78°
Sunny
1%
84
Baltimore County, MD · Chesapeake Bay
Hart-Miller Island State Park
Boat-access-only island state park in the upper Chesapeake. A full mile of sandy beach and primitive camping only reachable by private boat. One of the most unique beach experiences in Maryland.
Today's Conditions
Ideal for a beach walk.
High nettle risk · 78°F air · 69°F water
Full NWS forecast for This Afternoon
Sunny, with a high near 78. East wind around 6 mph.
Tonight
Mostly clear, with a low around 64. Southwest wind around 3 mph.
Weather
- 78°F air — ideal beach weather
- Sunny skies — clear conditions
Water
- 69°F water — swimmable, refreshing
- High nettle risk — 348% probability — reconsider swimming
78 /100
great
47 Swim
86 Sunbathe
88 Walk
80 Photo
Best for walking today
Atmosphere
Air Temp
78°F
Clear
Wind
6 mph
E
Rain
1%
This Afternoon
Tomorrow
82°F
Sunny
Water
Water Temp
69°F
Refreshing
Next High Tide
9:51 PM
1.1 ft · in 30m
Sea Nettles
High nettle risk
348% probability · Baltimore Harbor buoy
Water Quality
Clean
10 MPN/100mL · Enterococcus
USGS · sampled 9mo ago
Sun & Moon
Sunrise
5:40 AM
Sunset
8:27 PM
Moon · 88%
Waning Gibbous
Neap tides — smaller range
Today's Tides
7-day chart →| Time | Type | Height |
|---|---|---|
| 2:39 AM | Low | 0.5 ft |
| 9:24 AM | High | 1.8 ft |
| 4:51 PM | Low | 0.5 ft |
| 9:51 PM | High | 1.1 ft |
7-Day Beach Day Forecast
82°
Sunny
0%
84
85°
Mostly Sunny
0%
82
87°
Mostly Sunny
6%
82
83°
Chance Showers And Thunderstorms
44%
33
74°
Slight Chance Rain Showers
20%
72
75°
Slight Chance Rain Showers
18%
78
What to Bring Today
- recommended SPF 30 sunscreen clear day + warm temps
- recommended Umbrella or shade warm day, light wind
Always remember water bottle, trash bag (leave no trace).
Beach Info
Parking
Boat access only. Launch from Rocky Point Park or elsewhere.
Dogs
Dogs permitted on leash.
Entry Fee
Free (boat required)
Address
Hart-Miller Island, MD
Amenities
7-Day Tide Chart →
Full high/low predictions for the next week at Hart-Miller Island State Park.
7-Day Weather →
Extended forecast for Hart-Miller Island State Park from the National Weather Service.
Frequently Asked
Is Hart-Miller Island State Park dog-friendly?
Dogs permitted on leash.
Is there an entry fee at Hart-Miller Island State Park?
Entry to Hart-Miller Island State Park is free.
Are there lifeguards at Hart-Miller Island State Park?
No lifeguards are stationed at Hart-Miller Island State Park. Swim at your own risk and keep close watch on children.
What amenities are at Hart-Miller Island State Park?
Amenities at Hart-Miller Island State Park include primitive camping, restrooms, picnic areas.
When is the water warmest at Hart-Miller Island State 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 Hart-Miller Island State Park located?
Hart-Miller Island State Park is in Baltimore County, MD, at Hart-Miller Island, MD.
Nearby Beaches
Updated · Data from NOAA, NWS