83°
Sunny
1%
84
Calvert County, MD · Chesapeake Bay
Flag Ponds Nature Park
1525 Flag Ponds Pkwy, Lusby, MD 20657
327-acre Calvert County park with 3,000 feet of sandy beach, fossil cliffs, freshwater ponds, and wooded trails. Closer to the water than Calvert Cliffs but with similar fossil-hunting opportunities.
Today's Conditions
Ideal for fossil hunting.
High nettle risk · 83°F air · 71°F water
Full NWS forecast for This Afternoon
Sunny, with a high near 83. North wind around 7 mph.
Tonight
Clear, with a low around 62. Southwest wind around 5 mph.
Weather
- 83°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 71°F water — swimmable, refreshing
- High nettle risk — 2224% probability — reconsider swimming
83 /100
great
44 Swim
85 Sunbathe
88 Walk
89 Fossils
80 Photo
Best for fossil hunting today
Atmosphere
Air Temp
83°F
Clear
Wind
7 mph
N
Rain
1%
This Afternoon
UV Peak
8 Very High
High 11 AM–03 PM · burn in ~25m
Burn-free before 09 AM & after 06 PM
Tomorrow
88°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
20 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
88°
Sunny
0%
84
94°
Sunny
0%
74
97°
Mostly Sunny
3%
66
91°
Slight Chance Rain Showers then Chance Showers And Thunderstorms
53%
24
77°
Slight Chance Rain Showers
21%
72
77°
Slight Chance Rain Showers
22%
72
What to Bring Today
- critical SPF 50 sunscreen UV index 8 — very high
- recommended Umbrella or shade warm day, light wind
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
Small lot, fills on summer weekends.
Dogs
Dogs not permitted.
Entry Fee
$5/vehicle Calvert resident, $15/vehicle non-resident (Apr–Oct); $5/vehicle weekends only Jan–Mar
Address
1525 Flag Ponds Pkwy, Lusby, MD 20657
Amenities
7-Day Tide Chart →
Full high/low predictions for the next week at Flag Ponds Nature Park.
7-Day Weather →
Extended forecast for Flag Ponds Nature Park from the National Weather Service.
Frequently Asked
Is Flag Ponds Nature Park dog-friendly?
Dogs not permitted.
Is there an entry fee at Flag Ponds Nature Park?
$5/vehicle Calvert resident, $15/vehicle non-resident (Apr–Oct); $5/vehicle weekends only Jan–Mar
Are there lifeguards at Flag Ponds Nature Park?
No lifeguards are stationed at Flag Ponds Nature Park. Swim at your own risk and keep close watch on children.
What amenities are at Flag Ponds Nature Park?
Amenities at Flag Ponds Nature Park include restrooms, trails, observation tower, fossils.
When is the water warmest at Flag Ponds Nature Park?
The Chesapeake warms quickly — water temperatures peak in late July and August, typically 78-82°F. Swimming comfortable from mid-June through September.
Where is Flag Ponds Nature Park located?
Flag Ponds Nature Park is in Calvert County, MD, at 1525 Flag Ponds Pkwy, Lusby, MD 20657.
Nearby Beaches
Updated · Data from NOAA, NWS