79°
Sunny
1%
82
Calvert County, MD · Patuxent River
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).
Today's Conditions
Ideal for a beach walk.
High nettle risk · 79°F air · 71°F water
Full NWS forecast for This Afternoon
Sunny, with a high near 79. North wind around 8 mph.
Tonight
Clear, with a low around 61. Southwest wind 2 to 6 mph.
Weather
- 79°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 71°F water — swimmable, refreshing
- High nettle risk — 2224% probability — reconsider swimming
74 /100
great
45 Swim
84 Sunbathe
87 Walk
76 Fish
80 Photo
Best for walking today
Atmosphere
Air Temp
79°F
Clear
Wind
8 mph
N
Rain
1%
This Afternoon
Tomorrow
84°F
Sunny
Water
Water Temp
71°F
Refreshing
Next Low Tide
11:09 PM
0.3 ft · in 1.8h
Sea Nettles
High nettle risk
2224% probability · Gooses Reef buoy
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 9mo ago
Sun & Moon
Sunrise
5:43 AM
Sunset
8:25 PM
Moon · 88%
Waning Gibbous
Neap tides — smaller range
Today's Tides
7-day chart →| Time | Type | Height |
|---|---|---|
| 4:53 AM | High | 1.5 ft |
| 11:35 AM | Low | 0.5 ft |
| 5:05 PM | High | 1.2 ft |
| 11:09 PM | Low | 0.3 ft |
7-Day Beach Day Forecast
84°
Sunny
0%
84
89°
Sunny
0%
74
92°
Mostly Sunny
3%
74
89°
Slight Chance Rain Showers then Chance Showers And Thunderstorms
53%
24
75°
Slight Chance Rain Showers
20%
72
75°
Slight Chance Rain Showers
21%
72
What to Bring Today
- recommended SPF 30 sunscreen clear day + warm temps
- recommended Umbrella or shade warm day, light wind
Always remember water bottle, trash bag (leave no trace).
Best Fishing Times Today
Solunar theory: fish activity peaks at moon transits (major) and moonrise/moonset (minor). All times local.
Minor
10:30 PM - 11:30 PM
Major
2:30 AM - 4:30 AM
Minor
7:40 AM - 8:40 AM
Major
2:50 PM - 4:50 PM
Beach Info
Parking
Free park lot.
Dogs
Dogs permitted on leash.
Entry Fee
Free
Address
10515 Mackall Rd, St Leonard, MD 20685
Amenities
7-Day Tide Chart →
Full high/low predictions for the next week at Jefferson Patterson Park & Museum.
7-Day Weather →
Extended forecast for Jefferson Patterson Park & Museum from the National Weather Service.
Frequently Asked
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.
Nearby Beaches
Updated · Data from NOAA, NWS