Ocean Data Day

Coastal Data for a Strong EconomyJune 25, 2026 From the cold waters of the Arctic to the tropical Pacific Islands to the world’s largest system of freshwater lakes, U.S. regions are incredibly diverse – and so are the economies they support. Coastal and Great Lakes industries generate billions in economic activity and support millions of… Read More

Congressional Leaders Recognized for Strengthening Ocean Intelligence that Supports America’s Seafood Economy

Media ContactKristen Yarincik, Executive Director, IOOS Associationkristen@ioosassociation.org Washington, DC, June 24, 2026 — America’s recreational fishing and seafood industries support $319 billion in economic activity and 2.1 million jobs nationwide. Together, they strengthen coastal economies, sustain working waterfronts, support small businesses, and help feed communities across the country. Yet operating in dynamic coastal environments requires… Read More

Marine heatwave Bulletin Forecasts for June 13, 2026​ – Reposted from Mercator Ocean International

Global Ocean North Atlantic The marine heatwaves in the Gulf of Mexico and northeast of the Caribbean are decreasing in both area and intensity.   South Atlantic The marine heatwave located at the centre of the basin is decreasing both in area and intensity.  North Pacific The marine heatwave near 180°W and 50°N is expanding in area and intensity,… Read More SST GLOBAL JUNE 13,2026

Outlook of 2026 Sargassum blooms May 31, 2026 by the University of South Florida Optical Oceanography Lab

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 the month of May 2026, with warm colors representing higher abundance. The top color (red) indicates that 0.4% of the ocean surface is… Read More Sargasso May 2026

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 SST World May 30-2026

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 Sargasso map April 2026