Can you swim here today?
Hammond Bay Harbor
Michigan · Bay
Use caution — an official advisory is in effect
Use cautionAs of August 21, 2026, the water temperature at Hammond Bay Harbor is 71°F (21°C), measured by NOAA buoy MACM4, 29.9 miles away.
Use caution — an official advisory is in effect: a Small Craft Advisory is in effect for St Ignace to False Detour Channel and other areas.
- A Small Craft Advisory is in effect for St Ignace to False Detour Channel and other areas. — NWS Gaylord MI
- Water temperature is 71°F, within the comfortable 70–86°F range. — NOAA buoy MACM4, as of Aug 21, 7:48 PM UTC
Water temp
71°F
21°C
No official beach-advisory feed for Michigan yet — follow posted signs and local guidance.
Live data from NOAA buoy MACM4 (29.9 mi away), as of Aug 21, 7:48 PM UTC.
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.