Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Saturday, July 11, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 29m at 3:53 pm (0.6 ft)
Next high tide : 9:40 pm (6.2 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:44 am
Moon phase : Waning Crescent (11% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Nov 1987

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun7:385.38:025.72:070.42:230.56:305:01Waxing Gibbous1Sun
2Mon8:355.68:575.83:000.23:220.36:315:00Waxing Gibbous2Mon
3Tue9:265.99:475.83:510.04:180.16:324:59Waxing Gibbous3Tue
4Wed10:146.110:345.74:38-0.15:110.06:334:57Full Moon4Wed
5Thu10:586.211:195.55:23-0.16:000.06:344:56Full Moon5Thu
6Fri11:416.16:060.06:480.16:364:55Full Moon6Fri
7Sat12:045.312:226.06:470.27:330.26:374:54Waning Gibbous7Sat
8Sun12:485.11:035.97:260.38:180.46:384:53Waning Gibbous8Sun
9Mon1:344.91:445.78:050.59:020.56:394:52Waning Gibbous9Mon
10Tue2:204.72:285.58:450.69:470.66:404:51Waning Gibbous10Tue
11Wed3:094.63:155.49:280.710:330.76:414:50Third Quarter11Wed
12Thu4:004.54:075.210:170.811:210.76:424:49Third Quarter12Thu
13Fri4:534.55:025.211:100.86:444:49Third Quarter13Fri
14Sat5:484.65:595.112:100.612:070.76:454:48Third Quarter14Sat
15Sun6:414.76:555.112:590.51:050.76:464:47Waning Crescent15Sun
16Mon7:324.97:475.11:470.42:020.56:474:46Waning Crescent16Mon
17Tue8:195.18:365.12:340.32:580.46:484:45Waning Crescent17Tue
18Wed9:025.39:225.03:190.23:520.36:494:45Waning Crescent18Wed
19Thu9:435.510:065.04:040.24:450.26:504:44New Moon19Thu
20Fri10:235.710:494.94:480.25:360.26:514:43New Moon20Fri
21Sat11:035.811:334.85:320.16:270.26:534:43New Moon21Sat
22Sun11:455.96:170.27:170.26:544:42New Moon22Sun
23Mon12:194.712:325.97:050.28:090.26:554:41Waxing Crescent23Mon
24Tue1:094.61:235.87:560.29:020.36:564:41Waxing Crescent24Tue
25Wed2:044.62:215.68:530.39:570.36:574:40Waxing Crescent25Wed
26Thu3:044.63:245.59:540.410:530.36:584:40First Quarter26Thu
27Fri4:094.64:315.310:570.411:490.26:594:40First Quarter27Fri
28Sat5:144.85:385.312:010.37:004:39First Quarter28Sat
29Sun6:185.06:415.212:450.11:040.37:014:39First Quarter29Sun
30Mon7:185.27:405.21:390.02:060.17:024:39Waxing 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 6:46 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 11% 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 (11% 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