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

Great day for a beach walk.

NWS alert active · 81°F water · 85°F air

Full NWS forecast for This Afternoon

Sunny, with a high near 85. South wind around 17 mph, with gusts as high as 23 mph.

Tonight

Mostly clear, with a low around 77. Southwest wind 14 to 18 mph, with gusts as high as 28 mph.

Weather

85°F air — ideal beach weather
Sunny skies — clear conditions

Water

81°F water — warm — full-day swim weather

Safety

NWS alert active — small craft advisory issued september 9 at 12:18pm edt until september 10 at 7:00am edt by nws baltimore md/washington dc

73 /100

great

51 Swim

73 Sunbathe

82 Walk

77 Photo

Best for walking today

Water level 0.8 ft above predicted

Observed water level is running higher than the astronomical tide prediction. Expect a narrower beach, faster-rising water, and stronger near-shore currents than the tide chart suggests.

NOAA station 8574680 · Observed 1.80 ft · Predicted 1.05 ft

Small Craft Small Craft Advisory

Small Craft Advisory issued September 9 at 12:18PM EDT until September 10 at 7:00AM EDT by NWS Baltimore MD/Washington DC

NWS · In effect through Sep 10, 7:00 AM

Full NWS statement

* WHAT...South winds 15 to 25 kt with gusts up to 30 kt expected. * WHERE...Chesapeake Bay and adjoining estuaries north of Drum Point MD. * WHEN...Until 7 AM EDT Thursday. * IMPACTS...Conditions will be hazardous to small craft.

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Atmosphere

Air Temp

85°F

Mostly Clear

Wind

17 mph

Rain

This Afternoon

Tomorrow

86°F

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

Water

Water Temp

81°F

Swimming weather

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
5:49 AM	High	2.0 ft
12:43 PM	Low	0.7 ft
5:55 PM	High	1.6 ft

Time	Type	Height
12:26 AM	Low	0.5 ft
6:35 AM	High	1.9 ft
1:24 PM	Low	0.6 ft
6:50 PM	High	1.8 ft

Time	Type	Height
1:27 AM	Low	0.5 ft
7:19 AM	High	1.9 ft
2:02 PM	Low	0.5 ft
7:44 PM	High	1.9 ft

Time	Type	Height
2:26 AM	Low	0.6 ft
8:01 AM	High	1.8 ft
2:38 PM	Low	0.5 ft
8:33 PM	High	2.0 ft

Time	Type	Height
3:19 AM	Low	0.7 ft
8:40 AM	High	1.7 ft
3:11 PM	Low	0.5 ft
9:19 PM	High	2.0 ft

Time	Type	Height
4:10 AM	Low	0.7 ft
9:19 AM	High	1.6 ft
3:43 PM	Low	0.5 ft
10:03 PM	High	2.0 ft

Time	Type	Height
5:03 AM	Low	0.8 ft
9:58 AM	High	1.5 ft
4:13 PM	Low	0.5 ft
10:48 PM	High	1.9 ft

High/low predictions from NOAA station 8574680, refreshed on every build. Times shown local.

7-Day Beach Day Forecast

Today Sep 9

85°

Sunny

Thu Sep 10

86°

Slight Chance Rain Showers then Slight Chance Showers And Thunderstorms

38%

Fri Sep 11

80°

Partly Sunny

13%

Sat Sep 12

80°

Chance Rain Showers

47%

Sun Sep 13

83°

Showers And Thunderstorms Likely

56%

Mon Sep 14

83°

Mostly Sunny

Tue Sep 15

83°

Mostly Sunny

What to Bring Today

recommended SPF 30 sunscreen clear day + warm temps
recommended Sturdy umbrella + sand anchor 17 mph wind
optional Swimsuit - water is swimmable Water is 81°F

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

primitive campingrestroomspicnic areas

Frequently Asked

Is it safe to swim at Hart-Miller Island State Park today?

Hart-Miller Island State 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 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.