Niño 3.4 monthly, OISST (CPC) — Forecast Context

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FORECASTCONTEXT.COM · THE LARGE-SCALE STATE BEHIND THE FORECAST BRIEFING MOTION OUTLOOK METHODS API ☀ AUTO

FORECAST CONTEXT

DATA THROUGH 2026-10-12 · UPDATED 2026-10-13 11:02 UTC

ERA5 + GFS2.5°DAILY

BriefingOfficial indicesOfficial · Oceans & ENSO

CPC_Nino34

Niño 3.4 monthly, OISST (CPC)

Monthly OISST v2.1 Niño 3.4 SST anomaly. — CPC · base 1991–2020