85°
Sunny
0%
81
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
Great day for a beach walk.
81°F water · 85°F air
Full NWS forecast for This Afternoon
Sunny, with a high near 85. South wind around 15 mph, with gusts as high as 25 mph.
Tonight
Mostly clear, with a low around 74. Southwest wind 10 to 16 mph, with gusts as high as 26 mph.
Weather
- 85°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 81°F water — warm — full-day swim weather
81 /100
great
83 Swim
77 Sunbathe
84 Walk
71 Fish
80 Photo
Best for walking today
Atmosphere
Air Temp
85°F
Mostly Clear
Wind
15 mph
S
Rain
0%
This Afternoon
UV Peak
7 High
High 02 PM–03 PM · burn in ~29m
Burn-free before 01 PM & after 05 PM
Tomorrow
88°F
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
Water
Water Temp
81°F
Swimming weather
Next High Tide
8:08 PM
1.4 ft · in 51m
Sea Nettles
Low nettle risk
33% probability · Baltimore Harbor buoy
Sun & Moon
Sunrise
6:41 AM
Sunset
7:24 PM
Moon · 5%
Waning Crescent
Spring tides — bigger range
Tides
| Time | Type | Height |
|---|---|---|
| 12:59 AM | Low | 0.3 ft |
| 7:24 AM | High | 1.7 ft |
| 1:54 PM | Low | 0.1 ft |
| 8:08 PM | High | 1.4 ft |
| Time | Type | Height |
|---|---|---|
| 2:00 AM | Low | 0.3 ft |
| 8:11 AM | High | 1.6 ft |
| 2:37 PM | Low | 0.0 ft |
| 8:57 PM | High | 1.5 ft |
| Time | Type | Height |
|---|---|---|
| 2:57 AM | Low | 0.3 ft |
| 8:56 AM | High | 1.5 ft |
| 3:18 PM | Low | 0.0 ft |
| 9:44 PM | High | 1.6 ft |
| Time | Type | Height |
|---|---|---|
| 3:51 AM | Low | 0.3 ft |
| 9:40 AM | High | 1.4 ft |
| 3:59 PM | Low | 0.0 ft |
| 10:30 PM | High | 1.7 ft |
| Time | Type | Height |
|---|---|---|
| 4:45 AM | Low | 0.3 ft |
| 10:27 AM | High | 1.3 ft |
| 4:40 PM | Low | 0.1 ft |
| 11:16 PM | High | 1.8 ft |
| Time | Type | Height |
|---|---|---|
| 5:36 AM | Low | 0.3 ft |
| 11:13 AM | High | 1.2 ft |
| 5:21 PM | Low | 0.1 ft |
| 11:58 PM | High | 1.8 ft |
| Time | Type | Height |
|---|---|---|
| 6:25 AM | Low | 0.3 ft |
| 11:58 AM | High | 1.1 ft |
| 6:01 PM | Low | 0.2 ft |
High/low predictions from NOAA station 8574459, refreshed on every build. Times shown local.
7-Day Beach Day Forecast
88°
Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms
39%
33
81°
Partly Sunny
9%
86
81°
Chance Rain Showers
44%
63
84°
Showers And Thunderstorms Likely
56%
28
84°
Mostly Sunny
4%
87
84°
Mostly Sunny
9%
84
What to Bring Today
- recommended SPF 30 sunscreen UV index 7 — high
- recommended Sturdy umbrella + sand anchor 15 mph wind
- optional Swimsuit - water is swimmable Water is 81°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
10:40 PM - 12:40 AM
Minor
4:30 AM - 5:30 AM
Major
10:50 AM - 12:50 PM
Minor
6:20 PM - 7:20 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