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Main Beach, Maryland

Beach in St. Mary's County, Maryland

Air quality

The air at Main Beach

Index 16, good, led by ozone. Read at 2 AM from its reporting area, Southern Maryland (MD), 10 miles off.

16Good
  • Ozone16Good16 ppb4.3 mi

The days ahead

Good each day through Sun Oct 18, led by fine particles. Yesterday measured 20, good.

Smoke, the next 43 hours

Little smoke near the ground through Sat 8 PM: the index from smoke stays at 11 or under.

FriSat

Precipitation

What has fallen at Main Beach

0.12 in in the last 24 hours, and none in the 2 days before, to Fri 1 AM. Measured by radar and rain gauges, as water.

Last 24 hours
0.12in
Last 3 days
0.12in

Visibility

How far you can see at Main Beach, the next 43 hours

Visibility stays 6 miles or more through Sat 8 PM, lowest 6 miles Fri 8 PM.

FriSat
Main Beach from its sand, nowLooking E from the sand at 2:27 AM, night, overcast, waves about 2.0 ft every 9 s.80E100110120Facing E 100°Wind 3 mphfrom SSE, onshore
Looking E from the sand at 2:27 AM, night, overcast, waves about 2.0 ft every 9 s.
NESW

Facing E 100°

300 ft

From above: the edge, the break, the view

Beach

County
St. Mary's County
State
Maryland
Latitude
38.4911° N
Longitude
76.6730° W

What is measuring near here

The 7 instruments nearest Main Beach, how far away each one is, how high it stands, and what kind of measurement it makes. The nearest is 1.6 miles away.

measured now5 instruments

Citizen station DW0282DW0282

In a volunteer observer's own ground/6.3 mi away/138 ft/- ft from here

temp, humidity, wind, precip, pressure

Leonardtown2W6

At an airfield/13.8 mi away/142 ft/- ft from here

temp, wind, gust, visibility, precip, pressure

Powder MillS2049

At a soil climate station/37.5 mi away/105 ft/- ft from here

temp, humidity, soil temp, soil moisture

measured daily2 instruments

MechanicsvilleMECM2

At a cooperative observer's station/2.5 mi away/135 ft/- ft from here

snowfall, snow depth, precip, high, low

Charlotte Hall 3.6 ENEMD-SM-4

In a volunteer observer's own ground/2.8 mi away/128 ft/- ft from here

precip, snowfall, snow depth

-

Snow on the ground

Elsewhere in Maryland

21 places, each with its own forecast and its own instruments.

Near Main Beach

The nearest places, each with its own forecast and the instruments nearest it.

Near Main Beach