Can you swim here today?
Raritan River
South Amboy, New Jersey · River
Comfortable for a swim today
Good to swimAs of August 21, 2026, the water temperature at Raritan River is 76°F (24°C), measured by USGS gauge 01396060, 1 mile away.
Comfortable for a swim today: water temperature is 76°F, within the comfortable 70–86°F range.
- Water temperature is 76°F, within the comfortable 70–86°F range. — USGS gauge 01396060, as of Aug 21, 2:19 PM gauge-local time
- Heavy rain today can raise bacteria levels near outfalls and river mouths.
Water temp
76°F
24°C
No official beach-advisory feed for New Jersey yet — follow posted signs and local guidance.
Live, provisional data from USGS gauge Arthur Kill at Perth Amboy NJ (1 mi away), as of Aug 21, 2:19 PM 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.