1km Mesh Pinpoint Weather & Feel-Like Forecast
GET
/api/v1/ss1wx
Get weather forecasts for specified latitude and longitude coordinates, calculated with 1km grid resolution.
Api has short range forecast (SRF) and medium range forecast (MRF). SRF includes hourly weather for 3 days, and MRF includes daily weather for 10 days. SRF has one weather icon, while MRF may have two icons combined.
SRF includes feel-like index and feel-like temperature.
See Weather Codes (Forecast) for weather codes and icons.
For feel-like index definitions, refer to Feel-Like Index Definitions.
Wind Direction Definitions are available in Wind Direction Definitions
Parameters
Query Parameters
lat*
Latitude
Typenumber
RequiredExample
35.651377format
floatlon*
Longitude
Typenumber
RequiredExample
140.041161format
floatResponses
1km grid-based weather forecast data
application/json
JSON
{
"requestId": "3909775c-5d0f-4e96-8e4f-7d3f263e2056",
"wxdata": [
{
"lat": 35.651377,
"lon": 140.041161,
"srf": [
{
"date": "2025-04-09T10:00:00+09:00",
"wx": 100,
"temp": 22,
"prec": 0,
"arpress": 1011,
"wndspd": 0,
"wnddir": 0,
"rhum": 43,
"feelidx": 5,
"feeltmp": 20
}
],
"mrf": [
{
"date": "2025-04-09T00:00:00+09:00",
"wx": 100,
"maxtemp": 24,
"mintemp": 11,
"pop": 10
}
]
}
]
}