December 2025 Global Marine Heatwaves Update

October 2025 Marine Heatwave Outlook
10/16/2025, 8:15 am EDT
January 2026 ENSO Outlook: La Nina ending next 1-3 months confidently forecast. Entering “springtime prediction barrier” indicates mid-to-late 2026 ENSO forecast uncertain.
01/08/2026, 3:45 pm EST