23°39'S / 43°38'E / Altitud 0 m / 23:37 09/09/2026, Indian/Antananarivo (UTC+3)
del: 06/09/2026, 06:00
a: 10/09/2026, 00:00
Rough to very rough seas will affect the coastal navigation zone between Morombe and Vohipeno due to a southerly swell. Significant wave heights will be around 3–4 m, reaching 4.5 m along the south-western coasts.
del: 08/09/2026, 00:00
a: 11/09/2026, 00:00
Strong winds are affecting the south-western and south coasts of the island, between Morombe and Taolagnaro. Wind speeds of up to 55 km/h are expected.
del: 08/09/2026, 03:00
a: 11/09/2026, 00:00
Rough seas will affect the coastal navigation zone between Besalampy and Cap d'Ambre due to a southerly swell. Significant wave heights will be around 2.5–3 m, reaching 4–5 m between Morombe and Taolagnaro.