Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Sunday, August 2, 2026
The tide is currently rising in Port Mahon, DE.
Next low tide : 7:14 pm (0.4 ft)
Next high tide : in 5h 31m at 12:47 pm (5.6 ft)
Sunset today : 8:12 pm
Sunrise tomorrow : 6:03 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - Oct 2095

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat11:595.96:030.46:300.66:586:44Waxing Crescent1Sat
2Sun12:155.412:345.96:360.67:100.76:596:42Waxing Crescent2Sun
3Mon12:515.11:115.97:100.77:551.07:006:40Waxing Crescent3Mon
4Tue1:314.81:535.87:500.88:451.17:006:39Waxing Crescent4Tue
5Wed2:174.62:435.78:380.99:421.27:016:37First Quarter5Wed
6Thu3:124.43:415.79:351.010:431.27:026:36First Quarter6Thu
7Fri4:184.44:475.710:391.011:471.07:036:34First Quarter7Fri
8Sat5:284.65:545.911:470.87:046:33Waxing Gibbous8Sat
9Sun6:334.96:566.212:480.712:520.57:056:31Waxing Gibbous9Sun
10Mon7:305.47:526.51:430.31:520.17:066:30Waxing Gibbous10Mon
11Tue8:225.98:446.72:34-0.12:49-0.27:076:28Waxing Gibbous11Tue
12Wed9:116.49:346.73:23-0.43:44-0.57:086:27Full Moon12Wed
13Thu10:006.810:246.64:10-0.64:37-0.77:096:25Full Moon13Thu
14Fri10:487.011:136.44:57-0.75:29-0.67:106:24Full Moon14Fri
15Sat11:367.05:43-0.66:22-0.57:116:22Waning Gibbous15Sat
16Sun12:036.012:256.96:30-0.47:16-0.27:126:21Waning Gibbous16Sun
17Mon12:555.61:176.67:200.08:130.27:136:19Waning Gibbous17Mon
18Tue1:515.22:136.28:140.39:120.57:146:18Third Quarter18Tue
19Wed2:514.93:135.99:110.610:130.77:156:17Third Quarter19Wed
20Thu3:564.74:175.610:110.811:150.87:166:15Third Quarter20Thu
21Fri5:034.75:235.511:130.97:176:14Third Quarter21Fri
22Sat6:074.86:245.512:160.812:130.97:196:12Waning Crescent22Sat
23Sun7:035.07:165.61:100.71:090.87:206:11Waning Crescent23Sun
24Mon7:495.38:025.71:560.51:590.67:216:10Waning Crescent24Mon
25Tue8:315.58:435.82:360.42:450.47:226:08Waning Crescent25Tue
26Wed9:095.79:235.83:140.33:280.37:236:07New Moon26Wed
27Thu9:465.910:015.73:490.24:090.27:246:06New Moon27Thu
28Fri10:216.010:375.54:230.24:490.27:256:05New Moon28Fri
29Sat10:546.011:135.34:570.35:280.37:266:03New Moon29Sat
30Sun11:286.011:485.05:310.46:080.47:276:02Waxing Crescent30Sun
31Mon12:036.06:050.56:490.67:286:01Waxing Crescent31Mon
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8554399)

Common Questions About Port Mahon, DE Tides

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

Slack tide in Port Mahon, DE is approximately 4:00 pm — 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 Port Mahon, DE?

Port Mahon, DE is currently in a spring phase. Tonight's moon is 84% 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 Port Mahon, 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 Port Mahon, DE?

Tide predictions for Port Mahon, 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 Port Mahon, DE?

Tide data for Port Mahon, DE is sourced from NOAA Station #8554399. View the official NOAA station page at https://tidesandcurrents.noaa.gov/stationhome.html?id=8554399.

What is the moon phase in Port Mahon, DE tonight?

Tonight the moon over Port Mahon, DE is Waning Gibbous (84% illuminated). This places Port Mahon, 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