WATI is an innovative wearable concept designed to help people safely navigate rising temperatures in urban environments. As cities become hotter due to climate change and the Urban Heat Island effect, the need for personal, real-time guidance grows more urgent. WATI is being developed as a next-generation ambient temperature indicator, blending environmental awareness with features aimed at sports and daily life.
The heart of WATI’s utility lies in its ability to guide users through city heat. By pairing with a companion app, WATI suggests ‘cool routes’ for walking, running, or commuting. These routes are generated by combining multiple data sources: hyperlocal heat maps from Meteoblue, thermal satellite imagery provided by Constellr and SatVu, and crowdsourced ground-level data from other WATI users. This fusion of information allows WATI to recommend not only the fastest or shortest path, but the safest one in terms of temperature and sun exposure.
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The device itself is thoughtfully crafted for both aesthetics and functionality. It features a circular touchscreen, with a unique interface inspired by the minimalist weather graphics from Nothing and the robust, data-driven look of classic IBM mainframes. The casing is made from plant-based resin that reflects UV rays, offering both sustainability and extra protection from the sun. With a battery life of up to 10 hours, WATI is ready for long days out in the city.
WATI’s dual-attachment system means it can be worn in different ways, adapting to personal style and activity. Whether clipped to a shirt, attached to a bag, or worn like a traditional smartwatch, the device is meant to fit seamlessly into daily routines. Real-time alerts set WATI apart from standard wearables. The device can notify users about current UV exposure, nearby hydration points, shaded areas, and even warn of Urban Heat Island risks. This is especially valuable for runners, elderly residents, and anyone sensitive to heat. The companion app visualizes all this data with a community-driven feel, displaying achievements, heat analytics, and contributions from other WATI users in real time.
By making heat visible, personal, and actionable, WATI aims to empower individuals to make smarter choices as they move through the city. Instead of simply reacting to the weather, users can plan their routes, hydration, and activities with confidence. The concept also emphasizes community, as every user’s data helps others find safer paths. WATI is still in development, but the concept offers a timely solution for a warming world.
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