Great Lakes Observing System

Products

Data Mapping:
>> observations
explorer
>> get observations

Forecasts:
>> hec now/forecasting
>> hec flows
>> weather conditions
>> weekly water levels

Offsite Data:
>> surface water temps
>> more lake conditions

Great Lakes Headlines

Help Support Us

Contact glos.us:

>> Email listserve
>> Email glos

A partner of the U.S. Integrated Ocean Observing System.

GLOS - Get Latest Observations Beta

The GLOS - Get Latest Observations application is a one-stop portal to acquire aggregated Great Lakes observational data. The application allows you to visualize observational data in a variety of formats, units, and timezones. These data are available by both observation type and station types.

GLOS Latest Observations
Find BBOX coordinates from map	BBOX: (max lon, min lat, min lon, max lat) in decimal degrees
	Select Output Format
	Select Station Type
	Observed Property
	Select Measurement Units
	Select Timezone

Disclaimer: All products published on this website are prototype products and are not intended to be used for navigational or operational purposes. Due to atmospheric or other conditions, latest data may not always be available. View full disclaimer.