The Meteorological and Geophysical Bureau^[1] (SMG, Chinese: 地球物理氣象局; Portuguese: Direcção dos Serviços Meteorológicos e Geofisicos) is a department of the Macao Government. It provides weather forecasts and issues warnings on weather-related hazards. It also provides geophysical-related services to meet the needs of the public and the shipping, aviation, industrial and engineering sectors.

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The Meteorologic and Geophysic Services was established in 1952 as a government agency after taking over the role from the Portuguese Navy. Meteorological data had been recorded in Macau since 1861 with online data back to 1901.^[2] It was renamed the Meteorological and Geophysical Bureau following the handover in 1999.

• Meteorological Monitoring
• Seismological Monitoring
• Climate & Atmospheric Environment
• Telecommunications & Processing

The SMG's headquarters and observatory is located at Rampa do Observatório on Taipa Grande.