Outlook of Sargassum Blooms – April 30, 2026

A perspective for the Caribbean Sea and Gulf of America* by the University of South Florida Optical Oceanography Lab – (bbarnes4@usf.edu, yuyuan@usf.edu, huc@usf.edu) The map above illustrates the average Sargassum abundance for April 2026, with warmer colors indicating higher concentrations. The highest level (red) represents about 0.4% coverage of the ocean surface, meaning Sargassum clumps… Read More Sargasso map April 2026

Marine heatwave Bulletin Forecasts for May 2, 2026​ – Reposted from Mercator Ocean

Global Ocean North Atlantic The marine heatwave in the center of the basin around 30°N is decreasing in both area and intensity, with only a few scattered areas of moderate intensity remaining.  South Atlantic A moderate marine heatwave is developing near the equator. The marine heatwave near 15°S is decreasing in both area and intensity, with only a few… Read More

Marine heatwave Bulletin Forecasts for April 18, 2026​ – Reposted from Mercator Ocean

GLOBAL OCEAN North Atlantic The marine heatwave in the centre of the basin remains stable in terms of coverage and intensity, with only a few scattered areas classified as moderate and locally strong.  South Atlantic The marine heatwave off the coast of West Africa, extending from the equator to 30°S across the eastern half of the basin, remains generally stable in terms… Read More SST Global April 18 2026

Outlook of Sargassum Blooms – March 31, 2026

A perspective for the Caribbean Sea and Gulf of America* by the University of South Florida Optical Oceanography Lab – (bbarnes4@usf.edu, yuyuan@usf.edu, huc@usf.edu) The map above shows the average Sargassum abundance for March 2026, with warmer colors indicating higher concentrations. The highest level (red) represents about 0.4% of the ocean surface covered by Sargassum, meaning… Read More sargasso map march 2026