85°
Mostly Cloudy
8%
77
Harford County, MD · Chesapeake Bay
Mariner Point Park
100 Kearney Dr, Joppa, MD 21085
A 107-acre Harford County park at the confluence of the Gunpowder and Little Gunpowder Rivers. Wooded trails, a kayak launch, fishing pier, dog park, and small shoreline spots for wading. No designated swim beach — one of the best paddling put-ins on the upper Bay.
Today's Conditions
Ideal for photography.
82°F water · 85°F air
Full NWS forecast for Today
Mostly cloudy, with a high near 85. East wind around 10 mph.
Tonight
Partly cloudy, with a low around 67. East wind 2 to 10 mph.
Weather
- 85°F air — ideal beach weather
- Cloud cover — overcast reduces uv exposure but the vibe too
Water
- 82°F water — warm — full-day swim weather
76 /100
great
77 Swim
69 Sunbathe
79 Walk
87 Fish
85 Photo
Best for photography today
Atmosphere
Air Temp
85°F
Mostly Cloudy
Wind
10 mph
E
Rain
8%
Today
UV Peak
8 Very High
High 11 AM–03 PM · burn in ~25m
Burn-free before 09 AM & after 06 PM
Tomorrow
84°F
Mostly Sunny
Water
Water Temp
82°F
Swimming weather
Next High Tide
7:17 PM
0.8 ft · in 4.1h
Sea Nettles
Low nettle risk
30% probability · Baltimore Harbor buoy
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 10mo ago
Sun & Moon
Sunrise
5:48 AM
Sunset
8:33 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
7-Day Beach Day Forecast
84°
Mostly Sunny
0%
86
87°
Sunny
0%
85
95°
Sunny
4%
72
92°
Sunny
3%
78
90°
Mostly Sunny
11%
79
90°
Mostly Sunny then Slight Chance Showers And Thunderstorms
24%
40
What to Bring Today
- critical SPF 50 sunscreen UV index 8 — very high
- recommended Umbrella or shade warm day, light wind
- optional Swimsuit - water is swimmable Water is 82°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
10:00 PM - 12:00 AM
Minor
3:00 AM - 4:00 AM
Major
10:30 AM - 12:30 PM
Minor
7:10 PM - 8:10 PM
Beach Info
Parking
Free lot.
Dogs
Leashed dogs permitted throughout park; separate fenced dog park on-site.
Entry Fee
Free
Address
100 Kearney Dr, Joppa, MD 21085
Amenities
Frequently Asked
Is it safe to swim at Mariner Point Park today?
Mariner Point 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 Mariner Point Park dog-friendly?
Leashed dogs permitted throughout park; separate fenced dog park on-site.
Is there an entry fee at Mariner Point Park?
Entry to Mariner Point Park is free.
Are there lifeguards at Mariner Point Park?
No lifeguards are stationed at Mariner Point Park. Swim at your own risk and keep close watch on children.
What amenities are at Mariner Point Park?
Amenities at Mariner Point Park include dog park, kayak launch, fishing pier, trails, playground, restrooms, disc golf.
When is the water warmest at Mariner Point 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 Mariner Point Park located?
Mariner Point Park is in Harford County, MD, at 100 Kearney Dr, Joppa, MD 21085.
Nearby Beaches
Updated · Data from NOAA, NWS