Opening a GRIB File

The GRIB file type is primarily associated with wgrib2.

GRIB	File extension: GRIB
	File type:	binary data file

What is a GRIB file?

GRIB files mostly belong to wgrib2.

The GRIB file holds gridded meteorological data stored in a compact binary format.
This file carries weather model data arranged on a grid. Each cell in the grid may include values for temperature, wind speed, and pressure. The format is widely used by weather forecasting and climate research teams.
Key points compiled by FilExt.com include:

Data Content: Grid based meteorological information

Format: Binary file optimized for large datasets

Usage: Supports weather prediction and analysis

Software: Commonly processed with tools like wgrib2

FilExt.com tip: For further technical details, visit the wgrib2 webpage.

How do you open GRIB files?

You need a suitable software like wgrib2 to open a GRIB file. Without proper software you will receive a Windows message "How do you want to open this file?" or "Windows cannot open this file" or a similar Mac/iPhone/Android alert. If you cannot open your GRIB file correctly, try to right-click or long-press the file. Then click "Open with" and choose an application. You can also display a GRIB file directly in the browser:. Just drag the file onto this browser window and drop it.

Online GRIB Text Viewer

Choose your .grib file to analyze

or drag and drop it here

Online File Viewer

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Programs that open and convert GRIB files:

wgrib2
See the previous paragraphs to learn more about the main application. GRIB files are often referred to as wgrib2 data files because this type of file is primarily created or used by this software.
Gridded Binary
FM 92-VIII Ext. Gridded Binary File (WMO CBS). The identifying characters used for this association are - Hex: 47 52 49 42 00, ASCII: GRIB.

GRIB file format details:

To view or edit GRIB files you need to know the file format, because it determines how the data in this file is stored. A file format is determined by the file extension and signature, so JPEG images have the extension .jpg and the first bytes in the file are ÿØÿ. However, different programs can use the same file extension, and file extensions can be assigned incorrectly. Exact knowledge of the format is therefore important in order to solve problems occurring in files. Our analysis of the GRIB files produces the following result:

The GRIB file extension is not common and predominantly uses a uniform format. The two most popular formats are as follows:

99% of all GRIB files are associated with Gridded Binary data. The content consists of illegible binary data, which can only be read and interpreted by the associated programs. The file size is in the range of 170 KB to 120 MB. The file type is a fairly new file format. The files contain the following words: GRIB. Files like these are sometimes connected to mars, adaptor, internal, webmars, public, atls, global and blue.

All the rest of the GRIB files (1%) have different formats. Files like these are sometimes linked to download, external or month. If you want to find out what your GRIB file contains, drag and drop it onto this page.

Technical Data for GRIB File Extension

File classification:

Data

Identifier:

Hex: 47 52 49 42 00, ASCII: GRIB (provided by TrID database)

Related files:

grb, grib1, grb2, nc, hdf5, bufr, grid, grads, anl, grb2

a grib binary data file is a special file format and should only be edited and saved with the appropriate software.

How to solve problems with GRIB files

Associate the GRIB file extension with the correct application.
Update your software that should actually open binary data files. Because only the current version supports the latest GRIB file format. Search, therefore, e.g. on the manufacturer website after an available wgrib2 update.
To make sure that your GRIB file is not corrupted or virus-infected, get the file again and scan it with Google's virustotal.com.
Click here to open your .GRIB file online - secure, fast, and no downloads needed.