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
20261104000000-0h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250374189
20261104000000-0h-waef-ef-sfc.index04-11-2026 09:40141.58 Kbytes250374195
20261104000000-102h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377189
20261104000000-102h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377192
20261104000000-105h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377320
20261104000000-105h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377327
20261104000000-108h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377378
20261104000000-108h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377385
20261104000000-111h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377350
20261104000000-111h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377353
20261104000000-114h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377310
20261104000000-114h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377313
20261104000000-117h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377539
20261104000000-117h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377542
20261104000000-120h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377456
20261104000000-120h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377461
20261104000000-123h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377580
20261104000000-123h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377583
20261104000000-126h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377824
20261104000000-126h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377827
20261104000000-129h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377975
20261104000000-129h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377981
20261104000000-12h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250375671
20261104000000-12h-waef-ef-sfc.index04-11-2026 09:40142.21 Kbytes250375677
20261104000000-132h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377842
20261104000000-132h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377848
20261104000000-135h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377711
20261104000000-135h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377714
20261104000000-138h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377705
20261104000000-138h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377708
20261104000000-141h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250377749
20261104000000-141h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377752
20261104000000-144h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250377663
20261104000000-144h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377672
20261104000000-150h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250377876
20261104000000-150h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250377882
20261104000000-156h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250377898
20261104000000-156h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250377905
20261104000000-15h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250376018
20261104000000-15h-waef-ef-sfc.index04-11-2026 09:40142.21 Kbytes250376027
20261104000000-162h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250378118
20261104000000-162h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378123
20261104000000-168h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250378080
20261104000000-168h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378083
20261104000000-174h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250378354
20261104000000-174h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378360
20261104000000-180h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250378262
20261104000000-180h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378268
20261104000000-186h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250378452
20261104000000-186h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378457
20261104000000-18h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250375629
20261104000000-18h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250375632
20261104000000-192h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250378607
20261104000000-192h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378613
20261104000000-198h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250378519
20261104000000-198h-waef-ef-sfc.index04-11-2026 09:40142.83 Kbytes250378525
20261104000000-204h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250378820
20261104000000-204h-waef-ef-sfc.index04-11-2026 09:40142.83 Kbytes250378823
20261104000000-210h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250378705
20261104000000-210h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250378712
20261104000000-216h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250379059
20261104000000-216h-waef-ef-sfc.index04-11-2026 09:40142.83 Kbytes250379066
20261104000000-21h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376271
20261104000000-21h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376276
20261104000000-222h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250379324
20261104000000-222h-waef-ef-sfc.index04-11-2026 09:40142.83 Kbytes250379330
20261104000000-228h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250379395
20261104000000-228h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250379399
20261104000000-234h-waef-ef-sfc.grib204-11-2026 09:401.19 Gbytes250379359
20261104000000-234h-waef-ef-sfc.index04-11-2026 09:40142.83 Kbytes250379365
20261104000000-240h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250379428
20261104000000-240h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250379431
20261104000000-240h-waef-ep-sfc.grib204-11-2026 10:0199.14 Mbytes250380679
20261104000000-240h-waef-ep-sfc.index04-11-2026 10:0116.26 Kbytes250380683
20261104000000-246h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250379557
20261104000000-246h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250379560
20261104000000-24h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250375714
20261104000000-24h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250375720
20261104000000-252h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250380136
20261104000000-252h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250380140
20261104000000-258h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250379721
20261104000000-258h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250379728
20261104000000-264h-waef-ef-sfc.grib204-11-2026 09:401.2 Gbytes250380223
20261104000000-264h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250380229
20261104000000-270h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250380447
20261104000000-270h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250380451
20261104000000-276h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250381335
20261104000000-276h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381342
20261104000000-27h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250375977
20261104000000-27h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250375980
20261104000000-282h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250381087
20261104000000-282h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381093
20261104000000-288h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250381193
20261104000000-288h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381200
20261104000000-294h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250381428
20261104000000-294h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381434
20261104000000-300h-waef-ef-sfc.grib204-11-2026 09:401.21 Gbytes250381575
20261104000000-300h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381583
20261104000000-306h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250381606
20261104000000-306h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381612
20261104000000-30h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250375885
20261104000000-30h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250375891
20261104000000-312h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250381890
20261104000000-312h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250381897
20261104000000-318h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250381683
20261104000000-318h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250381690
20261104000000-324h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250381959
20261104000000-324h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250381962
20261104000000-330h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250382040
20261104000000-330h-waef-ef-sfc.index04-11-2026 09:40142.84 Kbytes250382046
20261104000000-336h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250382096
20261104000000-336h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250382101
20261104000000-33h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376262
20261104000000-33h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376265
20261104000000-342h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250382052
20261104000000-342h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250382061
20261104000000-348h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250382156
20261104000000-348h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250382162
20261104000000-354h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250382241
20261104000000-354h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250382244
20261104000000-360h-waef-ef-sfc.grib204-11-2026 09:401.22 Gbytes250382371
20261104000000-360h-waef-ef-sfc.index04-11-2026 09:40142.85 Kbytes250382377
20261104000000-360h-waef-ep-sfc.grib204-11-2026 10:0161.65 Mbytes250379955
20261104000000-360h-waef-ep-sfc.index04-11-2026 10:018.15 Kbytes250379958
20261104000000-36h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376028
20261104000000-36h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376036
20261104000000-39h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376306
20261104000000-39h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376313
20261104000000-3h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250375550
20261104000000-3h-waef-ef-sfc.index04-11-2026 09:40141.58 Kbytes250375553
20261104000000-42h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376356
20261104000000-42h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376365
20261104000000-45h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376359
20261104000000-45h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376368
20261104000000-48h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376225
20261104000000-48h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376228
20261104000000-51h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376615
20261104000000-51h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376619
20261104000000-54h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376584
20261104000000-54h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376587
20261104000000-57h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376527
20261104000000-57h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376533
20261104000000-60h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376590
20261104000000-60h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376593
20261104000000-63h-waef-ef-sfc.grib204-11-2026 09:401.25 Gbytes250376740
20261104000000-63h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376746
20261104000000-66h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376642
20261104000000-66h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376645
20261104000000-69h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376703
20261104000000-69h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376709
20261104000000-6h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250375279
20261104000000-6h-waef-ef-sfc.index04-11-2026 09:40141.58 Kbytes250375282
20261104000000-72h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376946
20261104000000-72h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376952
20261104000000-75h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376872
20261104000000-75h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250376875
20261104000000-78h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250376997
20261104000000-78h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377003
20261104000000-81h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377061
20261104000000-81h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377064
20261104000000-84h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377012
20261104000000-84h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377021
20261104000000-87h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377096
20261104000000-87h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377102
20261104000000-90h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377142
20261104000000-90h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377148
20261104000000-93h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377121
20261104000000-93h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377124
20261104000000-96h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377235
20261104000000-96h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377244
20261104000000-99h-waef-ef-sfc.grib204-11-2026 09:401.24 Gbytes250377260
20261104000000-99h-waef-ef-sfc.index04-11-2026 09:40142.22 Kbytes250377263
20261104000000-9h-waef-ef-sfc.grib204-11-2026 09:401.23 Gbytes250375617
20261104000000-9h-waef-ef-sfc.index04-11-2026 09:40141.58 Kbytes250375622
LICENCE.txt04-11-2026 09:40108 bytes250374201
README.txt04-11-2026 09:40226 bytes250374207
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.