Tides Today & Tomorrow in Wilmington, DE

TIDE TIMES for Thursday, August 20, 2026
The tide is currently falling in Wilmington, DE.
Next low tide (tomorrow) : in 2h 44m at 1:56 am (1.2 ft)
Next high tide (tomorrow) : 7:20 am (5.0 ft)
Sunset today : 7:51 pm
Sunrise tomorrow : 6:19 am
Moon phase : First Quarter (55% illuminated)
Tide Station Location : Station #8550714
Common Questions About Tides

Wilmington, DE Tides - Dec 1937

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Wed10:405.711:015.05:01-0.25:42-0.17:034:38New Moon1Wed
2Thu11:205.711:434.95:43-0.16:26-0.17:044:38New Moon2Thu
3Fri11:585.66:230.07:08-0.17:054:38New Moon3Fri
4Sat12:234.712:345.57:010.07:480.07:064:37New Moon4Sat
5Sun1:024.61:085.47:380.18:270.17:074:37Waxing Crescent5Sun
6Mon1:394.61:425.38:140.19:040.17:084:37Waxing Crescent6Mon
7Tue2:154.52:185.38:510.19:420.27:094:37Waxing Crescent7Tue
8Wed2:534.62:575.39:310.210:210.17:104:37Waxing Crescent8Wed
9Thu3:344.63:435.210:180.211:040.17:114:37First Quarter9Thu
10Fri4:204.74:365.111:120.211:510.17:124:37First Quarter10Fri
11Sat5:134.95:355.012:140.37:124:37First Quarter11Sat
12Sun6:115.16:394.912:430.01:200.27:134:38First Quarter12Sun
13Mon7:115.37:424.91:38-0.12:260.17:144:38Waxing Gibbous13Mon
14Tue8:115.58:434.92:36-0.23:300.07:154:38Waxing Gibbous14Tue
15Wed9:085.79:415.03:35-0.34:32-0.27:154:38Waxing Gibbous15Wed
16Thu10:035.910:365.04:33-0.45:30-0.47:164:38Full Moon16Thu
17Fri10:576.011:305.15:30-0.56:26-0.57:174:39Full Moon17Fri
18Sat11:506.06:26-0.67:19-0.67:174:39Full Moon18Sat
19Sun12:245.112:445.97:20-0.68:11-0.67:184:40Waning Gibbous19Sun
20Mon1:185.01:385.88:14-0.69:02-0.67:194:40Waning Gibbous20Mon
21Tue2:135.02:335.69:08-0.59:53-0.57:194:40Waning Gibbous21Tue
22Wed3:095.03:295.410:02-0.310:43-0.47:204:41Waning Gibbous22Wed
23Thu4:065.04:255.210:58-0.211:33-0.37:204:41Third Quarter23Thu
24Fri5:025.05:225.011:540.07:204:42Third Quarter24Fri
25Sat5:595.06:204.812:24-0.312:510.07:214:43Third Quarter25Sat
26Sun6:555.17:164.71:14-0.31:480.07:214:43Waning Crescent26Sun
27Mon7:495.18:114.62:04-0.32:430.07:224:44Waning Crescent27Mon
28Tue8:415.29:034.62:53-0.33:37-0.17:224:45Waning Crescent28Tue
29Wed9:295.39:514.63:42-0.34:28-0.37:224:45Waning Crescent29Wed
30Thu10:145.310:374.64:29-0.35:15-0.37:224:46Waning Crescent30Thu
31Fri10:565.311:184.65:14-0.36:00-0.47:234:47New Moon31Fri
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8550714)

Common Questions About Wilmington, DE Tides

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What time does the tide turn (slack tide) in Wilmington, DE today?

Slack tide in Wilmington, DE is approximately 4:38 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 Wilmington, DE?

Wilmington, DE is currently in a neap phase. Tonight's moon is 55% 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 Wilmington, 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 Wilmington, DE?

Tide predictions for Wilmington, 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 Wilmington, DE?

Tide data for Wilmington, DE is sourced from NOAA Station #8550714. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8550714.

What is the moon phase in Wilmington, DE tonight?

Tonight the moon over Wilmington, DE is First Quarter (55% illuminated). This places Wilmington, 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