Weather Warnings & Advisories
GET
/json/warn.json
Get currently active weather warnings and advisories for all regions in Japan as JSON data.
The data is updated almost simultaneously with the Japan Meteorological Agency's announcements.
The codes for weather warnings and advisories (warn) in the response can be found in the Weather Warnings & Advisories Code Definitions.
The response will reflect updates based on changes in the secondary subdivision areas, which are the classification of weather warnings and advisories.
Responses
JSON containing weather warnings and advisories for all regions in Japan
application/json
JSON
{
"dataId": "3909775c-5d0f-4e96-8e4f-7d3f263e2056",
"created": "2025-04-09T10:00:00+09:00",
"wxdata": [
{
"code": "string",
"name": "string",
"date": "2025-04-09T10:00:00+09:00",
"warn": "string"
}
]
}