Baltimore County, MD · Chesapeake Bay

Dundee Creek Marina (Gunpowder Falls SP)

7200 Graces Quarters Rd, Middle River, MD 21220

The boating side of Gunpowder Falls State Park's Dundee Creek Area, separate from Hammerman's swim beach. Public boat ramps, kayak/canoe/jon-boat rentals, and direct access to Dundee, Saltpeter, and Dark Head Creeks. Not a swimming destination — launch, fish, paddle.

Charters & Tours3

Today's Conditions

Skip the beach today.

69% rain · Thunderstorms · NWS alert active

Full NWS forecast for This Afternoon

A chance of showers and thunderstorms. Some of the storms could be severe. Mostly cloudy, with a high near 89. Southwest wind around 10 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Tonight

A chance of showers and thunderstorms before 4am. Some of the storms could be severe. Mostly cloudy, with a low around 74. Southwest wind 6 to 9 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.

Weather

89°F air — hot — hydrate and seek shade
69% rain — rain likely at some point

Water

84°F water — warm — full-day swim weather
Moderate nettle risk — 40% probability — expect some stings

Safety

Thunderstorms — stay off the water when storms approach
NWS alert active — tornado watch issued july 18 at 4:33pm edt until july 18 at 9:00pm edt by nws baltimore md/washington dc

6 /100

skip

0 Swim

25 Sunbathe

0 Walk

0 Fish

22 Photo

Best for sunbathing today

Weather alert in effect

Tornado Watch issued July 18 at 4:33PM EDT until July 18 at 9:00PM EDT by NWS Baltimore MD/Washington DC

Flood Watch issued July 18 at 11:43AM EDT until July 18 at 8:00PM EDT by NWS Baltimore MD/Washington DC

Heat Advisory issued July 18 at 7:50AM EDT until July 18 at 7:00PM EDT by NWS Baltimore MD/Washington DC

Air Quality Alert issued July 17 at 4:40PM EDT by NWS Baltimore MD/Washington DC

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Atmosphere

Air Temp

89°F

Light Thunderstorms and Light Rain

Wind

10 mph

Rain

69%

This Afternoon

UV Peak

9 Very High

High 11 AM–02 PM · burn in ~22m

Burn-free before 09 AM & after 05 PM

Tomorrow

85°F

Mostly Sunny

Water

Water Temp

84°F

Swimming weather

Sea Nettles

Moderate nettle risk

40% probability · Baltimore Harbor buoy

Water Quality

Clean

10 MPN/100mL · Enterococcus

USGS · sampled 10mo ago

Sun & Moon

Sunrise

5:53 AM

Sunset

8:29 PM

Moon · 18%

Waxing Crescent

Neap tides — smaller range

Tides

Time	Type	Height
12:22 AM	High	1.4 ft
6:02 AM	Low	0.4 ft
11:55 AM	High	1.6 ft
6:38 PM	Low	-0.1 ft

Time	Type	Height
1:16 AM	High	1.5 ft
7:02 AM	Low	0.5 ft
12:39 PM	High	1.5 ft
7:20 PM	Low	-0.1 ft

Time	Type	Height
2:10 AM	High	1.6 ft
8:07 AM	Low	0.6 ft
1:26 PM	High	1.3 ft
8:06 PM	Low	-0.1 ft

Time	Type	Height
3:05 AM	High	1.7 ft
9:14 AM	Low	0.6 ft
2:18 PM	High	1.1 ft
8:53 PM	Low	-0.0 ft

Time	Type	Height
3:58 AM	High	1.8 ft
10:16 AM	Low	0.6 ft
3:17 PM	High	1.0 ft
9:41 PM	Low	0.0 ft

Time	Type	Height
4:48 AM	High	1.8 ft
11:16 AM	Low	0.5 ft
4:18 PM	High	0.9 ft
10:26 PM	Low	0.1 ft

Time	Type	Height
5:38 AM	High	1.8 ft
12:17 PM	Low	0.5 ft
5:21 PM	High	0.8 ft
11:13 PM	Low	0.2 ft

High/low predictions from NOAA station 8574459, refreshed on every build. Times shown local.

7-Day Beach Day Forecast

Today Jul 18

89°

Chance Showers And Thunderstorms

69%

Sun Jul 19

85°

Mostly Sunny

Mon Jul 20

85°

Sunny

Tue Jul 21

87°

Showers And Thunderstorms

79%

Wed Jul 22

85°

Chance Showers And Thunderstorms

61%

Thu Jul 23

81°

Slight Chance Rain Showers

17%

Fri Jul 24

83°

Sunny

What to Bring Today

critical SPF 50 sunscreen UV index 9 — very high
recommended Umbrella or shade warm day, light wind
optional Swimsuit - water is swimmable Water is 84°F
recommended Rain cover + dry bag 69% chance of rain
critical Extra water / electrolytes 89°F - heat risk
recommended Cooling towel or hat sustained heat

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.

Minor

10:20 PM - 11:20 PM

Major

3:40 AM - 5:40 AM

Minor

10:10 AM - 11:10 AM

Major

3:50 PM - 5:50 PM

Beach Info

Parking

State park lot with trailer parking for boaters.

Dogs

Dogs permitted on leash outside the Hammerman swim beach area.

Entry Fee

State park service charge in season; boat launch fee separate

Address

7200 Graces Quarters Rd, Middle River, MD 21220

Amenities

boat rampskayak rentalscanoe rentalsjon boat rentalsrestroomspicnic area

Frequently Asked

Is it safe to swim at Dundee Creek Marina (Gunpowder Falls SP) today?

Dundee Creek Marina (Gunpowder Falls SP) 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 Dundee Creek Marina (Gunpowder Falls SP) dog-friendly?

Dogs permitted on leash outside the Hammerman swim beach area.

Is there an entry fee at Dundee Creek Marina (Gunpowder Falls SP)?

State park service charge in season; boat launch fee separate

Are there lifeguards at Dundee Creek Marina (Gunpowder Falls SP)?

No lifeguards are stationed at Dundee Creek Marina (Gunpowder Falls SP). Swim at your own risk and keep close watch on children.

What amenities are at Dundee Creek Marina (Gunpowder Falls SP)?

Amenities at Dundee Creek Marina (Gunpowder Falls SP) include boat ramps, kayak rentals, canoe rentals, jon boat rentals, restrooms, picnic area.

When is the water warmest at Dundee Creek Marina (Gunpowder Falls SP)?

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 Dundee Creek Marina (Gunpowder Falls SP) located?

Dundee Creek Marina (Gunpowder Falls SP) is in Baltimore County, MD, at 7200 Graces Quarters Rd, Middle River, MD 21220.