85°
Sunny
2%
85
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 a beach walk.
High nettle risk · 76°F water · 85°F air
Full NWS forecast for Today
Sunny, with a high near 85. South wind 6 to 16 mph, with gusts as high as 25 mph.
Tonight
Mostly cloudy, with a low around 70. South wind 8 to 16 mph, with gusts as high as 25 mph.
Weather
- 85°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 76°F water — warm — full-day swim weather
- High nettle risk — 2311% probability — reconsider swimming
68 /100
good
52 Swim
83 Sunbathe
87 Walk
66 Fish
80 Photo
Best for walking today
Atmosphere
Air Temp
85°F
Clear
Wind
6 to 16 mph
S
Rain
2%
Today
UV Peak
9 Very High
High 11 AM–03 PM · burn in ~22m
Burn-free before 09 AM & after 06 PM
Tomorrow
88°F
Mostly Cloudy then Slight Chance Showers And Thunderstorms
Water
Water Temp
76°F
Swimming weather
Next High Tide
5:54 PM
0.8 ft · in 3.2h
Sea Nettles
High nettle risk
2311% probability · Baltimore Harbor buoy
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 10mo ago
Sun & Moon
Sunrise
5:39 AM
Sunset
8:36 PM
Moon · 80%
Waxing Gibbous
Neap tides — smaller range
Today's Tides
7-day chart →| Time | Type | Height |
|---|---|---|
| 6:17 AM | High | 1.9 ft |
| 12:51 PM | Low | 0.5 ft |
| 5:54 PM | High | 0.8 ft |
| 11:45 PM | Low | 0.1 ft |
7-Day Beach Day Forecast
88°
Mostly Cloudy then Slight Chance Showers And Thunderstorms
19%
53
80°
Showers And Thunderstorms
86%
17
85°
Partly Sunny
12%
86
85°
Mostly Sunny
3%
86
89°
Mostly Sunny
10%
76
93°
Mostly Sunny then Slight Chance Showers And Thunderstorms
15%
44
What to Bring Today
- critical SPF 50 sunscreen UV index 9 — very high
- recommended Sturdy umbrella + sand anchor 6 to 16 mph wind
- optional Swimsuit - water is swimmable Water is 76°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
8:10 PM - 10:10 PM
Minor
1:50 AM - 2:50 AM
Major
8:40 AM - 10:40 AM
Minor
4:40 PM - 5:40 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
7-Day Tide Chart →
Full high/low predictions for the next week at Mariner Point Park.
7-Day Weather →
Extended forecast for Mariner Point Park from the National Weather Service.
Frequently Asked
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