Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Sunday, July 12, 2026
The tide is currently falling in New Castle, DE.
Next low tide (tomorrow) : in 7h 20m at 6:07 am (0.4 ft)
Next high tide (tomorrow) : 11:16 am (5.2 ft)
Sunset today : 8:30 pm
Sunrise tomorrow : 5:45 am
Moon phase : Waning Crescent (5% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Oct 2065

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu12:346.012:556.47:330.28:090.26:596:44New Moon1Thu
2Fri1:205.91:416.58:180.39:020.47:006:42Waxing Crescent2Fri
3Sat2:105.72:316.49:050.49:570.57:016:40Waxing Crescent3Sat
4Sun3:045.53:266.39:570.510:550.77:026:39Waxing Crescent4Sun
5Mon4:035.24:276.110:540.711:550.87:036:37First Quarter5Mon
6Tue5:085.15:345.911:560.87:046:36First Quarter6Tue
7Wed6:155.06:435.812:560.91:000.97:056:34First Quarter7Wed
8Thu7:225.17:505.81:560.82:030.87:066:33Waxing Gibbous8Thu
9Fri8:255.38:515.82:540.73:040.77:076:31Waxing Gibbous9Fri
10Sat9:225.59:455.93:480.54:010.67:086:29Waxing Gibbous10Sat
11Sun10:135.710:335.94:380.44:550.57:096:28Waxing Gibbous11Sun
12Mon10:595.911:175.85:240.35:450.47:106:26Full Moon12Mon
13Tue11:416.011:595.76:060.26:320.47:116:25Full Moon13Tue
14Wed12:216.06:460.37:160.47:126:23Full Moon14Wed
15Thu12:395.612:585.97:230.47:580.57:136:22Full Moon15Thu
16Fri1:195.41:345.97:580.58:390.67:146:21Waning Gibbous16Fri
17Sat1:585.22:085.88:310.69:190.77:156:19Waning Gibbous17Sat
18Sun2:385.02:435.79:040.710:000.87:166:18Waning Gibbous18Sun
19Mon3:194.93:195.69:380.810:430.97:176:16Waning Gibbous19Mon
20Tue4:034.84:025.510:190.811:301.07:186:15Third Quarter20Tue
21Wed4:514.74:525.511:080.87:196:13Third Quarter21Wed
22Thu5:444.75:495.512:211.012:060.87:206:12Third Quarter22Thu
23Fri6:414.86:525.51:140.91:080.87:216:11Third Quarter23Fri
24Sat7:375.07:535.52:070.82:110.77:226:09Waning Crescent24Sat
25Sun8:325.38:505.62:590.63:120.57:236:08Waning Crescent25Sun
26Mon9:235.69:435.73:500.44:120.37:246:07Waning Crescent26Mon
27Tue10:125.910:345.74:400.25:100.27:266:06Waning Crescent27Tue
28Wed10:596.211:235.75:280.16:060.17:276:04New Moon28Wed
29Thu11:456.46:170.17:010.07:286:03New Moon29Thu
30Fri12:135.612:336.57:060.07:550.07:296:02New Moon30Fri
31Sat1:035.51:226.47:560.18:490.17:306:01Waxing Crescent31Sat
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 8:41 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 spring phase. Tonight's moon is 5% 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 (5% 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