Can you swim here today?
Green Branch
Maryland · River
Use caution — an official advisory is in effect
Use cautionAs of August 23, 2026, the water temperature at Green Branch is 75°F (24°C), measured by USGS gauge 01594441, 0.3 miles away.
Use caution — an official advisory is in effect: a Coastal Flood Advisory is in effect for Anne Arundel.
- A Coastal Flood Advisory is in effect for Anne Arundel. — NWS Baltimore MD/Washington DC
- Water temperature is 75°F, within the comfortable 70–86°F range. — USGS gauge 01594441, as of Aug 23, 3:05 AM gauge-local time
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
75°F
24°C
No official beach-advisory feed for Maryland yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Patuxent R at Gov Bridge Natural Area nr Bowie MD (0.3 mi away), as of Aug 23, 3:05 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.