A ridge of high pressure prevails across the South Indian Ocean, mostly between 32S and 42S latitudes. Far to the south, an intense 948mb low near 57S/19E is moving eastward and weakening. Post-Tropical Cyclone Batsirai is now well south of Madagascar (near 36S/43E) and is accelerating southeastward.
Indian Ocean Surface chart via windy.com
North of the ridge winds/seas mainly easterly forces 3-5 while south of the ridge westerlies prevail forces 5-7. A tropical cyclone may be forming near 17S/105E.
Tropical Cyclone Formation – Image via JTWC
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About Fred Pickhardt
I am a marine meteorologist and sailed briefly with American Export Lines in the Far East trade after graduating from State University of New York Maritime College. I have extensive experience in weather analysis, weather forecasting, optimum ship routing, vessel performance evaluations and forensic weather event reconstructions. I founded Ocean Weather Services and as Owner and Chief Consultant currently provide optimum ship routing services and forensic marine weather reports to the maritime industry.