Answer: The latest World Magnetic Model is WMM2025, released on December 17, 2024, and it will remain valid until late 2029.
Status: Confirmed
Entry: science/world-magnetic-model
Revision: 1
Digest: sha256:b6eeeebe5f36935a (changes whenever the content changes)

Timeline:
  Created: 2026-11-12T10:37:11Z
  Last changed: 2026-11-12T10:37:11Z
  Last verified: 2026-11-12T11:34:18Z
  Next check: 2026-11-19T11:34:18Z
  Check interval: Weekly
  Expected change: No fixed schedule

Data:
  Field | Value | Source | As of
  Model version | WMM2025 | [1] | 2026-11-12
  Release date | December 17, 2024 | [1] | 2026-11-12
  Validity end | late 2029 | [1] | 2026-11-12
  Expiration date | December 31, 2029 | [1] | 2026-11-12
  Superseded model | WMM2020 | [1] | 2026-11-12

Sources:
  [1] NOAA NCEI. "World Magnetic Model (WMM) | National Centers for Environmental Information (NCEI)". https://www.ncei.noaa.gov/products/world-magnetic-model
      Role: primary. Accessed: 2026-11-12T11:34:18Z
      Quote: "The current version (WMM2025) was released on December 17, 2024, and will remain valid until late 2029." (Supports: Model version, Release date, Validity end)
      Quote: "The model is produced at 5-year intervals, and the current model expires on December 31, 2029." (Supports: Expiration date)
      Quote: "WMM2025 supersedes WMM2020 and should replace this model in navigation systems." (Supports: Superseded model)
      Published: 2026-11-12T07:53:07Z
      Snapshot SHA-256: ddd046d4f518a9131afa431804319304d6569ece67214a468337569c2214f9cb (captured 2026-11-12T10:37:11Z)

Verification:
  Method: Automated extraction from [1] with deepseek-flash (JSON output, thinking disabled). Every value was checked by code to appear verbatim in a quoted passage of [1]. On this check the text of [1] was unchanged since 2026-11-12T10:37:11Z, so the values verified then were kept.
  Cross-check: not-available at 2026-11-12T11:34:18Z. No independent second source is configured for this entry
  Last successful check: 2026-11-12T11:34:18Z
  Last attempt: 2026-11-12T11:34:18Z

Notes and limitations:
  Extracted automatically from a single official source.

Change log:
  Time | Event | Change | Source
  2026-11-12T10:37:11Z | added | Entry created | —
  Changes for this entry as a feed: https://latestn.com/science/world-magnetic-model/latest

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  Form: https://latestn.com/dispute/science/world-magnetic-model
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How to cite:
    latestN. (2026). What is the latest World Magnetic Model? Revision 1, last verified 2026-11-12T11:34:18Z. https://latestn.com/science/world-magnetic-model (accessed 2026-11-12T12:52:56Z).

    @misc{latestN_science_world_magnetic_model_r1,
      title        = {What is the latest World Magnetic Model?},
      author       = {{latestN}},
      year         = {2026},
      howpublished = {\url{https://latestn.com/science/world-magnetic-model}},
      note         = {Revision 1; digest sha256:b6eeeebe5f36935a; last verified 2026-11-12T11:34:18Z; accessed 2026-11-12T12:52:56Z}
    }

URL: https://latestn.com/science/world-magnetic-model