84°
Slight Chance Showers And Thunderstorms then Chance Showers And Thunderstorms
37%
36
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
Decent day for sunbathing.
Thunderstorms · High nettle risk · 84°F water
Full NWS forecast for Today
A slight chance of showers and thunderstorms before 11am, then a chance of showers and thunderstorms between 11am and 2pm, then a slight chance of showers and thunderstorms between 2pm and 4pm. Mostly cloudy, with a high near 84. East wind around 10 mph. Chance of precipitation is 40%. New rainfall amounts less than a tenth of an inch possible.
Tonight
Mostly cloudy, with a low around 71. East wind 6 to 10 mph. New rainfall amounts less than a tenth of an inch possible.
Weather
- 84°F air — ideal beach weather
- 37% rain — pop-up showers possible
Water
- 84°F water — warm — full-day swim weather
- High nettle risk — 69% probability — reconsider swimming
Safety
- Thunderstorms — stay off the water when storms approach
36 /100
ok
0 Swim
55 Sunbathe
22 Walk
48 Fossils
31 Photo
Best for sunbathing today
Atmosphere
Air Temp
84°F
Mostly Cloudy
Wind
10 mph
E
Rain
37%
Today
UV Peak
7 High
High 11 AM–02 PM · burn in ~29m
Burn-free before 09 AM & after 04 PM
Tomorrow
85°F
Partly Sunny
Water
Water Temp
84°F
Swimming weather
Next Low Tide
7:02 PM
0.1 ft · in 3.9h
Sea Nettles
High nettle risk
69% probability · Gooses Reef buoy
Water Quality
Clean
20 MPN/100mL · Enterococcus
USGS · sampled 10mo ago
Sun & Moon
Sunrise
5:51 AM
Sunset
8:30 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
7-Day Beach Day Forecast
85°
Partly Sunny
1%
85
90°
Sunny
1%
81
99°
Sunny
1%
66
91°
Sunny
3%
79
90°
Mostly Sunny then Slight Chance Showers And Thunderstorms
15%
44
90°
Mostly Sunny then Slight Chance Showers And Thunderstorms
22%
41
What to Bring Today
- recommended SPF 30 sunscreen UV index 7 — high
- recommended Umbrella or shade warm day, light wind
- optional Swimsuit - water is swimmable Water is 84°F
- optional Light cover-up, watch for pop-ups 37% rain chance
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
Frequently Asked
Is it safe to swim at Flag Ponds Nature Park today?
Flag Ponds Nature Park 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 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