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- Local Weather
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- This link will open in a new windowAutomatic Regional Weather Forecast
- This link will open in a new windowTwo-hour Rainfall Nowcast
- This link will open in a new windowOne-hour Lightning Nowcast
- UV Index Forecast
- South China Coastal Waters
- Marine Forecast
- Computer Forecast Weather Map
- Weather Warnings
- Weather for Fishermen
- Weather for Marine
- Weather for Aviation
- Weather Monitoring Imagery
- GIS Weather Service
- This link will open in a new windowEarth Weather
- This link will open in a new windowMet on Map
- This link will open in a new windowRegional Weather on GIS
- This link will open in a new windowLocation-specific Lightning Alert
- This link will open in a new windowAutomatic Regional Weather Forecast
- This link will open in a new windowTwo-hour Rainfall Nowcast
- This link will open in a new windowOne-hour Lightning Nowcast
- Tropical Cyclone
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- This link will open in a new windowQuick Earthquake Messages (M6.0+ and Felt) - Twitter Channel
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- Global Earthquake Information Webpage
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- Daya Bay Contingency Plan
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- This link will open in a new windowSecurity Bureau - Daya Bay Contingency of The Hong Kong Special Administrative Region
- This link will open in a new windowEnvironment and Ecology Bureau - Import Control on Japanese Food
- This link will open in a new windowThe Center for Food Safety - Situation Update of Radiation Tests on Food Imported from Japan
- This link will open in a new windowDepartment of Health - Radiation Health FAQs and Glossary
- This link will open in a new windowAgriculture, Fisheries and Conservation Department - Radiological Testing of Fishery Products
- Educational Resources
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- This link will open in a new windowMy Little Observatory
- This link will open in a new windowDecoding Radiation
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- This link will open in a new windowInternational Cloud Atlas
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- This link will open in a new windowSevere Weather Information Centre
- This link will open in a new windowInternational Cloud Atlas
- This link will open in a new windowGlobal Multi-hazard Alert System – Asia
- This link will open in a new windowCommission for Observation, Infrastructure and Information System
- This link will open in a new windowCommission for Weather, Climate, Hydrological, Marine and Related Environmental Services and Applications
- This link will open in a new windowWorld Meteorological Day
- International Civil Aviation Organization
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- This link will open in a new windowRegional Specialized Meteorological Centre for nowcasting
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- This link will open in a new windowHong Kong Observatory Open Day 2025
