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Can you swim here today?

Greenbrier Branch

Maryland · River

Comfortable for a swim today

Good to swim

As of August 22, 2026, the water temperature at Greenbrier Branch is 73°F (23°C), measured by USGS gauge 01646000, 5.4 miles away.

Comfortable for a swim today: water temperature is 73°F, within the comfortable 70–86°F range.

  • Water temperature is 73°F, within the comfortable 70–86°F range. USGS gauge 01646000, as of Aug 22, 5:15 AM gauge-local time
  • Flow is within the normal range (25th–75th percentile) for Aug 22 (median 21 ft³/s over 91 years). USGS daily streamflow statistics, as of Aug 22, 5:15 AM gauge-local time
Water temp
73°F
23°C
Streamflow
14 ft³/s
discharge
Gage height
2.67 ft
water level

Flow is normal for this date — within the normal range (25th–75th percentile) for Aug 22 (median 21 ft³/s over 91 years).

No official beach-advisory feed for Maryland yet — follow posted signs and local guidance.

Live, provisional data from USGS gauge DIFFICULT RUN NEAR GREAT FALLS, VA (5.4 mi away), as of Aug 22, 5:15 AM gauge-local time.

Before you get in

  • Never swim alone — and keep weaker swimmers within arm's reach.
  • Scout depth and entry/exit points before you get in.
  • Read the current: avoid fast, rising, or murky water.
  • Check the forecast — get out well before storms or lightning.
  • Obey posted signs, flags, and lifeguard guidance.

Read next

Conditions are for general information only and can change quickly. Always judge the water in person and follow posted advisories and local guidance before swimming or paddling.