 am
Moon phase : Waxing Gibbous (86% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Jul 2078

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri4:195.95:015.411:400.411:560.85:388:34Third Quarter1Fri
2Sat5:175.75:595.612:300.45:398:33Third Quarter2Sat
3Sun6:195.66:595.81:000.81:230.45:398:33Third Quarter3Sun
4Mon7:235.48:006.02:050.82:180.45:408:33Waning Crescent4Mon
5Tue8:285.38:596.23:110.73:160.45:408:33Waning Crescent5Tue
6Wed9:305.39:576.44:140.64:130.45:418:33Waning Crescent6Wed
7Thu10:285.210:516.45:150.45:110.45:428:32Waning Crescent7Thu
8Fri11:245.211:436.46:120.36:060.55:428:32New Moon8Fri
9Sat12:175.27:060.26:590.55:438:32New Moon9Sat
10Sun12:346.41:095.27:560.27:500.65:448:31New Moon10Sun
11Mon1:236.21:595.28:430.38:390.65:448:31Waxing Crescent11Mon
12Tue2:116.12:495.29:290.39:260.85:458:30Waxing Crescent12Tue
13Wed2:595.93:385.210:120.410:140.95:468:30Waxing Crescent13Wed
14Thu3:475.74:275.210:550.511:021.05:478:29Waxing Crescent14Thu
15Fri4:355.55:165.311:370.611:531.15:478:29First Quarter15Fri
16Sat5:265.36:065.312:200.65:488:28First Quarter16Sat
17Sun6:195.16:575.412:461.11:040.75:498:27First Quarter17Sun
18Mon7:155.07:495.51:411.11:500.75:508:27First Quarter18Mon
19Tue8:114.98:405.62:371.02:380.75:508:26Waxing Gibbous19Tue
20Wed9:064.89:295.73:330.93:280.75:518:25Waxing Gibbous20Wed
21Thu9:574.810:165.84:280.84:180.75:528:25Waxing Gibbous21Thu
22Fri10:464.810:595.95:200.65:080.75:538:24Waxing Gibbous22Fri
23Sat11:314.911:416.06:090.55:570.65:548:23Full Moon23Sat
24Sun12:134.96:560.56:440.65:558:22Full Moon24Sun
25Mon12:216.112:535.07:400.47:300.55:568:21Full Moon25Mon
26Tue1:016.11:335.28:220.48:160.55:568:20Full Moon26Tue
27Wed1:426.22:155.39:040.39:030.55:578:20Waning Gibbous27Wed
28Thu2:266.12:595.59:450.39:520.55:588:19Waning Gibbous28Thu
29Fri3:136.13:465.710:280.310:460.65:598:18Waning Gibbous29Fri
30Sat4:045.94:385.811:140.411:450.76:008:17Third Quarter30Sat
31Sun5:005.75:355.912:030.46:018:16Third Quarter31Sun
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 6:48 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 New Castle, DE?

New Castle, DE is currently in a spring phase. Tonight's moon is 86% 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 Waxing Gibbous (86% 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