Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Saturday, August 8, 2026
The tide is currently falling in New Castle, DE.
Next low tide (tomorrow) : in 4h 20m at 3:50 am (1.0 ft)
Next high tide (tomorrow) : 9:02 am (5.0 ft)
Sunset today : 8:07 pm
Sunrise tomorrow : 6:08 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Nov 2099

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun1:594.712:585.67:300.68:350.86:315:00Waning Gibbous1Sun
2Mon1:374.61:375.68:060.79:210.96:324:59Waning Gibbous2Mon
3Tue2:214.62:255.68:520.710:120.96:334:58Waning Gibbous3Tue
4Wed3:134.63:215.69:480.711:080.96:344:56Third Quarter4Wed
5Thu4:144.64:275.510:540.76:354:55Third Quarter5Thu
6Fri5:204.85:385.512:050.812:040.76:364:54Third Quarter6Fri
7Sat6:265.06:475.61:020.61:110.56:384:53Waning Crescent7Sat
8Sun7:275.37:495.61:580.42:160.36:394:52Waning Crescent8Sun
9Mon8:245.78:475.72:510.13:170.16:404:51Waning Crescent9Mon
10Tue9:166.09:405.73:43-0.14:16-0.16:414:50Waning Crescent10Tue
11Wed10:076.310:315.64:34-0.25:12-0.26:424:49New Moon11Wed
12Thu10:556.411:215.55:23-0.26:06-0.26:434:49New Moon12Thu
13Fri11:436.36:11-0.16:59-0.16:444:48New Moon13Fri
14Sat12:115.312:316.26:580.07:500.06:454:47Waxing Crescent14Sat
15Sun1:025.11:206.07:460.28:400.26:474:46Waxing Crescent15Sun
16Mon1:544.92:115.78:340.49:310.36:484:45Waxing Crescent16Mon
17Tue2:484.73:045.59:240.510:210.56:494:45Waxing Crescent17Tue
18Wed3:434.64:005.310:170.711:120.56:504:44First Quarter18Wed
19Thu4:404.64:585.211:120.76:514:43First Quarter19Thu
20Fri5:374.65:555.112:030.512:080.76:524:43First Quarter20Fri
21Sat6:334.76:515.012:520.41:040.76:534:42First Quarter21Sat
22Sun7:264.97:445.01:400.31:590.66:544:41Waxing Gibbous22Sun
23Mon8:155.18:334.92:260.22:530.46:554:41Waxing Gibbous23Mon
24Tue9:015.29:204.93:100.23:440.36:564:40Waxing Gibbous24Tue
25Wed9:435.310:044.83:530.14:340.26:584:40Waxing Gibbous25Wed
26Thu10:215.410:454.64:350.25:220.26:594:40Full Moon26Thu
27Fri10:575.411:254.55:160.26:080.27:004:39Full Moon27Fri
28Sat11:315.45:560.26:530.27:014:39Full Moon28Sat
29Sun12:034.412:055.46:350.37:370.37:024:39Full Moon29Sun
30Mon12:414.412:435.47:160.38:210.37:034:38Waning Gibbous30Mon
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 6:26 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 transitional phase. Tonight's moon is 22% 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 Waning Crescent (22% 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