Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Thursday, June 4, 2026
The tide is currently rising in Port Mahon, DE.
Next low tide : 7:09 pm (0.6 ft)
Next high tide : in 1h 21m at 1:01 pm (4.6 ft)
Sunset today : 8:23 pm
Sunrise tomorrow : 5:36 am
Moon phase : Waning Gibbous (84% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - Jan 2028

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sat12:115.46:120.36:480.47:204:49Waxing Crescent1Sat
2Sun12:374.712:525.16:550.47:260.47:214:49Waxing Crescent2Sun
3Mon1:184.71:354.87:420.68:070.57:214:50First Quarter3Mon
4Tue2:034.82:234.68:340.78:520.57:214:51First Quarter4Tue
5Wed2:534.93:174.39:310.89:410.57:214:52First Quarter5Wed
6Thu3:485.04:184.210:330.810:370.47:214:53First Quarter6Thu
7Fri4:475.25:214.311:360.611:360.37:214:54Waxing Gibbous7Fri
8Sat5:465.56:204.412:370.47:214:55Waxing Gibbous8Sat
9Sun6:415.87:154.612:340.01:350.17:204:56Waxing Gibbous9Sun
10Mon7:346.18:074.91:31-0.22:29-0.27:204:57Full Moon10Mon
11Tue8:266.48:585.22:26-0.53:20-0.57:204:58Full Moon11Tue
12Wed9:166.69:485.43:19-0.84:09-0.77:204:59Full Moon12Wed
13Thu10:066.610:385.64:11-0.94:56-0.97:195:00Full Moon13Thu
14Fri10:566.511:285.75:02-1.05:44-0.87:195:01Waning Gibbous14Fri
15Sat11:466.35:55-0.96:32-0.77:195:02Waning Gibbous15Sat
16Sun12:195.712:385.96:49-0.67:21-0.57:185:03Waning Gibbous16Sun
17Mon1:125.71:325.47:46-0.48:12-0.37:185:04Third Quarter17Mon
18Tue2:075.62:305.08:46-0.19:050.07:185:05Third Quarter18Tue
19Wed3:055.53:334.69:480.210:010.27:175:06Third Quarter19Wed
20Thu4:075.44:394.410:530.311:010.37:175:07Waning Crescent20Thu
21Fri5:115.35:444.311:580.37:165:09Waning Crescent21Fri
22Sat6:105.46:424.412:000.412:580.37:155:10Waning Crescent22Sat
23Sun7:035.57:334.612:550.31:510.17:155:11Waning Crescent23Sun
24Mon7:505.68:194.71:450.22:380.07:145:12New Moon24Mon
25Tue8:345.79:014.82:310.13:19-0.17:145:13New Moon25Tue
26Wed9:145.89:404.93:130.03:56-0.17:135:14New Moon26Wed
27Thu9:525.810:174.93:52-0.14:30-0.17:125:15New Moon27Thu
28Fri10:295.710:515.04:30-0.15:03-0.17:115:17Waxing Crescent28Fri
29Sat11:045.511:255.05:070.05:350.07:105:18Waxing Crescent29Sat
30Sun11:395.311:595.15:450.16:080.17:105:19Waxing Crescent30Sun
31Mon12:155.16:250.26:420.27:095:20Waxing 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 4:05 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