Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Sunday, July 5, 2026
The tide is currently rising in Port Mahon, DE.
Next low tide : 8:22 pm (0.6 ft)
Next high tide : in 1h 23m at 1:57 pm (5.2 ft)
Sunset today : 8:31 pm
Sunrise tomorrow : 5:41 am
Moon phase : Waning Gibbous (72% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - May 2062

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Mon3:265.34:094.210:191.110:161.16:027:54Third Quarter1Mon
2Tue4:255.25:104.311:131.111:181.16:017:55Third Quarter2Tue
3Wed5:265.16:084.712:060.96:007:56Third Quarter3Wed
4Thu6:235.26:595.112:200.912:560.65:587:57Waning Crescent4Thu
5Fri7:155.37:455.61:180.71:430.45:577:58Waning Crescent5Fri
6Sat8:035.48:286.02:130.42:280.15:567:59Waning Crescent6Sat
7Sun8:505.59:126.43:050.13:13-0.15:558:00New Moon7Sun
8Mon9:365.59:566.73:56-0.13:59-0.25:548:01New Moon8Mon
9Tue10:245.410:416.84:46-0.24:45-0.25:538:02New Moon9Tue
10Wed11:135.311:296.85:36-0.35:32-0.25:528:03New Moon10Wed
11Thu12:045.26:28-0.26:23-0.15:518:04Waxing Crescent11Thu
12Fri12:206.712:585.07:23-0.17:180.15:508:05Waxing Crescent12Fri
13Sat1:156.51:584.98:200.18:170.35:498:06Waxing Crescent13Sat
14Sun2:146.23:014.89:200.29:200.45:488:07First Quarter14Sun
15Mon3:185.94:074.910:190.310:250.55:478:08First Quarter15Mon
16Tue4:245.75:145.111:180.311:300.55:468:09First Quarter16Tue
17Wed5:305.56:165.412:140.25:468:10Waxing Gibbous17Wed
18Thu6:325.47:105.712:340.51:070.25:458:10Waxing Gibbous18Thu
19Fri7:265.47:576.01:340.31:550.15:448:11Waxing Gibbous19Fri
20Sat8:155.38:416.22:280.22:400.15:438:12Waxing Gibbous20Sat
21Sun9:015.39:226.33:180.13:220.15:438:13Full Moon21Sun
22Mon9:455.210:016.34:030.04:020.25:428:14Full Moon22Mon
23Tue10:275.110:406.24:460.14:400.35:418:15Full Moon23Tue
24Wed11:084.911:186.25:260.25:170.45:418:16Full Moon24Wed
25Thu11:484.811:576.16:060.35:530.55:408:16Waning Gibbous25Thu
26Fri12:284.66:450.56:310.65:398:17Waning Gibbous26Fri
27Sat12:365.91:084.57:260.67:110.75:398:18Waning Gibbous27Sat
28Sun1:185.81:514.48:090.77:560.85:388:19Waning Gibbous28Sun
29Mon2:015.62:364.48:520.88:460.95:388:20Third Quarter29Mon
30Tue2:485.53:264.59:370.89:401.05:378:20Third Quarter30Tue
31Wed3:395.34:194.710:240.810:381.05:378:21Third Quarter31Wed
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 5:09 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 72% 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 Waning Gibbous (72% 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