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
20261104060000-0h-waef-ef.grib204-11-2026 13:04257.49 Mbytes250455620
20261104060000-0h-waef-ef.index04-11-2026 13:04140.58 Kbytes250455623
20261104060000-102h-waef-ef.grib204-11-2026 13:04256.38 Mbytes250457101
20261104060000-102h-waef-ef.index04-11-2026 13:04141.85 Kbytes250457108
20261104060000-105h-waef-ef.grib204-11-2026 13:04256.42 Mbytes250457643
20261104060000-105h-waef-ef.index04-11-2026 13:04141.86 Kbytes250457646
20261104060000-108h-waef-ef.grib204-11-2026 13:04256.67 Mbytes250457416
20261104060000-108h-waef-ef.index04-11-2026 13:04141.85 Kbytes250457423
20261104060000-111h-waef-ef.grib204-11-2026 13:04256.79 Mbytes250458139
20261104060000-111h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458148
20261104060000-114h-waef-ef.grib204-11-2026 13:04256.98 Mbytes250458173
20261104060000-114h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458176
20261104060000-117h-waef-ef.grib204-11-2026 13:04257.12 Mbytes250458280
20261104060000-117h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458287
20261104060000-120h-waef-ef.grib204-11-2026 13:04257.08 Mbytes250458218
20261104060000-120h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458221
20261104060000-123h-waef-ef.grib204-11-2026 13:04257.02 Mbytes250458254
20261104060000-123h-waef-ef.index04-11-2026 13:04141.86 Kbytes250458260
20261104060000-126h-waef-ef.grib204-11-2026 13:04256.59 Mbytes250458320
20261104060000-126h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458323
20261104060000-129h-waef-ef.grib204-11-2026 13:04256.43 Mbytes250458349
20261104060000-129h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458352
20261104060000-12h-waef-ef.grib204-11-2026 13:04258.86 Mbytes250455918
20261104060000-12h-waef-ef.index04-11-2026 13:04141.22 Kbytes250455921
20261104060000-132h-waef-ef.grib204-11-2026 13:04256.05 Mbytes250458341
20261104060000-132h-waef-ef.index04-11-2026 13:04141.86 Kbytes250458344
20261104060000-135h-waef-ef.grib204-11-2026 13:04255.18 Mbytes250458417
20261104060000-135h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458423
20261104060000-138h-waef-ef.grib204-11-2026 13:04254.68 Mbytes250458387
20261104060000-138h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458393
20261104060000-141h-waef-ef.grib204-11-2026 13:04254.62 Mbytes250458501
20261104060000-141h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458504
20261104060000-144h-waef-ef.grib204-11-2026 13:04254.32 Mbytes250458471
20261104060000-144h-waef-ef.index04-11-2026 13:04141.85 Kbytes250458474
20261104060000-15h-waef-ef.grib204-11-2026 13:04259.26 Mbytes250455973
20261104060000-15h-waef-ef.index04-11-2026 13:04141.22 Kbytes250455976
20261104060000-18h-waef-ef.grib204-11-2026 13:04259.35 Mbytes250455950
20261104060000-18h-waef-ef.index04-11-2026 13:04141.22 Kbytes250455953
20261104060000-21h-waef-ef.grib204-11-2026 13:04259.25 Mbytes250456085
20261104060000-21h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456088
20261104060000-24h-waef-ef.grib204-11-2026 13:04258.82 Mbytes250456014
20261104060000-24h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456020
20261104060000-27h-waef-ef.grib204-11-2026 13:04257.84 Mbytes250456041
20261104060000-27h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456045
20261104060000-30h-waef-ef.grib204-11-2026 13:04258.03 Mbytes250456033
20261104060000-30h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456036
20261104060000-33h-waef-ef.grib204-11-2026 13:04259.41 Mbytes250456282
20261104060000-33h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456288
20261104060000-36h-waef-ef.grib204-11-2026 13:04259.61 Mbytes250456316
20261104060000-36h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456319
20261104060000-39h-waef-ef.grib204-11-2026 13:04259.33 Mbytes250456307
20261104060000-39h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456310
20261104060000-3h-waef-ef.grib204-11-2026 13:04257.1 Mbytes250455751
20261104060000-3h-waef-ef.index04-11-2026 13:04140.58 Kbytes250455760
20261104060000-42h-waef-ef.grib204-11-2026 13:04259.12 Mbytes250456273
20261104060000-42h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456276
20261104060000-45h-waef-ef.grib204-11-2026 13:04259.21 Mbytes250456340
20261104060000-45h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456343
20261104060000-48h-waef-ef.grib204-11-2026 13:04259.2 Mbytes250456366
20261104060000-48h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456375
20261104060000-51h-waef-ef.grib204-11-2026 13:04259.17 Mbytes250456531
20261104060000-51h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456534
20261104060000-54h-waef-ef.grib204-11-2026 13:04259.06 Mbytes250456492
20261104060000-54h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456495
20261104060000-57h-waef-ef.grib204-11-2026 13:04258.7 Mbytes250456597
20261104060000-57h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456600
20261104060000-60h-waef-ef.grib204-11-2026 13:04258.7 Mbytes250456578
20261104060000-60h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456581
20261104060000-63h-waef-ef.grib204-11-2026 13:04258.32 Mbytes250456634
20261104060000-63h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456637
20261104060000-66h-waef-ef.grib204-11-2026 13:04258.19 Mbytes250456678
20261104060000-66h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456681
20261104060000-69h-waef-ef.grib204-11-2026 13:04258.09 Mbytes250456763
20261104060000-69h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456766
20261104060000-6h-waef-ef.grib204-11-2026 13:04256.56 Mbytes250455754
20261104060000-6h-waef-ef.index04-11-2026 13:04140.58 Kbytes250455763
20261104060000-72h-waef-ef.grib204-11-2026 13:04257.94 Mbytes250456729
20261104060000-72h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456732
20261104060000-75h-waef-ef.grib204-11-2026 13:04257.93 Mbytes250456932
20261104060000-75h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456941
20261104060000-78h-waef-ef.grib204-11-2026 13:04257.9 Mbytes250456814
20261104060000-78h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456818
20261104060000-81h-waef-ef.grib204-11-2026 13:04258.37 Mbytes250456992
20261104060000-81h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456998
20261104060000-84h-waef-ef.grib204-11-2026 13:04258.05 Mbytes250456949
20261104060000-84h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456952
20261104060000-87h-waef-ef.grib204-11-2026 13:04257.68 Mbytes250457005
20261104060000-87h-waef-ef.index04-11-2026 13:04141.22 Kbytes250457011
20261104060000-90h-waef-ef.grib204-11-2026 13:04257.41 Mbytes250456969
20261104060000-90h-waef-ef.index04-11-2026 13:04141.22 Kbytes250456972
20261104060000-93h-waef-ef.grib204-11-2026 13:04256.94 Mbytes250457069
20261104060000-93h-waef-ef.index04-11-2026 13:04141.22 Kbytes250457076
20261104060000-96h-waef-ef.grib204-11-2026 13:04256.71 Mbytes250457046
20261104060000-96h-waef-ef.index04-11-2026 13:04141.22 Kbytes250457049
20261104060000-99h-waef-ef.grib204-11-2026 13:04256.57 Mbytes250457225
20261104060000-99h-waef-ef.index04-11-2026 13:04141.22 Kbytes250457228
20261104060000-9h-waef-ef.grib204-11-2026 13:04256.11 Mbytes250455885
20261104060000-9h-waef-ef.index04-11-2026 13:04140.58 Kbytes250455888
LICENCE.txt04-11-2026 13:04108 bytes250455629
README.txt04-11-2026 13:04226 bytes250455635
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.