Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Sunday, June 28, 2026
The tide is currently rising in Port Mahon, DE.
Next low tide : 3:28 pm (0.5 ft)
Next high tide : in 43m at 9:23 am (4.7 ft)
Sunset today : 8:32 pm
Sunrise tomorrow : 5:37 am
Moon phase : Full Moon (98% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - May 2053

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Thu9:225.89:466.33:36-0.23:51-0.26:027:55Full Moon1Thu
2Fri10:055.710:256.44:21-0.24:31-0.16:017:56Full Moon2Fri
3Sat10:475.611:046.35:02-0.25:080.05:597:57Full Moon3Sat
4Sun11:275.411:416.25:42-0.15:440.25:587:58Full Moon4Sun
5Mon12:065.26:210.16:200.35:577:58Waning Gibbous5Mon
6Tue12:196.112:465.07:010.36:580.55:567:59Waning Gibbous6Tue
7Wed12:585.91:284.87:420.57:390.75:558:00Waning Gibbous7Wed
8Thu1:395.82:124.78:260.68:240.85:548:01Waning Gibbous8Thu
9Fri2:245.63:014.69:130.89:150.95:538:02Third Quarter9Fri
10Sat3:145.43:544.610:020.810:101.05:528:03Third Quarter10Sat
11Sun4:095.34:514.710:540.811:100.95:518:04Third Quarter11Sun
12Mon5:085.25:495.011:480.65:508:05Third Quarter12Mon
13Tue6:075.36:445.412:120.812:420.45:498:06Waning Crescent13Tue
14Wed7:035.47:345.81:110.51:340.25:488:07Waning Crescent14Wed
15Thu7:555.68:216.22:070.22:24-0.15:478:08Waning Crescent15Thu
16Fri8:455.79:086.63:02-0.13:13-0.35:468:09New Moon16Fri
17Sat9:355.89:566.93:54-0.34:02-0.55:458:10New Moon17Sat
18Sun10:255.810:447.04:46-0.54:51-0.65:458:11New Moon18Sun
19Mon11:165.811:347.05:37-0.65:41-0.55:448:11New Moon19Mon
20Tue12:085.76:29-0.66:33-0.45:438:12Waxing Crescent20Tue
21Wed12:256.91:025.67:23-0.57:27-0.25:428:13Waxing Crescent21Wed
22Thu1:196.62:005.48:18-0.38:250.05:428:14Waxing Crescent22Thu
23Fri2:166.33:015.39:15-0.19:250.25:418:15First Quarter23Fri
24Sat3:176.04:035.310:120.010:260.35:408:16First Quarter24Sat
25Sun4:195.75:075.411:090.111:290.45:408:17First Quarter25Sun
26Mon5:245.56:095.512:060.15:398:17Waxing Gibbous26Mon
27Tue6:265.47:045.812:320.41:010.15:398:18Waxing Gibbous27Tue
28Wed7:215.47:535.91:300.31:510.15:388:19Waxing Gibbous28Wed
29Thu8:115.48:376.12:240.22:370.15:388:20Waxing Gibbous29Thu
30Fri8:575.49:196.23:130.13:200.15:378:20Full Moon30Fri
31Sat9:415.39:596.23:580.04:010.15:378:21Full Moon31Sat
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 12:25 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 98% 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 Full Moon (98% 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