Dr. Rachel J.C. Fu, Chair & Professor of Dept. of Tourism, Hospitality and Event | Director of the Eric Friedheim Tourism Institute at the University of Florida
“While . . . hazards are part of the coastal ecosystem, advances in drone technology are transforming how they are monitored, predicted, and managed. What once relied heavily on reaction is now shifting toward prevention, precision, and real-time awareness.” — by Dr. R. Fu
As Florida moves into peak summer season, the state’s coastline becomes one of the most active and attractive environments in the country. Warm waters, extended daylight hours, and vibrant marine life draw both residents and visitors in large numbers. At the same time, these same conditions increase exposure to natural risks including notably shark encounters and harmful algal blooms (such as red tide).
Drone Surveillance for Shark Detection
One of the most immediate and practical applications of drones along Florida’s coastlines is shark detection. Shark encounters, while statistically rare, tend to increase in visibility during the summer months due to higher human activity in the water and seasonal patterns in marine life. Traditionally, identifying sharks near swimmers has depended on lifeguard observation from shore level a method limited by glare, water clarity, and angle of view.
Drones change that equation. Equipped with high-resolution cameras and aerial positioning, drones provide a top-down perspective that allows operators to detect sharks even when they are difficult to see from the shoreline. Subtle movements, shadows, and patterns beneath the water surface become significantly more visible from above. In many cases, sharks travel parallel to shore in relatively shallow waters, often unnoticed by swimmers. Drone surveillance enables early identification of these movements, allowing safety personnel to intervene before any close interaction occurs.
This shift from delayed recognition to early detection represents a fundamental improvement in coastal safety. Rather than responding to incidents, lifeguards can now anticipate and prevent them.
Real-Time Public Alerts and Beach Management
Detection alone is not sufficient without effective communication. Once a potential risk is identified, the ability to alert beachgoers becomes critical. Modern drones are increasingly equipped with communication tools such as loudspeakers and live-feed transmission systems, allowing them to function not only as observation devices but also as active safety platforms.
In crowded summer conditions, traditional warning methods such as whistles, flags, or verbal instructions can be limited in reach and clarity, particularly for visitors unfamiliar with local beach protocols. Drones address this gap by delivering targeted, real-time messages directly over affected areas. For example, if a shark is detected near a specific section of the shoreline, the drone can hover overhead and issue calm, precise instructions for swimmers to exit the water.
Drone systems can integrate with broader beach management infrastructure, including digital alert systems and lifeguard coordination networks. This ensures that information flows quickly from detection to response, minimizing confusion and reducing the likelihood of panic. The result is a more controlled, informed, and efficient safety response.
Predictive Risk Mapping and Behavioral Insight
Beyond real-time monitoring, drones contribute to a deeper understanding of the environmental factors that influence shark presence. Sharks are not randomly distributed; their movements are closely tied to ecological conditions such as bait fish activity, water temperature gradients, tidal flows, and underwater terrain features like sandbars.
Drones can capture detailed visual data on these elements. For instance, schools of bait fish often appear as darker, shifting patches in the water an indicator that predators may be nearby. Sandbars and drop-offs create natural pathways where sharks are more likely to patrol. By consistently monitoring these patterns, drones help build a data-driven picture of where shark activity is most likely to occur. When combined with additional data sources such as satellite imagery, historical sighting records, and environmental sensors; this information supports predictive modeling. It means coastal managers can identify higher-risk zones before sharks are observed, allowing for proactive measures such as targeted surveillance or temporary advisories.
Red Tide Monitoring and Early Detection
While shark encounters often capture public attention, red tide events present a broader and more persistent challenge. Caused by harmful algal blooms, most commonly the organism Karenia brevis in Florida, red tide produces toxins that can affect human health, marine ecosystems, and local economies. Symptoms may include respiratory irritation for beachgoers and widespread fish mortality in affected areas.
Drones offer valuable capabilities in monitoring and responding to red tide conditions. From the air, drones can detect changes in water coloration and surface patterns that indicate the presence of algal blooms. These visual cues, while sometimes subtle at ground level, become more apparent from an aerial perspective.
In addition to visual assessment, emerging drone technologies allow for environmental sampling, enabling researchers to collect water data without deploying boats. This increases efficiency and allows for more frequent monitoring. Drones can document shoreline impacts, such as fish kills or affected beach zones, providing real-time information to environmental agencies and local authorities.
Because red tide does not affect all areas uniformly, drone-based monitoring supports more precise decision-making. Instead of broad, generalized beach closures, officials can implement targeted advisories based on current conditions, allowing unaffected areas to remain accessible while protecting public health in impacted zones.
Summer 2026 Outlook: Anticipated Patterns
Looking ahead to the summer season, both shark activity and red tide conditions are expected to follow established seasonal trends, though with some variability depending on environmental factors.
Shark activity typically peaks between June and September, particularly during early morning and evening hours when feeding behavior is more active. Coastal regions with high bait fish concentrations, as well as areas with reduced water clarity following storms, may see increased shark presence. Along Florida’s Atlantic coast including regions such as Volusia and Brevard counties.
Red tide, by contrast, is less predictable but tends to be more prevalent along Florida’s Gulf Coast, especially in the southwest region. Its development is influenced by water temperature, nutrient availability, and ocean currents. Current projections suggest the possibility of localized blooms rather than widespread, prolonged events. However, conditions in late summer and early fall may increase the likelihood of intensified activity if environmental factors align.
In both cases, the key takeaway is not alarm, but preparedness. With consistent monitoring, particularly through drone technology, these risks can be managed effectively.
Practical Guidance for Coastal Safety
While technology enhances safety systems, individual awareness remains an essential component of risk prevention. Simple behavioral choices can significantly reduce the likelihood of negative encounters.
To minimize shark-related risks, swimmers are advised to avoid entering the water during dawn and dusk, when sharks are most active. Areas with visible bait fish activity should also be avoided, as these conditions attract predators. Wearing reflective or shiny objects in the water is discouraged, as these can resemble fish scales. Whenever possible, swimming near lifeguard-supervised areas, especially those utilizing drone monitoring, provides an additional layer of safety.
In the case of red tide, checking local beach condition reports before visiting is strongly recommended. A strong odor of decaying fish or visible water discoloration may indicate the presence of harmful algal blooms. Individuals with respiratory sensitivities should exercise particular caution, as airborne toxins can cause irritation even without direct water contact.
The Evolving Role of Coastal Safety Systems
The integration of drones into coastal management reflects a broader evolution in how environmental risks are addressed. Rather than replacing traditional lifeguard roles, drones enhance their capabilities by extending visibility, accelerating response times, and providing data-driven insights.
This layered approach combining human expertise with technological support creates a more resilient safety framework. It allows for faster detection, clearer communication, and more informed decision-making, ultimately reducing both risk and uncertainty for beachgoers.
Conclusion
Florida’s coastline will always be dynamic, shaped by natural forces that cannot be fully controlled. Sharks will continue to inhabit coastal waters, and red tide events will occur as part of broader ecological cycles. However, the ability to anticipate, monitor, and respond to these conditions has improved significantly.
Drone technology stands at the forefront of this progress. By offering enhanced visibility, real-time communication, and predictive capabilities, drones enable a shift from reactive responses to proactive prevention. As summer approaches and coastal activity increases, this approach provides both locals and visitors with a safer, more informed experience allowing them to enjoy Florida’s shores with greater confidence and awareness.
{Image Credit: @bschmidt16} Beaches and Visitors in Florida
