Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Friday, July 10, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 57m at 2:57 am (1.0 ft)
Next high tide : 8:08 am (5.0 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:43 am
Moon phase : Waning Crescent (20% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Jul 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat6:505.17:255.71:311.01:350.65:388:34Third Quarter1Sat
2Sun7:555.08:245.92:391.02:320.65:398:33Waning Crescent2Sun
3Mon8:594.99:236.13:460.93:340.65:398:33Waning Crescent3Mon
4Tue10:015.010:216.34:500.74:370.65:408:33Waning Crescent4Tue
5Wed10:595.011:176.45:500.55:390.55:408:33New Moon5Wed
6Thu11:555.16:470.36:380.45:418:33New Moon6Thu
7Fri12:126.512:515.27:410.27:350.45:428:32New Moon7Fri
8Sat1:076.51:465.38:330.18:310.35:428:32Waxing Crescent8Sat
9Sun2:026.42:415.49:230.19:250.45:438:32Waxing Crescent9Sun
10Mon2:576.23:365.510:120.110:200.45:448:31Waxing Crescent10Mon
11Tue3:526.04:315.611:000.111:160.65:448:31First Quarter11Tue
12Wed4:475.85:265.711:490.25:458:30First Quarter12Wed
13Thu5:425.66:215.812:120.712:370.35:468:30First Quarter13Thu
14Fri6:395.37:165.91:100.81:260.45:468:29First Quarter14Fri
15Sat7:365.28:105.92:070.82:150.55:478:29Waxing Gibbous15Sat
16Sun8:325.19:026.03:040.83:050.65:488:28Waxing Gibbous16Sun
17Mon9:265.09:526.03:590.73:550.65:498:27Waxing Gibbous17Mon
18Tue10:175.010:386.04:520.64:440.75:498:27Waxing Gibbous18Tue
19Wed11:045.011:226.05:410.55:310.75:508:26Full Moon19Wed
20Thu11:495.06:270.56:150.75:518:25Full Moon20Thu
21Fri12:026.012:315.07:090.56:580.75:528:25Full Moon21Fri
22Sat12:405.91:105.07:490.57:380.75:538:24Full Moon22Sat
23Sun1:165.91:465.08:260.58:160.75:548:23Waning Gibbous23Sun
24Mon1:495.82:205.09:000.58:530.85:548:22Waning Gibbous24Mon
25Tue2:225.82:525.29:330.59:310.85:558:21Waning Gibbous25Tue
26Wed2:565.73:275.310:040.510:120.95:568:21Waning Gibbous26Wed
27Thu3:365.64:065.510:360.511:011.05:578:20Third Quarter27Thu
28Fri4:215.54:525.711:140.611:591.15:588:19Third Quarter28Fri
29Sat5:145.25:465.812:000.65:598:18Third Quarter29Sat
30Sun6:175.06:475.81:071.212:560.76:008:17Third Quarter30Sun
31Mon7:274.97:555.92:181.22:020.76:018:16Waning Crescent31Mon
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 5:32 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 20% 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 Crescent (20% 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