Tides Today & Tomorrow in Port Mahon, DE

TIDE TIMES for Saturday, August 8, 2026
The tide is currently falling in Port Mahon, DE.
Next low tide : in 1h 26m at 12:08 pm (0.5 ft)
Next high tide : 6:19 pm (6.1 ft)
Sunset today : 8:05 pm
Sunrise tomorrow : 6:08 am
Moon phase : Waning Crescent (22% illuminated)
Tide Station Location : Station #8554399
Common Questions About Tides

Port Mahon, DE Tides - Jul 1949

DateHigh TideLow TideSunMoonDate
AMftPMftAMftPMftRiseSet
1Fri1:426.32:235.48:38-0.18:480.25:388:31First Quarter1Fri
2Sat2:366.03:175.59:270.09:470.35:398:31First Quarter2Sat
3Sun3:335.74:155.710:180.010:490.45:398:31First Quarter3Sun
4Mon4:345.45:155.911:120.111:550.45:408:31First Quarter4Mon
5Tue5:395.16:166.112:090.25:408:31Waxing Gibbous5Tue
6Wed6:434.97:146.21:010.31:060.25:418:30Waxing Gibbous6Wed
7Thu7:444.98:096.42:040.22:030.25:428:30Waxing Gibbous7Thu
8Fri8:404.99:016.43:030.12:580.25:428:30Full Moon8Fri
9Sat9:334.99:526.43:580.03:500.25:438:30Full Moon9Sat
10Sun10:245.010:396.44:470.04:390.25:448:29Full Moon10Sun
11Mon11:115.011:246.35:320.05:240.25:448:29Full Moon11Mon
12Tue11:555.06:140.16:070.45:458:28Waning Gibbous12Tue
13Wed12:076.112:385.06:540.26:490.55:468:28Waning Gibbous13Wed
14Thu12:485.91:204.97:320.47:320.65:468:27Waning Gibbous14Thu
15Fri1:305.72:025.08:100.58:170.85:478:27Waning Gibbous15Fri
16Sat2:135.42:455.08:470.69:040.95:488:26Third Quarter16Sat
17Sun2:585.13:305.09:260.79:541.15:498:26Third Quarter17Sun
18Mon3:464.84:185.110:080.810:491.25:498:25Third Quarter18Mon
19Tue4:394.55:105.210:540.911:491.25:508:24Third Quarter19Tue
20Wed5:384.36:065.411:460.95:518:24Waning Crescent20Wed
21Thu6:374.37:005.612:511.112:420.85:528:23Waning Crescent21Thu
22Fri7:334.47:525.91:501.01:380.65:538:22Waning Crescent22Fri
23Sat8:254.58:416.12:450.72:320.45:538:22Waning Crescent23Sat
24Sun9:144.79:296.43:370.43:250.25:548:21New Moon24Sun
25Mon10:025.010:166.64:250.24:160.05:558:20New Moon25Mon
26Tue10:495.211:026.75:11-0.15:05-0.15:568:19New Moon26Tue
27Wed11:355.411:486.75:55-0.35:54-0.25:578:18Waxing Crescent27Wed
28Thu12:225.76:39-0.46:44-0.25:588:17Waxing Crescent28Thu
29Fri12:366.61:105.87:24-0.47:37-0.15:598:16Waxing Crescent29Fri
30Sat1:256.32:016.08:11-0.38:330.05:598:15Waxing Crescent30Sat
31Sun2:175.92:536.08:59-0.19:310.26:008:14First Quarter31Sun
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 3:13 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 22% 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 Crescent (22% 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