Marine heatwave Bulletin Forecasts for July 11, 2026 – Reposted from Mercator Ocean International
GLOBAL OCEAN North Atlantic The marine heatwave extending from the Bay of Biscay along the northern coast of Spain to the waters off the Azores is expanding in area but remains stable in intensity. The marine heatwave in the North Sea is decreasing in both area and intensity, with only a few scattered areas remaining. The marine heatwave off the… Read More
Outlook of Sargassum blooms June 30, 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 June 2026, with warm colors representing higher abundance. The top color (red) indicates that 0.4% of the ocean surface is… Read More
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
Experimental Sargassum Inundation Risk (SIR v1.3) By the National Oceanic and Atmospheric Administration (NOAA), and the University of South Florida (USF) Status: June 21, 2026
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
Experimental Sargassum Inundation Risk (SIR v1.3) By the National Oceanic and Atmospheric Administration (NOAA), and the University of South Florida (USF) Status: June 9, 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
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
