Jefferson Patterson Park & Museum

10515 Mackall Rd, St Leonard, MD 20685

560-acre archaeological park on the Patuxent River with a sandy beach, museum of Maryland archaeology, and 3+ miles of trails. The beach is quiet, dog-friendly, and one of the better spots to wade and look for Native American artifacts (which must be left in place if found).

Ideal for a beach walk.

High nettle risk · 76°F water · 86°F air

Full NWS forecast for Today

Mostly sunny, with a high near 86. South wind 3 to 14 mph, with gusts as high as 24 mph.

Tonight

Partly cloudy, with a low around 70. South wind 9 to 14 mph, with gusts as high as 24 mph.

Weather

  • 86°F air — ideal beach weather
  • Sunny skies — mostly sunny

Water

  • 76°F water — warm — full-day swim weather
  • High nettle risk — 4827% probability — reconsider swimming
76 /100
great
55 Swim
84 Sunbathe
87 Walk
76 Fish
80 Photo

Best for walking today

Water level 0.8 ft above predicted

Observed water level is running higher than the astronomical tide prediction. Expect a narrower beach, faster-rising water, and stronger near-shore currents than the tide chart suggests.

NOAA station 8577330 · Observed 1.92 ft · Predicted 1.13 ft

Air Temp
86°F
Partly Cloudy
Wind
3 to 14 mph
S
Rain
1%
Today
Tomorrow
92°F
Mostly Sunny then Chance Showers And Thunderstorms
Water Temp
76°F
Swimming weather
Next Low Tide
5:57 PM
0.2 ft · in 3.3h
Sea Nettles
High nettle risk
4827% probability · Gooses Reef buoy
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 10mo ago
Sunrise
5:43 AM
Sunset
8:33 PM
Moon · 80%
Waxing Gibbous
Neap tides — smaller range
7-day chart →
Time Type Height
6:09 AM Low 0.6 ft
11:37 AM High 1.3 ft
5:57 PM Low 0.2 ft
Today Jun 25
86°

Mostly Sunny

1%
85
Fri Jun 26
92°

Mostly Sunny then Chance Showers And Thunderstorms

27%
38
Sat Jun 27
85°

Showers And Thunderstorms

75%
17
Sun Jun 28
85°

Partly Sunny

14%
86
Mon Jun 29
84°

Sunny

3%
86
Tue Jun 30
89°

Sunny

3%
76
Wed Jul 1
93°

Sunny

7%
76
  • optional Swimsuit - water is swimmable Water is 76°F

Always remember water bottle, trash bag (leave no trace).

Solunar theory: fish activity peaks at moon transits (major) and moonrise/moonset (minor). All times local.

Major
8:10 PM - 10:10 PM
Minor
1:50 AM - 2:50 AM
Major
8:40 AM - 10:40 AM
Minor
4:40 PM - 5:40 PM

Parking

Free park lot.

Dogs

Dogs permitted on leash.

Entry Fee

Free

Address

10515 Mackall Rd, St Leonard, MD 20685

museumtrailsrestroomspicnic areasfishing pier
Is Jefferson Patterson Park & Museum dog-friendly?

Dogs permitted on leash.

Is there an entry fee at Jefferson Patterson Park & Museum?

Entry to Jefferson Patterson Park & Museum is free.

Are there lifeguards at Jefferson Patterson Park & Museum?

No lifeguards are stationed at Jefferson Patterson Park & Museum. Swim at your own risk and keep close watch on children.

What amenities are at Jefferson Patterson Park & Museum?

Amenities at Jefferson Patterson Park & Museum include museum, trails, restrooms, picnic areas, fishing pier.

When is the water warmest at Jefferson Patterson Park & Museum?

The Patuxent warms through July to highs around 78-82°F. Best swimming window is late June through early September.

Where is Jefferson Patterson Park & Museum located?

Jefferson Patterson Park & Museum is in Calvert County, MD, at 10515 Mackall Rd, St Leonard, MD 20685.

Updated · Data from NOAA, NWS

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