🧊Global sea ice update
#Antarctic sea ice:
🔵 Reached its annual minimum on 25 Feb 2026
🔵 Covered 2.36 million km², close to the long-term average
The #MercatorOcean Bulletin includes updates on #Arctic ice conditions for the same period⬇️
www.mercator-ocean.eu/bulletin/sea...
📢 #MercatorOcean #MarineHeatwave Bulletin
10-day forecast:
🔵 In the #Mediterranean, the #MHW in the western basin decreases while increasing in the eastern basin
🔵 The #MHW off #Australia persists, with intensifying conditions north of #NewZealand
🔗 www.mercator-ocean.eu/bulletin/mar...
📢 #MercatorOcean #MarineHeatwave bulletin – 1 Nov:
🔵 The marine heatwave affecting the #Caribbean Sea has almost completely disappeared
🔵 In the #Pacific, the #MHW from the #Philippines to #Indonesia is intensifying, reaching severe categories
More at: www.mercator-ocean.eu/bulletin/mar...
📢 #MercatorOcean #MarineHeatwave bulletin - 25 October:
🔵The #MHW in the Gulf of #Mexico & #Caribbean Sea is now easing, with mostly moderate conditions remaining
🔵A marine heatwave is developing off the coast of #Chile, in the south #Pacific
More at: www.mercator-ocean.eu/bulletin/mar...
📢 #MercatorOcean #MarineHeatwave update - 18 October 2025:
🔵 In the #Mediterranean, conditions remain stable, with only moderate MHW categories in the west
🔵 In the #Atlantic, strong #MHW conditions persist in the Gulf of #Mexico & the #Caribbean Sea
🔗 www.mercator-ocean.eu/bulletin/mar...
📢 #MercatorOcean Marine Heatwave (#MHW) Bulletin - 11 October
🔵The marine heatwaves affecting the #Mediterranean Sea are decreasing in extent & intensity📉
🔵A marine heatwave is developing in the Indian Ocean, reaching locally extreme categories📈
🔗 www.mercator-ocean.eu/bulletin/mar...
🚨New #MercatorOcean Sea Ice Bulletin released!
Our experts report that #Antarctic sea ice:
🔵Reached the 3⃣rd lowest maximum extent on record
🔵Covered 17.31 million km², 8% below average
The bulletin also includes an update on #Arctic sea ice ⬇️
🔗 www.mercator-ocean.eu/bulletin/sea...
📢 #MercatorOcean Ocean Temperature Bulletin
⚠️June 2025 was the warmest June on record for the #Mediterranean Sea, with a mean sea surface temperature of 23.86°C
➡️ Almost 30% of the basin was 2°C above the average for this period
Read more: www.mercator-ocean.eu/bulletin/oce...
📢 #MercatorOcean Ocean Temperature Bulletin for May 2025
The #NorthAtlantic Ocean recorded its 3rd warmest May on record, with sea surface temperature anomalies exceeding +2°C southwest of the #UK 🌊🌡️
Read more details in our latest bulletin:
www.mercator-ocean.eu/bulletin/oce...
📢 #MercatorOcean Marine Heatwave Bulletin for 21 June
Our latest 🔟-day forecast indicates:
⬆️MHWs are intensifying in the #NorthAtlantic, the #BeringSea, and the #Mediterranean Sea
⬇️A MHW is dissipating in the #BayOfBengal
Read more: www.mercator-ocean.eu/bulletin/mar...
[1/4] Depuis 30 ans, l’océanographie opérationnelle est devenue un outil stratégique pour protéger l’Océan et gérer durablement ses ressources. #MercatorOcean, acteur clé, fédère science, innovation technologique et coopération internationale. #HGGSP #geography #OperationalOceanography
📢 #MercatorOcean Marine Heatwave Bulletin for 24 May
⬆️MHW's developing in the #Caribbean Sea & off the coast of #CentralAmerica
⬇️MHW decreasing in the #BayOfBengal
🔁MHW's stable in the #ArabianSea & east of #Madagascar
Read more in our bulletin: www.mercator-ocean.eu/en/mhw-bulle...
📢 #MercatorOcean Ocean Temperature Bulletin for April 2025
According to our latest data, the #Mediterranean Sea reached its 2nd warmest April on record, with an average sea surface temperature of 17°C🌊🌡️
Find out more in our latest bulletin: www.mercator-ocean.eu/en/ocean-tem...
📢 #MercatorOcean Marine Heatwave Bulletin for 10 May 🌊
Our latest forecast indicates:
⬆️MHW's intensifying in the west of #England, south of #Italy, & south of #Mexico
⬇️MHW's weakening in #Madagascar & #Australia
🔁MHW stable around #NewZealand
🔗 www.mercator-ocean.eu/en/mhw-bulle...
📢 #MercatorOcean Marine Heatwave Bulletin (3 May)
⬆️ MHW intensifying from northern #Portugal to the southern British Isles
⬇️ MHW weakening in the #BayOfBengal, #Madagascar, & #Australia
🔁MHW stable around #NewZealand
Read more: www.mercator-ocean.eu/en/mhw-bulle...
🌊 Registrations are OPEN for #MediaWorkshop 2025!
🗓️ June 6–8 | 📍Nice & Online
🎙️ 100+ presenters, 75+ countries, 1 mission: better climate-ocean storytelling.
🔗 digitaloceanpavilion.eu/content/forum-…
#FIMC2025 #OceanClimate #UNOC2025 #MercatorOcean
📢 #MercatorOcean Marine Heatwave Bulletin for 26 April
Our latest forecast indicates:
⬆️MHWs intensifying off the coasts of #Scotland, #Breton, and #Africa
⬇️MHWs decreasing in the #BayOfBengal, #ArabianSea, and #Mediterranean
Read more: www.mercator-ocean.eu/mhw-bulletin...
📢 #MercatorOcean Marine Heatwave Bulletin for 19 April
⬆️MHWs intensifying in the #NorthSea & western #Mediterranean
⬇️MHWs weakening in the #GulfOfMexico, #Caribbean, off the coast of #Brazil, #BayOfBengal, #ArabianSea & west of #Australia
Read more: www.mercator-ocean.eu/en/mhw-bulle...
🚨 #MercatorOcean #Arctic Maximum Extent 2025
Our latest data shows:
➡️ Arctic sea ice reached one of the lowest maximum extents on record
➡️ March 2025 saw a record low in winter sea ice
➡️ Sea ice volume hit a record low for this time of year
🔗 www.mercator-ocean.eu/en/sea-ice-b...
📢 #MercatorOcean Marine Heatwave (#MHW) Bulletin
The latest 10-day forecast indicates:
➡️ Increasing MHW in the Western #Mediterranean & North #Atlantic (European coast)
➡️ Decreasing MHW in the Tropical Atlantic, #ArabianSea, & #BayOfBengal
🔗 www.mercator-ocean.eu/en/mhw-bulle...
📢 #MercatorOcean Marine Heatwave (#MHW) Bulletin
The latest 10-day forecast indicates:
➡️ Intensifying MHW near #PapuaNewGuinea & #Indonesia
➡️ Decreasing MHW in the #ArabianSea, the #BayOfBengal, & #Mediterranean Sea
Read more: www.mercator-ocean.eu/en/mhw-bulle...
📢 #MercatorOcean Marine Heatwave (#MHW) Bulletin
The latest 10-day forecast indicates:
➡️ Weakening MHW in the #Mediterranean basin
➡️ Strengthening MHW west of the #GulfOfGuinea
➡️ Persisting MHW east of #Madagascar
Read more: www.mercator-ocean.eu/en/mhw-bulle...
#MOIRAI coordinator Denis Istrati, PhD, #NTUA, joined #SEACLIM in #Toulouse this week to start #collaboration with our sister project. Looking forward to working together in the years ahead. #MercatorOcean #ClimateModels #CopernicusMarineService Thanks to Tiago Garcia, +Atlantic, for the photos.
A great end to day 1 of Ocean Predict #OP24 introducing #OurOceanFromSpace - an exhibition exploring ocean dynamics from space. Kicked off by IOC Unesco
Exec Secretary Vidar Helgesen, Craig Donlon #ESA, Pierre Bahurel #MercatorOcean, Eric Chassignet #FSU. t.co/lD7z33DRd2
