Map: Atlantic Sea Surface Temperature Anomaly, August 23, 2017
Harvey intensified rapidly amid sea surface temperatures in the Gulf of Mexico up to 2.7 - 7.2°F (1.5 - 4°C) above average, relative to a 1961-1990 baseline.
NOAA/NCEP real-time, global, sea surface temperature (RTG_SST_HR) analysis homepage
August 23, 2017 SST anomaly map
Archive of all August 23, 2017 high resolution data
Archive of all SST high resolution data [Sept 28, 2012 - ]