Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Tuesday, June 9, 2026
The tide is currently falling in Port Mahon, DE.
Next low tide : in 3h 46m at 11:07 am (0.4 ft)
Next high tide : 5:08 pm (5.4 ft)
Sunset today : 8:26 pm
Sunrise tomorrow : 5:34 am
Moon phase : Third Quarter (37% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - Dec 2036

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon7:305.97:485.41:24-0.12:060.07:024:39Waxing Gibbous1Mon
2Tue8:126.28:365.42:12-0.22:54-0.27:034:38Full Moon2Tue
3Wed8:546.49:185.43:00-0.43:42-0.37:044:38Full Moon3Wed
4Thu9:366.510:065.43:42-0.44:30-0.37:054:38Full Moon4Thu
5Fri10:246.510:545.34:30-0.55:18-0.37:064:38Waning Gibbous5Fri
6Sat11:126.511:485.25:18-0.46:12-0.37:074:38Waning Gibbous6Sat
7Sun12:066.36:12-0.37:06-0.27:084:38Waning Gibbous7Sun
8Mon12:425.11:006.17:12-0.18:00-0.17:084:38Third Quarter8Mon
9Tue1:425.12:005.88:120.09:00-0.17:094:38Third Quarter9Tue
10Wed2:425.13:065.69:120.19:54-0.17:104:38Third Quarter10Wed
11Thu3:485.24:125.410:180.110:54-0.17:114:38Third Quarter11Thu
12Fri4:545.45:185.411:240.011:48-0.27:124:39Waning Crescent12Fri
13Sat5:485.76:125.412:24-0.17:124:39Waning Crescent13Sat
14Sun6:426.07:065.412:42-0.31:18-0.37:134:39Waning Crescent14Sun
15Mon7:306.17:545.41:30-0.32:12-0.47:144:39Waning Crescent15Mon
16Tue8:186.28:425.32:18-0.43:00-0.47:144:40New Moon16Tue
17Wed9:006.29:245.23:06-0.33:48-0.47:154:40New Moon17Wed
18Thu9:426.110:065.13:48-0.24:30-0.37:164:41New Moon18Thu
19Fri10:246.010:484.94:24-0.15:06-0.17:164:41Waxing Crescent19Fri
20Sat11:065.911:304.85:060.05:480.17:174:41Waxing Crescent20Sat
21Sun11:425.75:420.26:300.27:174:42Waxing Crescent21Sun
22Mon12:124.712:245.56:240.37:060.47:184:42Waxing Crescent22Mon
23Tue12:544.61:125.37:120.57:540.57:184:43Waxing Crescent23Tue
24Wed1:424.52:005.18:000.68:360.57:184:44First Quarter24Wed
25Thu2:304.62:484.98:540.79:240.57:194:44First Quarter25Thu
26Fri3:244.73:424.79:480.710:120.57:194:45First Quarter26Fri
27Sat4:184.84:424.710:480.611:060.37:194:46First Quarter27Sat
28Sun5:125.15:364.711:480.57:204:46Waxing Gibbous28Sun
29Mon6:065.56:304.912:000.112:420.27:204:47Waxing Gibbous29Mon
30Tue6:545.87:245.012:54-0.11:360.07:204:48Waxing Gibbous30Tue
31Wed7:426.18:125.11:42-0.32:30-0.37:204:48Full Moon31Wed
DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
Tidal Data Source: (8554399)

Common Questions About Port Mahon, DE Tides

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

Slack tide in Port Mahon, DE is approximately 2:07 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 transitional phase. Tonight's moon is 37% 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 shifting between spring and neap.

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 Third Quarter (37% illuminated). This places Port Mahon, DE in a transitional tide cycle, so tidal ranges are shifting between spring and neap 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