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Epic Surf - Case Study
Overview
Epic Surf is a real-time surf forecasting platform that provides conditions and forecasts for 300+ surf spots worldwide. Surfers can check wave heights, wind conditions, tides, and get personalized recommendations—all optimized for mobile use.
The Problem
Surfers need quick, accurate surf forecasts but face:
Scattered information across multiple websites
Complex data that requires expertise to interpret
Limited mobile-friendly options
No community platform to share conditions
The Solution
A mobile-first web app that aggregates authoritative marine weather data and presents it in an easy-to-understand format with social features.
Tech Stack
Frontend: React + TypeScript, Vite, Tailwind CSS, shadcn/ui
Backend: Express.js, PostgreSQL (Neon), Drizzle ORM
APIs: NOAA Marine Weather, Open-Meteo, Google Maps
Storage: Supabase for media files
Key Features
Smart Surf Ratings: Automated algorithm analyzing wind, waves, and swell
5-Day Forecasts: Interactive charts with hourly breakdowns
Interactive Map: 300+ spots with color-coded condition markers
Social Feed: Share photos/videos with the community
Favorites System: Save and track your go-to spots
Mobile-First Design: Bottom navigation for easy thumb access
Technical Highlights
Intelligent Rating Algorithm
Analyzes multiple factors:
Wind direction (offshore = clean waves)
Wave height and period
Swell direction
Assigns ratings: Epic, Chill-Epic, Good, Rideable, Flat
Real-Time Data Pipeline
Automated updates every 6 hours
Smart caching reduces API calls by 90%
Manual refresh available for immediate updates
Mobile Optimization
70% of users on mobile
Bottom navigation for thumb-friendly access
Responsive charts and images
Fast load times with code splitting
Challenges Solved
Data Aggregation: Combined NOAA (US) and Open-Meteo (international) APIs into unified format
Performance: Implemented two-tier caching (memory + database) for fast responses
User Experience: Created automated surf ratings so users don't need to interpret raw data
Video Processing: Built non-blocking upload system—posts succeed even if thumbnail generation fails
Impact
300+ global surf spots covered
Sub-2-second page loads
Real-time conditions updated automatically
Community engagement through social feed
Inspiration
Surfline: Professional forecast presentation
Magic Seaweed: Community-driven reports
Windy: Beautiful weather visualization
Strava: Social feed patterns
Future Plans
10-day extended forecasts
User-submitted condition reports
Live surf cameras
Push notifications for epic conditions
Offline PWA mode
Key Learnings
Mobile-first is essential for outdoor activity apps
Reliable data sources build user trust
Smart defaults (automated ratings) improve accessibility
Non-blocking architecture keeps users happy even when features fail
Built with modern web technologies to serve the global surfing community.
5 likes · 105 views · Nov 7, 2025
Discover surf conditions worldwide with real-time marine weather data. Join the surf community to share experiences, view forecasts, and find the best waves.
Timeline
Aug 11, 2025 - Ongoing