Which situation might NOT be an indication for closing an open water facility?

The situation that might NOT be an indication for closing an open water facility is calm and sunny weather. Under these conditions, patrons are likely to enjoy safe and pleasant swimming experiences. Typically, lifeguards and facility operators monitor various environmental factors to ensure safety. Heavy rainfall and potential flooding can significantly increase the risks associated with water safety due to reduced visibility, swift current changes, and hazardous debris. The presence of strong rip currents is a well-known danger for swimmers and often necessitates closing the facility for safety. Severe lightning is an immediate and serious threat, leading to dangerous conditions and protocols to evacuate patrons for their safety. In contrast, calm and sunny weather typically signals a safe environment, promoting a positive experience for individuals using the facility.