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.

Harper

Launch date
Harper AI-powered surf forecast platform built by surfers

Launched on December 12th, 2025