Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 57m at 11:13 am (0.5 ft)
Next high tide : 4:42 pm (5.5 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:41 am
Moon phase : Third Quarter (62% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Aug 1995

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue2:555.83:275.710:090.410:300.76:018:15Waxing Crescent1Tue
2Wed3:405.84:135.810:490.411:250.86:028:14First Quarter2Wed
3Thu4:335.65:085.911:370.56:038:13First Quarter3Thu
4Fri5:345.46:096.012:280.912:340.56:038:12First Quarter4Fri
5Sat6:425.37:166.01:340.91:380.66:048:11First Quarter5Sat
6Sun7:525.38:246.22:400.92:430.56:058:10Waxing Gibbous6Sun
7Mon8:595.49:276.33:440.73:480.56:068:09Waxing Gibbous7Mon
8Tue10:015.510:266.54:450.54:500.36:078:08Waxing Gibbous8Tue
9Wed10:585.711:216.65:420.35:480.26:088:06Full Moon9Wed
10Thu11:525.86:350.16:430.16:098:05Full Moon10Thu
11Fri12:136.612:435.97:250.07:350.16:108:04Full Moon11Fri
12Sat1:036.51:336.08:120.08:260.26:118:03Waning Gibbous12Sat
13Sun1:516.42:216.08:570.09:150.36:128:01Waning Gibbous13Sun
14Mon2:396.23:096.09:410.110:030.56:138:00Waning Gibbous14Mon
15Tue3:275.93:585.910:240.310:530.76:147:59Waning Gibbous15Tue
16Wed4:175.74:475.811:080.411:430.86:157:57Third Quarter16Wed
17Thu5:095.55:385.811:530.66:167:56Third Quarter17Thu
18Fri6:035.36:315.712:360.912:400.76:177:55Third Quarter18Fri
19Sat6:595.27:265.71:290.91:310.76:177:53Third Quarter19Sat
20Sun7:565.18:215.82:240.92:220.76:187:52Waning Crescent20Sun
21Mon8:515.29:135.83:170.83:150.76:197:50Waning Crescent21Mon
22Tue9:435.210:025.94:090.74:070.66:207:49Waning Crescent22Tue
23Wed10:305.310:466.04:590.54:570.56:217:48Waning Crescent23Wed
24Thu11:145.411:276.05:450.45:460.46:227:46New Moon24Thu
25Fri11:545.56:290.46:320.46:237:45New Moon25Fri
26Sat12:056.012:315.67:100.37:160.46:247:43New Moon26Sat
27Sun12:426.01:075.77:490.38:000.46:257:42New Moon27Sun
28Mon1:176.01:425.88:270.48:440.56:267:40Waxing Crescent28Mon
29Tue1:555.92:195.99:040.49:300.66:277:39Waxing Crescent29Tue
30Wed2:375.83:016.09:440.410:200.76:287:37Waxing Crescent30Wed
31Thu3:245.73:506.110:280.511:160.96:297:36First Quarter31Thu
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 1:57 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 62% 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 Third Quarter (62% 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