AI-powered surf forecast platform built by surfers
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Felipe Benevides

Harper - AI-powered surf forecast platform built by surfers

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It blends real-time marine data with local knowledge to deliver clear, reliable 10+ day forecasts and daily AI-generated surf reports. Get spot insights, weekly digests, and smarter planning—so you know when to paddle out before you even check the cams.

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Felipe Benevides
Maker
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Hey Product Hunt, I'm Felipe, founder of Harper 👋 I built Harper because planning a surf session feels way more complicated than it should be. Most forecast sites are cluttered, chart-heavy, and don’t account for the specific characteristics of each surf spot, so you still end up guessing whether it’s actually going to work. Harper fixes that by pulling all the data into one clean place, making it consistent, and layering in real local surf knowledge — how each spot responds to different swell angles, tides, and winds. The result: clear 10-day forecasts, daily reports, and weekly digests focused on what truly matters for your spots. The goal is simple: help surfers make better decisions without wasting time or missing good waves. It’s still early days — Harper is in beta and invite-only — but I’m excited to finally share it here.