Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Wednesday, July 29, 2026
The tide is currently rising in New Castle, DE.
Next low tide (tomorrow) : 7:44 am (0.5 ft)
Next high tide (tomorrow) : in 5h 35m at 12:35 am (6.0 ft)
Sunset today : 8:18 pm
Sunrise tomorrow : 5:59 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Jul 2082

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed3:416.04:245.511:030.411:170.75:388:34First Quarter1Wed
2Thu4:365.85:195.711:510.45:398:33First Quarter2Thu
3Fri5:355.66:175.812:180.712:420.45:398:33First Quarter3Fri
4Sat6:385.47:186.01:220.81:360.45:408:33First Quarter4Sat
5Sun7:435.28:196.12:270.82:330.55:408:33Waxing Gibbous5Sun
6Mon8:475.19:186.23:310.73:320.55:418:33Waxing Gibbous6Mon
7Tue9:485.110:156.34:330.64:300.55:428:32Waxing Gibbous7Tue
8Wed10:455.111:086.35:310.55:270.55:428:32Full Moon8Wed
9Thu11:395.111:596.36:260.46:210.65:438:32Full Moon9Thu
10Fri12:305.17:170.37:120.65:448:31Full Moon10Fri
11Sat12:476.21:195.28:040.38:000.75:448:31Full Moon11Sat
12Sun1:336.12:065.28:480.38:450.75:458:30Waning Gibbous12Sun
13Mon2:185.92:535.29:290.49:300.95:468:30Waning Gibbous13Mon
14Tue3:025.83:385.210:090.510:151.05:478:29Waning Gibbous14Tue
15Wed3:475.64:245.210:470.511:011.05:478:29Waning Gibbous15Wed
16Thu4:335.45:105.311:260.611:511.15:488:28Third Quarter16Thu
17Fri5:225.25:585.312:070.65:498:27Third Quarter17Fri
18Sat6:155.06:485.412:441.212:500.75:508:27Third Quarter18Sat
19Sun7:124.87:405.51:401.11:370.75:508:26Third Quarter19Sun
20Mon8:094.78:335.62:381.12:280.85:518:25Waning Crescent20Mon
21Tue9:054.79:245.73:351.03:220.85:528:25Waning Crescent21Tue
22Wed9:574.710:125.84:310.84:160.75:538:24Waning Crescent22Wed
23Thu10:464.810:586.05:240.75:090.75:548:23Waning Crescent23Thu
24Fri11:314.911:416.16:130.56:000.55:558:22New Moon24Fri
25Sat12:145.17:000.46:500.45:568:21New Moon25Sat
26Sun12:246.212:575.27:440.37:380.45:568:20New Moon26Sun
27Mon1:076.21:395.48:270.38:270.35:578:20Waxing Crescent27Mon
28Tue1:516.22:245.69:090.29:160.45:588:19Waxing Crescent28Tue
29Wed2:376.23:115.89:520.210:090.55:598:18Waxing Crescent29Wed
30Thu3:276.04:025.910:370.311:050.66:008:17Waxing Crescent30Thu
31Fri4:205.84:566.011:250.46:018:16First Quarter31Fri
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 4:09 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 100% 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 Full Moon (100% 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