60°
Sunny
0%
61
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
Great day for a beach walk.
60°F air
Full NWS forecast for This Afternoon
Sunny, with a high near 60. Northwest wind 12 to 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 43. Northwest wind around 15 mph, with gusts as high as 28 mph.
Weather
- 60°F air — chilly for a beach day
- Sunny skies — clear conditions
Water
- 63°F water — chilly — expect a gasp entering
61 /100
good
56 Swim
51 Sunbathe
71 Walk
60 Fish
71 Photo
Best for walking today
Atmosphere
Air Temp
60°F
Clear
Wind
12 to 15 mph
NW
Rain
0%
This Afternoon
Air Quality
29 Good
Ozone · Lower Eastern Shore
Tomorrow
63°F
Sunny
Water
Water Temp
63°F
Cold
Next Low Tide
7:07 PM
0.3 ft · in 35m
Sun & Moon
Sunrise
6:38 AM
Sunset
5:00 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
Tides
| Time | Type | Height |
|---|---|---|
| 12:06 AM | High | 1.4 ft |
| 6:28 AM | Low | 0.1 ft |
| 12:38 PM | High | 1.6 ft |
| 7:07 PM | Low | 0.3 ft |
| Time | Type | Height |
|---|---|---|
| 12:47 AM | High | 1.4 ft |
| 7:09 AM | Low | 0.1 ft |
| 1:22 PM | High | 1.5 ft |
| 7:51 PM | Low | 0.3 ft |
| Time | Type | Height |
|---|---|---|
| 1:28 AM | High | 1.4 ft |
| 7:49 AM | Low | 0.1 ft |
| 2:03 PM | High | 1.5 ft |
| 8:33 PM | Low | 0.3 ft |
| Time | Type | Height |
|---|---|---|
| 2:09 AM | High | 1.3 ft |
| 8:27 AM | Low | 0.1 ft |
| 2:44 PM | High | 1.5 ft |
| 9:15 PM | Low | 0.4 ft |
| Time | Type | Height |
|---|---|---|
| 2:49 AM | High | 1.3 ft |
| 9:07 AM | Low | 0.1 ft |
| 3:25 PM | High | 1.4 ft |
| 9:57 PM | Low | 0.4 ft |
| Time | Type | Height |
|---|---|---|
| 3:31 AM | High | 1.3 ft |
| 9:47 AM | Low | 0.2 ft |
| 4:07 PM | High | 1.4 ft |
| 10:40 PM | Low | 0.4 ft |
| Time | Type | Height |
|---|---|---|
| 4:13 AM | High | 1.2 ft |
| 10:30 AM | Low | 0.2 ft |
| 4:50 PM | High | 1.3 ft |
| 11:25 PM | Low | 0.4 ft |
High/low predictions from NOAA station 8577330, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
63°
Sunny
0%
63
63°
Sunny
0%
60
66°
Sunny
0%
68
65°
Sunny
0%
67
62°
Chance Light Rain
42%
46
54°
Chance Light Rain
46%
33
What to Bring Today
- recommended Wetsuit or expect a chill Water is 63°F
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.
Major
9:10 PM - 11:10 PM
Minor
4:40 AM - 5:40 AM
Major
9:30 AM - 11:30 AM
Minor
3:30 PM - 4:30 PM
Beach Info
Parking
Free park lot.
Dogs
Dogs permitted on leash.
Entry Fee
Free
Address
10515 Mackall Rd, St Leonard, MD 20685
Amenities
Frequently Asked
Is it safe to swim at Jefferson Patterson Park & Museum today?
Jefferson Patterson Park & Museum shows a live water-quality reading (bacteria levels) and today's swim-safety score at the top of this page, refreshed on every update. No lifeguards are on duty, so check the day's conditions and swim with caution. Always review the current advisories, surf, and rip-current notes before getting in the water.
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