Outlook of Sargassum Blooms – July 31, 2026

A perspective for the Caribbean Sea and Gulf of America by 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 July 2026, with warm colors representing higher abundance. The top color (red) indicates that 0.4% of the ocean surface is covered by… Read More Sargassum Outlook July 2026

Marine heatwave Bulletin Forecasts for July 25, 2026​ – Reposted from Mercator Ocean International

Global Ocean North Atlantic The marine heatwave extending from south of the British Isles and stretching across the Atlantic all the way to Florida, generally stable in area but is decreasing in intensity, with most areas now classified as moderate to strong. The marine heatwave in the Gulf of Mexico remains stable in intensity, with most areas still classified as moderate, but is… Read More Global SST July 25, 2026

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

GLOBAL OCEAN North Atlantic A marine heatwave spanning approximately 10° of latitude stretches from the coast of Florida to the central Atlantic around 30°W. Its intensity is increasing, with mostly strong and locally severe conditions. The marine heatwave in the Gulf of Mexico is decreasing in both intensity and area; a few moderate and strong categories remain in the northern… Read More SST GLOBAL JULY 18, 2026

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 SST World JUly 11 2026

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 sargasso outlook june 2026

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