Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Thursday, July 9, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 1h 36m at 1:44 pm (0.6 ft)
Next high tide : 7:34 pm (5.9 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:43 am
Moon phase : Waning Crescent (30% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Jul 2061

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri11:404.911:526.06:160.56:040.75:388:34Full Moon1Fri
2Sat12:234.87:010.46:460.75:398:33Full Moon2Sat
3Sun12:305.91:024.87:430.47:270.75:398:33Full Moon3Sun
4Mon1:055.91:394.88:230.58:070.75:408:33Full Moon4Mon
5Tue1:395.92:154.99:010.58:460.75:408:33Waning Gibbous5Tue
6Wed2:155.92:515.09:380.59:270.75:418:32Waning Gibbous6Wed
7Thu2:545.93:315.210:160.510:120.75:428:32Waning Gibbous7Thu
8Fri3:375.84:155.410:550.511:040.85:428:32Third Quarter8Fri
9Sat4:275.75:055.611:370.55:438:31Third Quarter9Sat
10Sun5:225.66:015.712:040.912:250.55:448:31Third Quarter10Sun
11Mon6:255.47:015.91:100.91:180.55:448:31Third Quarter11Mon
12Tue7:315.28:046.02:180.92:170.55:458:30Waning Crescent12Tue
13Wed8:385.19:076.23:260.93:200.65:468:30Waning Crescent13Wed
14Thu9:425.110:076.34:310.74:230.65:478:29Waning Crescent14Thu
15Fri10:435.111:046.45:320.55:240.55:478:29New Moon15Fri
16Sat11:405.211:596.46:290.46:230.55:488:28New Moon16Sat
17Sun12:355.37:230.37:180.45:498:27New Moon17Sun
18Mon12:526.41:285.38:130.28:110.55:508:27New Moon18Mon
19Tue1:446.32:205.49:010.29:020.55:508:26Waxing Crescent19Tue
20Wed2:346.13:115.49:470.29:520.75:518:25Waxing Crescent20Wed
21Thu3:245.94:015.410:310.310:420.85:528:24Waxing Crescent21Thu
22Fri4:135.74:515.511:140.411:330.95:538:24First Quarter22Fri
23Sat5:045.55:425.511:580.55:548:23First Quarter23Sat
24Sun5:565.26:335.612:261.012:420.65:558:22First Quarter24Sun
25Mon6:515.17:265.61:211.01:280.75:568:21First Quarter25Mon
26Tue7:484.98:185.72:161.02:160.75:568:20Waxing Gibbous26Tue
27Wed8:434.99:095.83:120.93:060.85:578:19Waxing Gibbous27Wed
28Thu9:374.99:585.94:060.83:570.85:588:18Waxing Gibbous28Thu
29Fri10:274.910:435.94:580.74:470.75:598:17Waxing Gibbous29Fri
30Sat11:134.911:266.05:470.65:350.76:008:16Full Moon30Sat
31Sun11:555.06:320.56:210.66:018:15Full Moon31Sun
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 4:39 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 transitional phase. Tonight's moon is 30% 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 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 Crescent (30% illuminated). This places New Castle, DE 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