To ensure the stability of our systems and to preserve resources for our operational activities (network, compute, etc.), access to the open-data portal is limited to 2000 simultaneous connections. This limit helps us guarantee reliable service for our operational users, especially during periods of high demand. For added reliability, the open-data is replicated across AWS, Azure, and Google Cloud. If you experience difficulties accessing this portal directly, you can also retrieve the data from these cloud platforms.
For streamlined programmatic access, use our Python API: ecmwf-opendata
Files
Name Date (UTC) Size ID
20261111000000-0h-waef-ef-sfc.grib211-11-2026 09:401.26 Gbytes251772721
20261111000000-0h-waef-ef-sfc.index11-11-2026 09:40141.59 Kbytes251772724
20261111000000-102h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251775361
20261111000000-102h-waef-ef-sfc.index11-11-2026 09:40142.83 Kbytes251775364
20261111000000-105h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251775392
20261111000000-105h-waef-ef-sfc.index11-11-2026 09:40142.83 Kbytes251775395
20261111000000-108h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251775499
20261111000000-108h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775508
20261111000000-111h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251775779
20261111000000-111h-waef-ef-sfc.index11-11-2026 09:40142.83 Kbytes251775785
20261111000000-114h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251775588
20261111000000-114h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775591
20261111000000-117h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251775701
20261111000000-117h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775704
20261111000000-120h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251775634
20261111000000-120h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775637
20261111000000-123h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251775762
20261111000000-123h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775765
20261111000000-126h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251775756
20261111000000-126h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775759
20261111000000-129h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251775931
20261111000000-129h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775937
20261111000000-12h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251773217
20261111000000-12h-waef-ef-sfc.index11-11-2026 09:40142.22 Kbytes251773223
20261111000000-132h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251776010
20261111000000-132h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776013
20261111000000-135h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251775824
20261111000000-135h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775827
20261111000000-138h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251775850
20261111000000-138h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775856
20261111000000-141h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251775971
20261111000000-141h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775984
20261111000000-144h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251775980
20261111000000-144h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251775990
20261111000000-150h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251776080
20261111000000-150h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776086
20261111000000-156h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251776255
20261111000000-156h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776262
20261111000000-15h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251773344
20261111000000-15h-waef-ef-sfc.index11-11-2026 09:40142.22 Kbytes251773351
20261111000000-162h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251776402
20261111000000-162h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776405
20261111000000-168h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251776188
20261111000000-168h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776191
20261111000000-174h-waef-ef-sfc.grib211-11-2026 09:401.21 Gbytes251776278
20261111000000-174h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776281
20261111000000-180h-waef-ef-sfc.grib211-11-2026 09:401.22 Gbytes251776385
20261111000000-180h-waef-ef-sfc.index11-11-2026 09:40142.84 Kbytes251776391
20261111000000-186h-waef-ef-sfc.grib211-11-2026 09:401.22 Gbytes251776489
20261111000000-186h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251776492
20261111000000-18h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251773322
20261111000000-18h-waef-ef-sfc.index11-11-2026 09:40142.22 Kbytes251773325
20261111000000-192h-waef-ef-sfc.grib211-11-2026 09:401.22 Gbytes251776762
20261111000000-192h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251776768
20261111000000-198h-waef-ef-sfc.grib211-11-2026 09:401.22 Gbytes251776774
20261111000000-198h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251776777
20261111000000-204h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251776935
20261111000000-204h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251776938
20261111000000-210h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251777112
20261111000000-210h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777115
20261111000000-216h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251777260
20261111000000-216h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777263
20261111000000-21h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251773372
20261111000000-21h-waef-ef-sfc.index11-11-2026 09:40142.22 Kbytes251773375
20261111000000-222h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251777307
20261111000000-222h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777313
20261111000000-228h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251777343
20261111000000-228h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777347
20261111000000-234h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251777477
20261111000000-234h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777480
20261111000000-240h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251777495
20261111000000-240h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777498
20261111000000-240h-waef-ep-sfc.grib211-11-2026 10:0198.42 Mbytes251779043
20261111000000-240h-waef-ep-sfc.index11-11-2026 10:0116.26 Kbytes251779046
20261111000000-246h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251777549
20261111000000-246h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777552
20261111000000-24h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251773503
20261111000000-24h-waef-ef-sfc.index11-11-2026 09:40142.21 Kbytes251773506
20261111000000-252h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251777724
20261111000000-252h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777727
20261111000000-258h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251777706
20261111000000-258h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777709
20261111000000-264h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251777781
20261111000000-264h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251777784
20261111000000-270h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251778021
20261111000000-270h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251778024
20261111000000-276h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251778607
20261111000000-276h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251778613
20261111000000-27h-waef-ef-sfc.grib211-11-2026 09:401.22 Gbytes251773554
20261111000000-27h-waef-ef-sfc.index11-11-2026 09:40142.21 Kbytes251773557
20261111000000-282h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251778951
20261111000000-282h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251778957
20261111000000-288h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251778869
20261111000000-288h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251778872
20261111000000-294h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251778936
20261111000000-294h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251778939
20261111000000-300h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251778966
20261111000000-300h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251778969
20261111000000-306h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779129
20261111000000-306h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779132
20261111000000-30h-waef-ef-sfc.grib211-11-2026 09:401.2 Gbytes251773587
20261111000000-30h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251773590
20261111000000-312h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779205
20261111000000-312h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779208
20261111000000-318h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779326
20261111000000-318h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779332
20261111000000-324h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779510
20261111000000-324h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779517
20261111000000-330h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779843
20261111000000-330h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779846
20261111000000-336h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779799
20261111000000-336h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779806
20261111000000-33h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251773685
20261111000000-33h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251773688
20261111000000-342h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779734
20261111000000-342h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779740
20261111000000-348h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251779910
20261111000000-348h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251779916
20261111000000-354h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251780219
20261111000000-354h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251780225
20261111000000-360h-waef-ef-sfc.grib211-11-2026 09:401.23 Gbytes251780152
20261111000000-360h-waef-ef-sfc.index11-11-2026 09:40142.85 Kbytes251780155
20261111000000-360h-waef-ep-sfc.grib211-11-2026 10:0159.63 Mbytes251778433
20261111000000-360h-waef-ep-sfc.index11-11-2026 10:018.15 Kbytes251778439
20261111000000-36h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251773722
20261111000000-36h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251773726
20261111000000-39h-waef-ef-sfc.grib211-11-2026 09:401.17 Gbytes251774111
20261111000000-39h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251774114
20261111000000-3h-waef-ef-sfc.grib211-11-2026 09:401.27 Gbytes251772861
20261111000000-3h-waef-ef-sfc.index11-11-2026 09:40141.6 Kbytes251772867
20261111000000-42h-waef-ef-sfc.grib211-11-2026 09:401.17 Gbytes251773905
20261111000000-42h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251773908
20261111000000-45h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774019
20261111000000-45h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251774022
20261111000000-48h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774138
20261111000000-48h-waef-ef-sfc.index11-11-2026 09:40142.18 Kbytes251774144
20261111000000-51h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774247
20261111000000-51h-waef-ef-sfc.index11-11-2026 09:40142.18 Kbytes251774250
20261111000000-54h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774505
20261111000000-54h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251774508
20261111000000-57h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774521
20261111000000-57h-waef-ef-sfc.index11-11-2026 09:40142.18 Kbytes251774527
20261111000000-60h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774550
20261111000000-60h-waef-ef-sfc.index11-11-2026 09:40142.18 Kbytes251774554
20261111000000-63h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251774836
20261111000000-63h-waef-ef-sfc.index11-11-2026 09:40142.18 Kbytes251774841
20261111000000-66h-waef-ef-sfc.grib211-11-2026 09:401.16 Gbytes251775167
20261111000000-66h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775173
20261111000000-69h-waef-ef-sfc.grib211-11-2026 09:401.17 Gbytes251775021
20261111000000-69h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775027
20261111000000-6h-waef-ef-sfc.grib211-11-2026 09:401.26 Gbytes251772938
20261111000000-6h-waef-ef-sfc.index11-11-2026 09:40141.59 Kbytes251772944
20261111000000-72h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251775064
20261111000000-72h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775067
20261111000000-75h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251775148
20261111000000-75h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775155
20261111000000-78h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251775089
20261111000000-78h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775092
20261111000000-81h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251775123
20261111000000-81h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775129
20261111000000-84h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251775239
20261111000000-84h-waef-ef-sfc.index11-11-2026 09:40142.19 Kbytes251775248
20261111000000-87h-waef-ef-sfc.grib211-11-2026 09:401.18 Gbytes251775236
20261111000000-87h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251775245
20261111000000-90h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251775225
20261111000000-90h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251775228
20261111000000-93h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251775450
20261111000000-93h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251775453
20261111000000-96h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251775429
20261111000000-96h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251775432
20261111000000-99h-waef-ef-sfc.grib211-11-2026 09:401.19 Gbytes251775487
20261111000000-99h-waef-ef-sfc.index11-11-2026 09:40142.2 Kbytes251775490
20261111000000-9h-waef-ef-sfc.grib211-11-2026 09:401.24 Gbytes251773157
20261111000000-9h-waef-ef-sfc.index11-11-2026 09:40141.59 Kbytes251773163
LICENCE.txt11-11-2026 09:40108 bytes251772728
README.txt11-11-2026 09:40226 bytes251772731
ECMWF Open Data Products: Terms of Use
Interface Help

A quick reference for the Data Portal interface.

Light / Dark theme

Click the  /  button in the top-right corner to switch between light and dark mode. Your preference is remembered across sessions.

Breadcrumb navigation

The bar below the header shows your current location (e.g. Home › folder › subfolder). Click any segment to jump directly to that level. The button on the right goes up one level.

Browsing files

Click a folder to navigate into it. Click a file to download it directly to your browser.

Search

Type in the Search files… box to filter the current directory listing in real time. The filter is case-insensitive and matches anywhere in the file name.

Page size

The selector next to the search box controls how many entries are shown per page. Use the pagination links at the bottom of the table to move between pages.

Column visibility

The dropdown lets you choose which columns are shown:
• Auto — hides columns automatically on narrow screens.
• All — always shows every column.
• Compact — hides the ID column.
• Custom — pick individual columns with checkboxes.

Sorting

Click any column header to sort the listing. Click again to reverse the order. A third click removes the sort.

Session badge

The badge next to the Traffic button shows the number of active protocol sessions (HTTPS, S3, FTP, SFTP/SCP) for your account vs. the configured maximum. A session is counted from authentication and released when it ends; short-lived operations such as individual S3 API calls open and close quickly, so the counter may fluctuate. The value is always at least 1 while you are logged in. The badge turns yellow when capacity is nearly reached and red when the limit is hit — new connections will be refused until an existing one closes.

Traffic

Click the Traffic button to open a chart showing active connections and upload/download rates for your account over the last 24 hours (times in UTC). Use it to identify quieter periods when the portal has less contention and transfers are likely to be faster.

Access Guide

Click the Access Guide button to open connection instructions for all available protocols (HTTPS, S3, FTP, SFTP/SCP). Each card provides ready-to-use commands with a copy button.

HTTPS:
S3:
FTP: :
SFTP: :22
Notice banners

Blue information banners and orange warning banners may appear above or below the file listing. These are messages set by the system administrator — read them before downloading.

About

Click the icon at the right end of the breadcrumb bar to open the About panel for version and build information.