Can you swim here today?
Hackettstown Riverfront Park
Hackettstown, New Jersey · Park
Use caution — flow is well above normal for this date
Use cautionAs of August 22, 2026, the water temperature at Hackettstown Riverfront Park is 67°F (20°C), measured by USGS gauge 01445500, 8.8 miles away.
Use caution — flow is well above normal for this date: water temperature is 67°F, cool enough to cause cold-water shock on a sudden entry.
- Water temperature is 67°F, cool enough to cause cold-water shock on a sudden entry. — USGS gauge 01445500, as of Aug 22, 4:15 AM gauge-local time
- Flow is above the 75th percentile for Aug 22 (median 56 ft³/s over 104 years); fast water is the top river-drowning risk. — USGS daily streamflow statistics, as of Aug 22, 4:15 AM gauge-local time
Flow is high for this date — above the 75th percentile for Aug 22 (median 56 ft³/s over 104 years).
No official beach-advisory feed for New Jersey yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Pequest River at Pequest NJ (8.8 mi away), as of Aug 22, 4:15 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.