Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Thursday, July 30, 2026
The tide is currently rising in Port Mahon, DE.
Next low tide : 5:09 pm (0.2 ft)
Next high tide : in 4h 45m at 10:58 am (5.0 ft)
Sunset today : 8:15 pm
Sunrise tomorrow : 6:00 am
Moon phase : Full Moon (99% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - May 2089

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Sun2:345.53:124.69:210.89:231.06:017:55Third Quarter1Sun
2Mon3:255.34:064.510:100.910:181.06:007:56Third Quarter2Mon
3Tue4:215.25:044.611:030.911:171.05:597:57Third Quarter3Tue
4Wed5:205.16:014.811:560.85:587:58Third Quarter4Wed
5Thu6:185.16:535.212:160.912:470.65:577:59Waning Crescent5Thu
6Fri7:115.37:405.61:130.71:360.45:568:00Waning Crescent6Fri
7Sat7:585.48:245.92:070.42:230.15:558:01Waning Crescent7Sat
8Sun8:445.59:066.32:580.23:09-0.15:548:02New Moon8Sun
9Mon9:295.69:496.53:47-0.13:54-0.35:538:03New Moon9Mon
10Tue10:155.610:326.74:35-0.24:40-0.45:528:04New Moon10Tue
11Wed11:015.611:176.85:23-0.45:26-0.45:518:05New Moon11Wed
12Thu11:495.66:11-0.46:14-0.35:508:05Waxing Crescent12Thu
13Fri12:056.812:405.57:02-0.37:05-0.25:498:06Waxing Crescent13Fri
14Sat12:556.71:345.47:55-0.28:000.05:488:07Waxing Crescent14Sat
15Sun1:506.42:335.38:51-0.18:590.15:478:08First Quarter15Sun
16Mon2:496.23:355.39:490.010:010.35:468:09First Quarter16Mon
17Tue3:525.94:405.410:470.111:060.35:458:10First Quarter17Tue
18Wed4:585.75:445.511:460.15:448:11First Quarter18Wed
19Thu6:035.66:445.812:100.312:430.05:448:12Waxing Gibbous19Thu
20Fri7:045.57:386.11:130.21:37-0.15:438:13Waxing Gibbous20Fri
21Sat7:585.68:276.32:110.02:27-0.15:428:14Waxing Gibbous21Sat
22Sun8:485.59:126.43:04-0.13:14-0.15:428:14Full Moon22Sun
23Mon9:355.59:556.43:53-0.23:58-0.15:418:15Full Moon23Mon
24Tue10:195.410:366.44:38-0.24:400.05:408:16Full Moon24Tue
25Wed11:025.311:166.35:20-0.15:190.15:408:17Full Moon25Wed
26Thu11:445.211:556.26:010.05:580.35:398:18Waning Gibbous26Thu
27Fri12:255.06:400.26:360.45:398:18Waning Gibbous27Fri
28Sat12:356.01:064.97:200.37:170.65:388:19Waning Gibbous28Sat
29Sun1:165.91:494.88:010.58:010.75:388:20Waning Gibbous29Sun
30Mon1:595.72:344.88:440.68:480.85:378:21Third Quarter30Mon
31Tue2:455.43:224.89:280.79:400.95:378:21Third Quarter31Tue
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 2:03 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 99% 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 (99% 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