Tides Today & Tomorrow in New Castle, DE

TIDE TIMES for Thursday, August 6, 2026
The tide is currently falling in New Castle, DE.
Next low tide (tomorrow) : in 3h 32m at 1:34 am (1.2 ft)
Next high tide (tomorrow) : 6:40 am (5.0 ft)
Sunset today : 8:09 pm
Sunrise tomorrow : 6:06 am
Moon phase : Third Quarter (44% illuminated)
Tide Station Location : Station #8551201
Common Questions About Tides

New Castle, DE Tides - Mar 1960

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Tue1:505.42:135.38:47-0.39:05-0.26:345:54Waxing Crescent1Tue
2Wed2:355.33:005.19:33-0.19:46-0.16:335:55Waxing Crescent2Wed
3Thu3:205.13:494.910:200.010:280.16:315:56First Quarter3Thu
4Fri4:085.04:414.711:090.211:150.26:305:57First Quarter4Fri
5Sat5:004.95:364.612:020.36:285:58First Quarter5Sat
6Sun5:554.96:334.512:050.212:560.36:275:59First Quarter6Sun
7Mon6:524.97:294.612:590.21:510.26:256:00Waxing Gibbous7Mon
8Tue7:475.08:224.71:540.22:440.16:246:01Waxing Gibbous8Tue
9Wed8:395.19:104.82:490.13:360.06:226:02Waxing Gibbous9Wed
10Thu9:275.29:554.93:42-0.14:24-0.16:216:03Waxing Gibbous10Thu
11Fri10:115.310:365.14:32-0.25:10-0.16:196:05Full Moon11Fri
12Sat10:515.311:145.25:20-0.35:53-0.26:176:06Full Moon12Sat
13Sun11:315.411:515.46:07-0.46:34-0.26:166:07Full Moon13Sun
14Mon12:105.46:52-0.47:15-0.26:146:08Full Moon14Mon
15Tue12:285.512:515.47:38-0.37:55-0.16:136:09Waning Gibbous15Tue
16Wed1:085.61:365.38:25-0.28:38-0.16:116:10Waning Gibbous16Wed
17Thu1:535.72:255.29:16-0.19:250.06:096:11Waning Gibbous17Thu
18Fri2:435.73:215.110:120.110:200.26:086:12Third Quarter18Fri
19Sat3:405.64:245.011:120.211:200.36:066:13Third Quarter19Sat
20Sun4:455.55:314.912:140.36:056:14Third Quarter20Sun
21Mon5:555.46:395.012:250.31:170.26:036:15Third Quarter21Mon
22Tue7:055.47:445.11:300.32:180.16:016:16Waning Crescent22Tue
23Wed8:105.58:435.42:320.13:160.06:006:17Waning Crescent23Wed
24Thu9:085.79:375.63:32-0.14:10-0.25:586:18Waning Crescent24Thu
25Fri10:015.710:275.74:27-0.25:00-0.35:576:19New Moon25Fri
26Sat10:495.811:135.85:19-0.35:47-0.35:556:20New Moon26Sat
27Sun11:355.711:565.86:08-0.46:30-0.35:536:21New Moon27Sun
28Mon12:185.66:54-0.37:11-0.25:526:22New Moon28Mon
29Tue12:385.81:015.57:38-0.27:500.05:506:23Waxing Crescent29Tue
30Wed1:195.71:445.38:210.08:280.25:496:24Waxing Crescent30Wed
31Thu1:595.62:295.19:030.19:050.35:476:25Waxing Crescent31Thu
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 4:07 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 neap phase. Tonight's moon is 44% 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 minimum.

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 (44% illuminated). This places New Castle, DE in a neap tide cycle, so tidal ranges are near their weekly minimum 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