Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Monday, June 29, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 6h 15m at 6:38 pm (0.7 ft)
Next high tide (tomorrow) : 12:22 am (6.0 ft)
Sunset today : 8:34 pm
Sunrise tomorrow : 5:37 am
Moon phase : Full Moon (100% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Apr 2005

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri3:475.54:424.611:330.711:270.75:456:26Third Quarter1Fri
2Sat4:585.45:544.612:380.75:446:27Third Quarter2Sat
3Sun7:155.38:044.812:390.72:410.66:427:28Third Quarter3Sun
4Mon8:285.49:085.12:480.63:410.46:407:29Waning Crescent4Mon
5Tue9:335.610:055.43:530.34:370.26:397:30Waning Crescent5Tue
6Wed10:295.710:575.74:530.15:280.06:377:31Waning Crescent6Wed
7Thu11:205.811:456.05:48-0.16:16-0.16:367:32New Moon7Thu
8Fri12:085.86:40-0.27:01-0.26:347:33New Moon8Fri
9Sat12:306.112:535.77:29-0.27:43-0.16:337:34New Moon9Sat
10Sun1:136.11:375.58:16-0.18:230.16:317:35Waxing Crescent10Sun
11Mon1:546.02:225.39:010.09:020.36:307:36Waxing Crescent11Mon
12Tue2:355.93:075.19:460.29:400.56:287:37Waxing Crescent12Tue
13Wed3:175.73:554.910:310.410:200.76:277:38Waxing Crescent13Wed
14Thu4:015.64:454.711:180.611:040.86:257:39First Quarter14Thu
15Fri4:495.45:394.612:080.76:247:40First Quarter15Fri
16Sat5:445.26:354.612:590.86:227:41First Quarter16Sat
17Sun6:435.17:334.712:511.01:530.86:217:42First Quarter17Sun
18Mon7:445.18:274.81:500.92:450.76:197:43First Quarter18Mon
19Tue8:415.19:185.02:490.83:360.66:187:44Waxing Gibbous19Tue
20Wed9:335.210:045.23:460.74:230.56:167:45Waxing Gibbous20Wed
21Thu10:205.210:465.44:400.55:080.46:157:46Waxing Gibbous21Thu
22Fri11:045.311:245.65:310.45:510.46:147:47Full Moon22Fri
23Sat11:455.26:210.36:320.46:127:48Full Moon23Sat
24Sun12:015.812:255.27:080.27:110.46:117:49Full Moon24Sun
25Mon12:376.01:065.17:550.27:510.56:107:50Full Moon25Mon
26Tue1:146.11:495.08:430.38:330.66:087:51Waning Gibbous26Tue
27Wed1:566.12:374.99:330.49:200.66:077:52Waning Gibbous27Wed
28Thu2:446.03:314.910:260.510:140.86:067:53Waning Gibbous28Thu
29Fri3:395.94:324.811:220.611:160.86:047:54Third Quarter29Fri
30Sat4:435.75:384.812:220.76:037:55Third Quarter30Sat
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 9:30 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 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