Marine Weather Atlas

A working sailor's reference. Click through to live GRIB sources, pressure maps, forecasts, and reference material.

Active voyage: La Rochelle → Gibraltar
Latest snapshot: 2026-04-17 (1.0 hr old) → open offline-ready page
Active voyage: Med Trip — April 2026
Latest snapshot: 2026-04-17 (0.7 hr old) → open offline-ready page
🗺️ Weather Map Atlas Live charts 📥 GRIB Atlas Live data 📡 Live Weather Atlas Live data 🌀 Currents Atlas Live data 🛰️ NOAA Atlas Live data Shipboard Forecasting How-to 📉 Barometer Atlas How-to 🧮 Solutions Atlas Tools 🔣 Map Symbols Atlas Reference ☁️ Cloud Atlas Reference 🌊 Sea State Atlas Reference 🔢 Weather Codes Atlas Reference 📡 Communications Atlas Reference 📚 Reference Atlas Reference 📜 Archives Atlas Reference 🌍 World Atlas Reference