Help

Provided as is. Some features are not included in this help.

Purposes

• NOAA meteorological data
• Retrieval
• Plot
• etc.

Manual

Methodology

Archived meteorological data is available from NOAA in many formats. The JSON format is suitable for manipulation in a browser.

Query URL

https://tidesandcurrents.noaa.gov//api/datagetter?product=water_level&application=NOS.COOPS.TAC.WL&begin_date=20181201&end_date=20181231&datum=MHHW&station=8443970&time_zone=gmt&units=english&format=json

Options

1. Meteorological Data
• All stations
• Single month from a year
• All 12 months from a year
• Many years
• set upper and lower bound limit
2. Parameters
• Vertical Datum for tide
• Date Time
3. Units
• No option

Glossary

none

Example

Tide in Boston using MHHW Datum

2018-12-01 00:00,-1.286
2018-12-01 00:06,-1.486
2018-12-01 00:12,-1.706
2018-12-01 00:18,-1.886
2018-12-01 00:24,-2.073
2018-12-01 00:30,-2.28
2018-12-01 00:36,-2.49
2018-12-01 00:42,-2.69
2018-12-01 00:48,-2.893

Limitations

Data from 1996 to present

Not all observations are available at all locations and all times

Timesteps without readings are discarded

check y axis unit

References

Developers

Everything is done in the browser using javascript. The json data format is used. Only one month of data is provided for one url call. ES6 promise all is used to get data asynchronously.

json data

====== JSON DATA FORMAT EXAMPLE 1 ======

{"metadata":{
  "id":"9414290",
  "name":"San Francisco",
  "lat":"37.8063",
  "lon":"-122.4659"
},

 "data":[	
   {"t":"2011-03-01 00:00", "v":"0.060", "s":"0.043", "f":"0,0,0,0", "q":"v"},
   {"t":"2011-03-01 00:06", "v":"0.123", "s":"0.049", "f":"0,0,0,0", "q":"v"},
   {"t":"2011-03-01 00:12", "v":"0.169", "s":"0.049", "f":"0,0,0,0", "q":"v"},
   {"t":"2011-03-01 00:18", "v":"0.241", "s":"0.072", "f":"0,0,0,0", "q":"v"},

   {"t":"2011-03-31 23:48", "v":"1.573", "s":"0.079", "f":"0,0,0,0", "q":"v"},
   {"t":"2011-03-31 23:54", "v":"1.606", "s":"0.115", "f":"0,0,0,0", "q":"v"}
  ]
}



====== JSON DATA FORMAT EXAMPLE 2 ======

{ "predictions" : [
   {"t":"2011-03-01 00:00", "v":"1.923"},
   {"t":"2011-03-01 00:06", "v":"2.055"},

   {"t":"2011-03-31 23:42", "v":"-0.177"},
   {"t":"2011-03-31 23:48", "v":"0.051"},
   {"t":"2011-03-31 23:54", "v":"0.277"}
  ]
}

2021 B. SHRESTHA