1km Mesh Snow Depth Forecast
GET
/api/v1/ss1wx/snwdpt
Get snow depth forecasts for specified latitude and longitude coordinates, calculated with 1km grid resolution. [Japan Only]
The API provides hourly snow depth forecasts for 60 hours, starting from the specified time.
Data is available from November 1st to April 30th each year.
The API returns snow depth values (in centimeters) based on grass surface conditions. There may be larger errors in areas with significant snow depth, such as locations above 1,000 meters elevation.
Forecast Update Times
- 5:00 AM
- 11:00 AM
- 5:00 PM
Note: Updates may occur outside of the scheduled times mentioned above.
Parameters
Query Parameters
lat*
Latitude
Typenumber
RequiredExample
35.651377format
floatlon*
Longitude
Typenumber
RequiredExample
140.041161format
floatResponses
1km grid-based snow depth forecast data
application/json
JSON
{
"requestId": "3909775c-5d0f-4e96-8e4f-7d3f263e2056",
"wxdata": [
{
"lat": 35.651377,
"lon": 140.041161,
"data": [
{
"date": "2025-04-09T00:00:00+09:00",
"snwdpt": 4
}
]
}
]
}