North Zone and North Center Updated: Thursday April 7th, 2022 April 7th, 2022 IFOPSea Level (SHOA), TSM (SHOA) y Turbulence (derived from data DMC). Sea Level, SST and Turbulence Anomalies. Biological by species GSI (IFOP), Biomass (IFOP), Fisheries Landings (SERNAPESCA).