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Jonas Green Park Beach - Photo 1
Photo: 2016-08-17 10 10 33 View south along Maryland State Route 450 (Baltimore-Annapolis Boulevard) at the northeast end of the Naval Academy Bridge over the Severn River, crossing from Pendennis Mount to Annapolis in Anne Arundel County, Maryland by Famartin (CC BY-SA 4.0) License

Jonas Green Park Beach

Park · Annapolis, Maryland

Rainy todayBarbecue grillPicnic tablesWheelchair accessible entranceWheelchair accessible parking lot
Editor's Notes
Jonas Green Park Beach is a park in Annapolis, Maryland. Picnic tables and grills on site; visitors come for hiking and picnicking. It is wheelchair-accessible and kid-friendly.

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Current water conditions

Water temp
84°F
29°C
Comfortable for a swim today. The water's in a comfortable range. Still check depth, currents, and the forecast, and follow any posted advisories before getting in.

Live data from NOAA buoy APAM2 (0.9 mi away), as of Aug 21, 12:00 AM UTC. Conditions are for general information only and can change quickly — always judge the water in person and follow posted advisories before swimming.

Weather at Jonas Green Park Beach

H: 90° L: 72°
Moderate rain
Moderate rain
76°
|
Feels like 79°
Precipitation
76%
Humidity
84%
Wind
10 mph
UV Index
0
Water Conditions:
🏊Perfect for swimming🌧️Rain expected
12 AM
Clear
77°
3 AM
Clear
74°
6 AM
Clear
73°
9 AM
Sunny
81°
12 PM
Patchy rain nearby
83°
3 PM
Patchy rain nearby
88°
6 PM
Patchy rain nearby
84°
9 PM
Patchy rain nearby
76°

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Frequently asked questions

Where is Jonas Green Park Beach?
Jonas Green Park Beach is a park in Annapolis, Maryland.
What is the water temperature at Jonas Green Park Beach?
As of August 21, 2026, the water temperature at Jonas Green Park Beach in Annapolis, Maryland is 84°F (29°C), measured by NOAA buoy APAM2, 0.9 miles away.
Can you swim at Jonas Green Park Beach?
There is no fixed answer for Jonas Green Park Beach: whether it is safe to swim there on a given day depends on the water temperature, recent rainfall, and any advisories posted at Jonas Green Park Beach in Annapolis, Maryland. Check current water conditions before you go, and follow posted signs and local guidance.
How is Jonas Green Park Beach rated?
Jonas Green Park Beach in Annapolis, Maryland has an average visitor rating of 4.6 out of 5, based on 22 reviews.

Visitor Reviews

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Been here? A quick note helps the next visitor plan their day. Handy things to mention:

Water temperatureCrowds & parkingBest time to goSafety & access

Best Times to Visit

🌧️
Right Now
Not ideal for outdoor activities today
General Tips:
  • Weekday mornings (8–10 AM) are typically less crowded
  • Check the forecast 2–3 days ahead for best planning
  • Avoid holiday weekends for a quieter experience
Best Seasons:
☀️ Summer (Jun-Aug)🍂 Fall (Sep-Nov)🌸 Spring (Mar-May)

Location & Contact

1997 Ritchie Hwy, Annapolis, MD 21409

Annapolis, Maryland 21409

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Highlights

Picnics

Accessibility

Wheelchair accessible entranceWheelchair accessible parking lot

Amenities

🍖 Barbecue grill🧺 Picnic tables

Family & Children

👶 Good for kids👶 Kid-friendly hikes