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Marine heatwave Bulletin Forecasts for May 30, 2026 – Reposted from Mercator Ocean International

Global Ocean North Atlantic The marine heatwave located at the centre of the ocean is decreasing both in intensity and area, and only some sparse areas of moderate to strong intensity remain.The marine heatwave located at the West of the Mexican Gulf is increasing in intensity. The marine heatwave affecting the Caribbean Sea is decreasing in intensity. South Atlantic The marine… Read More

Experimental Sargassum Inundation Risk (SIR v1.3) By the National Oceanic and Atmospheric Administration (NOAA), and the University of South Florida (USF) Status: May 11, 2026

Experimental Sargassum Inundation Risk (SIR v1.3) By the National Oceanic and Atmospheric Administration (NOAA), and the University of South Florida (USF) Status: May 4, 2026

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