Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Monday, July 6, 2026
The tide is currently rising in New Castle, DE.
Next low tide : 11:13 am (0.5 ft)
Next high tide : in 2h 47m at 4:05 am (5.7 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 - Apr 1996

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon9:445.310:095.44:040.14:350.15:456:26Waxing Gibbous1Mon
2Tue10:265.310:475.54:540.05:180.15:436:27Full Moon2Tue
3Wed11:065.311:235.65:41-0.15:590.15:426:28Full Moon3Wed
4Thu11:445.311:595.86:26-0.16:390.15:406:29Full Moon4Thu
5Fri12:245.37:12-0.17:190.15:396:30Full Moon5Fri
6Sat12:355.91:055.37:570.08:010.25:376:31Waning Gibbous6Sat
7Sun1:165.92:525.29:450.19:460.36:357:32Waning Gibbous7Sun
8Mon3:025.93:445.210:370.210:380.46:347:33Waning Gibbous8Mon
9Tue3:565.84:435.111:330.311:370.56:327:34Third Quarter9Tue
10Wed4:575.75:475.112:320.46:317:35Third Quarter10Wed
11Thu6:065.66:555.212:420.51:330.46:297:36Third Quarter11Thu
12Fri7:175.68:005.31:470.52:330.36:287:37Third Quarter12Fri
13Sat8:245.69:025.62:510.43:310.26:267:38Waning Crescent13Sat
14Sun9:265.79:585.93:530.24:260.06:257:39Waning Crescent14Sun
15Mon10:215.810:496.14:510.05:18-0.16:237:40Waning Crescent15Mon
16Tue11:125.811:376.25:46-0.26:07-0.16:227:41New Moon16Tue
17Wed12:005.86:37-0.26:53-0.16:207:42New Moon17Wed
18Thu12:226.212:465.77:25-0.27:370.06:197:43New Moon18Thu
19Fri1:056.21:315.68:11-0.18:180.16:187:44New Moon19Fri
20Sat1:476.12:165.48:560.08:580.36:167:45Waxing Crescent20Sat
21Sun2:285.93:015.39:390.29:370.56:157:46Waxing Crescent21Sun
22Mon3:105.83:485.110:230.310:180.66:137:47Waxing Crescent22Mon
23Tue3:535.64:365.011:070.411:020.76:127:48Waxing Crescent23Tue
24Wed4:405.55:275.011:540.511:510.86:117:49First Quarter24Wed
25Thu5:325.36:214.912:430.66:097:50First Quarter25Thu
26Fri6:285.27:165.012:450.81:330.66:087:51First Quarter26Fri
27Sat7:265.28:095.11:420.82:250.56:077:52First Quarter27Sat
28Sun8:235.29:005.32:400.73:160.56:057:53Waxing Gibbous28Sun
29Mon9:165.29:475.53:370.64:050.46:047:54Waxing Gibbous29Mon
30Tue10:055.310:315.74:320.44:530.36:037:55Waxing Gibbous30Tue
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 7:39 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 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