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Can you swim here today?

Portage Creek

Michigan · River

Cold water — serious cold-shock risk today

Cold water

As of August 21, 2026, the water temperature at Portage Creek is 58°F (14°C), measured by USGS gauge 04123500, 5.4 miles away.

Cold water — serious cold-shock risk today: water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion.

  • Water temperature is 58°F, cold enough to cause cold-water shock on sudden immersion. USGS gauge 04123500, as of Aug 21, 8:00 PM gauge-local time
  • Flow is above the 75th percentile for Aug 22 (median 171 ft³/s over 31 years); fast water is the top river-drowning risk. USGS daily streamflow statistics, as of Aug 21, 8:00 PM gauge-local time
Water temp
58°F
14°C
Streamflow
201 ft³/s
discharge
Gage height
0.92 ft
water level

Flow is high for this date — above the 75th percentile for Aug 22 (median 171 ft³/s over 31 years).

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

Live, provisional data from USGS gauge MANISTEE RIVER NEAR GRAYLING, MI (5.4 mi away), as of Aug 21, 8:00 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.