The WA Ocean Forecast, Scored for What You Do.

Stop checking four different weather websites. Fathom custom-weights wind directions, wave periods, tides, and temperature for 9 distinct water sports to generate a single 0–10 score you can trust. Designed specifically for the Western Australian coastline.

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Fathom App - Fremantle, WA conditions forecast

Major Features Overview

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The Activity Scoring Engine

Fathom custom-scores raw atmospheric and marine data for 9 distinct water sports. A 15-knot southwesterly breeze is perfect for wingfoilers at Leighton, but ruins the waves for surfers at Cottesloe. By weighting wind direction, gusts, temperatures, UV, pressure, swell height/period, and tide trends, Fathom calculates a single 0–10 score you can trust.

Specialized logic includes Perth Metro swell shadow models (Rottnest/Garden Islands) and safety overrides like Rock Fishing wave-height gates.

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Spots & Custom Spot Creator

Choose from Fathom's curated database of Western Australian spots spanning Perth Metro, Rottnest Island, the South West, Great Southern, Mid West, and North West. Can't find your secret reef break or local swimming cove? Use the interactive satellite map wizard to drop a pin, orient the shoreline, and Fathom will automatically model the swell window, tide sensitivities, and wind angles for that exact location.

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Weekly Forecasts & Graphs

Plan your week with expandable 7-day outlook cards that present hourly score breakdowns, wave heights, wind directions, and wave periods. Dive deep into conditions with the weekly tide curve showing local peaks/troughs, alongside interactive meteorological and oceanographic charts.

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Sessions & Group Planning

Coordination is hard; forecast sharing shouldn't be. Group chats are where session planning goes to die. Fathom lets you plan sessions directly inside the app: lock in the spot, activity, date, and best time window, and share it with your crew in one tap so everyone knows when and where to suit up.

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Personalized Alerts & Preferences

Setup custom Condition Alerts to get notified when a spot hits your target score (e.g., notify me when Trigg Point is Surfing 7/10 or better). Customize units to your liking, toggling wind speed (km/h, knots, mph), swell height (meters, feet), and temperatures (Β°C, Β°F) to fit your exact routine.

Ready for better sessions?

Fathom is launching in early beta this July. Join the waitlist at the top of the page to secure your spot in the early iOS TestFlight release and receive updates when we go live.