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Sun Safety & Coastal Environment
The coast gives you sun, wind and heat in stronger doses than inland, and all three change what your body can handle. These tools help you read the UV index, time sunscreen, judge the wind and heat, and understand what sunlight really gives back.
Tools in this category
- UV Index & Safe Sun Exposure Time Estimator — Estimate a safe time in the sun from your skin type, the UV index, and sunscreen use, with clear warnings when UV is high or the safe window is short.
- Mineral Sunscreen Reapplication Reminder Timer — A simple countdown timer that reminds you when to reapply mineral sunscreen, with a sound and visual alert at zero and a one-tap restart after you reapply.
- Wind & Coastal Weather Wellness Risk Checker — Check whether coastal conditions are safe for outdoor activity from temperature, humidity, wind speed, and UV index, with a per-factor assessment and the…
- Vitamin D Natural Sunlight Estimator — Get an approximate estimate of vitamin D made from sunlight from your skin type, time in the sun, skin exposed, and season and latitude, clearly labelled as…
- Outdoor Heat Index & Sweat Loss Calculator — Calculate the heat index with the Rothfusz formula, estimate sweat loss from activity and body weight, and get practical fluid replacement guidance for hot…
Guides in this category
- Exercising Safely in Coastal Wind and Humidity
- Heat Exhaustion: Warning Signs and First Response
- Heat, Humidity and Wind: How They Affect Performance
- How Often to Reapply Sunscreen at the Beach
- Mineral vs Chemical Sunscreen, Compared
- Reading a Beach Weather Forecast for Workouts
- Safe Sun Times for Every Skin Type
- Sunlight and Mood at the Coast
- Sunscreen Myths That Lead to Burns
- Sunscreen for Swimming and Sweating
- Sweat Loss and Rehydration After Hot Workouts
- The Heat Index, Explained: Why Humidity Makes It Worse
- The UV Index, Explained: How to Read It Daily
- Vitamin D Deficiency: Signs to Watch
- Vitamin D from Sunlight: How Much Do You Need?