Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Tuesday, June 23, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 1h 22m at 1:43 am (0.8 ft)
Next high tide : 7:16 am (5.3 ft)
Sunset today : 8:33 pm
Sunrise tomorrow : 5:35 am
Moon phase : First Quarter (67% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Jul 2037

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed2:385.93:155.19:510.49:470.85:388:33Waning Gibbous1Wed
2Thu3:205.84:005.110:310.510:290.95:398:33Waning Gibbous2Thu
3Fri4:045.64:465.111:110.511:161.05:398:33Third Quarter3Fri
4Sat4:515.55:335.111:520.55:408:33Third Quarter4Sat
5Sun5:415.36:225.212:061.012:350.55:408:33Third Quarter5Sun
6Mon6:365.27:135.31:021.01:210.55:418:32Third Quarter6Mon
7Tue7:325.18:045.52:001.02:100.65:418:32Third Quarter7Tue
8Wed8:285.08:545.62:580.93:010.55:428:32Waning Crescent8Wed
9Thu9:225.09:435.83:570.83:540.55:438:31Waning Crescent9Thu
10Fri10:145.010:296.04:530.64:460.55:438:31Waning Crescent10Fri
11Sat11:035.111:156.25:470.55:390.45:448:31New Moon11Sat
12Sun11:515.26:390.36:310.45:458:30New Moon12Sun
13Mon12:016.312:385.37:290.27:230.35:468:30New Moon13Mon
14Tue12:486.41:265.48:170.18:140.35:468:29New Moon14Tue
15Wed1:376.42:165.59:050.19:070.35:478:29Waxing Crescent15Wed
16Thu2:286.43:085.69:530.110:010.35:488:28Waxing Crescent16Thu
17Fri3:226.24:035.710:430.110:570.45:498:27Waxing Crescent17Fri
18Sat4:196.15:005.811:340.111:560.55:498:27First Quarter18Sat
19Sun5:185.95:595.912:260.25:508:26First Quarter19Sun
20Mon6:205.76:596.012:570.61:200.35:518:25First Quarter20Mon
21Tue7:225.57:596.11:580.62:150.35:528:25Waxing Gibbous21Tue
22Wed8:235.48:566.22:590.63:090.35:538:24Waxing Gibbous22Wed
23Thu9:215.49:506.33:580.54:030.45:548:23Waxing Gibbous23Thu
24Fri10:155.410:406.34:540.44:560.45:548:22Waxing Gibbous24Fri
25Sat11:065.411:276.35:460.35:460.45:558:21Full Moon25Sat
26Sun11:535.46:350.36:330.55:568:20Full Moon26Sun
27Mon12:116.212:395.37:200.37:170.65:578:20Full Moon27Mon
28Tue12:526.11:225.38:020.37:590.65:588:19Full Moon28Tue
29Wed1:326.02:035.38:410.48:390.75:598:18Waning Gibbous29Wed
30Thu2:115.92:435.29:180.49:190.86:008:17Waning Gibbous30Thu
31Fri2:505.83:225.29:540.59:580.96:018:16Waning Gibbous31Fri
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 4:29 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 67% 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 First Quarter (67% 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