Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Tuesday, July 7, 2026
The tide is currently falling in New Castle, DE.
Next low tide (tomorrow) : in 1h 16m at 12:38 am (1.0 ft)
Next high tide (tomorrow) : 5:54 am (5.3 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:41 am
Moon phase : Third Quarter (52% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Sep 1992

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue3:136.03:426.310:090.210:470.56:307:33Waxing Crescent1Tue
2Wed4:075.74:366.210:580.411:420.76:317:31First Quarter2Wed
3Thu5:035.45:326.011:480.66:327:30First Quarter3Thu
4Fri6:015.26:305.912:390.912:410.86:337:28First Quarter4Fri
5Sat7:015.17:305.81:360.91:360.96:347:27First Quarter5Sat
6Sun8:015.18:275.92:320.92:320.96:357:25Waxing Gibbous6Sun
7Mon8:575.29:215.93:250.83:260.86:367:23Waxing Gibbous7Mon
8Tue9:485.310:096.04:160.74:180.76:377:22Waxing Gibbous8Tue
9Wed10:365.510:546.05:030.65:080.66:387:20Waxing Gibbous9Wed
10Thu11:195.611:355.95:470.55:540.66:397:18Full Moon10Thu
11Fri11:595.66:270.56:380.66:407:17Full Moon11Fri
12Sat12:135.912:355.67:050.57:200.66:407:15Full Moon12Sat
13Sun12:495.71:085.77:400.58:010.76:417:14Full Moon13Sun
14Mon1:225.61:375.78:120.68:410.86:427:12Waning Gibbous14Mon
15Tue1:555.52:065.88:430.69:210.96:437:10Waning Gibbous15Tue
16Wed2:295.42:395.99:130.710:041.06:447:09Waning Gibbous16Wed
17Thu3:085.33:195.99:480.710:531.16:457:07Waning Gibbous17Thu
18Fri3:555.14:095.910:340.811:511.26:467:05Third Quarter18Fri
19Sat4:525.05:095.911:320.96:477:04Third Quarter19Sat
20Sun6:005.06:205.912:551.212:420.96:487:02Third Quarter20Sun
21Mon7:115.17:345.91:581.11:550.86:497:00Waning Crescent21Mon
22Tue8:185.38:426.13:000.93:030.76:506:59Waning Crescent22Tue
23Wed9:205.69:436.33:580.64:070.56:516:57Waning Crescent23Wed
24Thu10:166.010:396.44:530.45:070.26:526:55Waning Crescent24Thu
25Fri11:096.311:316.45:450.26:040.16:536:54New Moon25Fri
26Sat11:586.56:340.06:580.06:546:52New Moon26Sat
27Sun12:216.412:476.67:210.07:500.06:556:51New Moon27Sun
28Mon1:096.21:346.68:070.18:410.26:556:49Waxing Crescent28Mon
29Tue1:596.02:236.58:530.29:320.36:566:47Waxing Crescent29Tue
30Wed2:495.73:126.39:390.410:230.66:576:46Waxing Crescent30Wed
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 3:16 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 neap phase. Tonight's moon is 52% 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 minimum.

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 (52% illuminated). This places New Castle, DE in a neap tide cycle, so tidal ranges are near their weekly minimum 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