Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Monday, July 6, 2026
The tide is currently falling in New Castle, DE.
Next low tide : in 4h 12m at 11:35 pm (0.9 ft)
Next high tide (tomorrow) : 4:56 am (5.5 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 - Oct 2056

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun5:234.95:295.511:430.96:596:43Third Quarter1Sun
2Mon6:204.86:285.512:541.112:400.97:006:42Third Quarter2Mon
3Tue7:194.97:305.61:511.01:420.97:016:40Third Quarter3Tue
4Wed8:175.08:315.82:480.92:440.87:026:39Waning Crescent4Wed
5Thu9:115.29:265.93:420.73:450.67:036:37Waning Crescent5Thu
6Fri10:015.510:186.14:350.54:430.47:046:35Waning Crescent6Fri
7Sat10:485.811:066.25:240.35:380.27:056:34New Moon7Sat
8Sun11:346.111:546.36:120.16:320.17:066:32New Moon8Sun
9Mon12:196.36:590.07:240.07:076:31New Moon9Mon
10Tue12:416.21:056.47:450.08:170.07:086:29New Moon10Tue
11Wed1:306.11:536.58:320.19:100.17:096:28Waxing Crescent11Wed
12Thu2:225.92:446.49:200.210:050.37:106:26Waxing Crescent12Thu
13Fri3:175.63:396.310:120.311:020.47:116:25Waxing Crescent13Fri
14Sat4:165.44:396.111:070.57:126:23First Quarter14Sat
15Sun5:185.25:435.912:010.612:060.77:136:22First Quarter15Sun
16Mon6:245.26:495.81:010.61:070.77:146:20First Quarter16Mon
17Tue7:285.27:545.82:000.62:080.77:156:19Waxing Gibbous17Tue
18Wed8:295.38:535.82:570.53:070.67:166:17Waxing Gibbous18Wed
19Thu9:245.59:465.93:500.44:030.57:176:16Waxing Gibbous19Thu
20Fri10:155.710:345.94:400.24:560.47:186:15Waxing Gibbous20Fri
21Sat11:015.811:185.85:260.15:450.37:196:13Full Moon21Sat
22Sun11:435.96:090.16:310.37:206:12Full Moon22Sun
23Mon12:005.712:235.86:490.27:150.37:216:11Full Moon23Mon
24Tue12:405.61:005.87:260.37:570.47:226:09Full Moon24Tue
25Wed1:195.41:345.78:010.48:370.57:246:08Waning Gibbous25Wed
26Thu1:575.22:075.68:340.59:170.67:256:07Waning Gibbous26Thu
27Fri2:355.02:395.69:060.69:570.77:266:05Waning Gibbous27Fri
28Sat3:144.93:135.69:380.610:400.87:276:04Waning Gibbous28Sat
29Sun3:564.73:545.510:170.711:270.87:286:03Waning Gibbous29Sun
30Mon4:444.74:425.511:060.77:296:02Third Quarter30Mon
31Tue5:384.75:415.412:190.812:040.77:306:00Third Quarter31Tue
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 2:15 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