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NHC Watches Three Atlantic Disturbances as One Sees Higher Odds

Forecasters warn that even brief development windows can produce hazardous seas or gusty winds for island and coastal communities.

Overview

  • The National Hurricane Center is monitoring three separate systems in the Atlantic: a non‑tropical low west of Portugal, Invest AL95 southeast of Bermuda, and a tropical wave expected off West Africa.
  • The center raised short‑term odds for the subtropical low near Bermuda with a 40% formation chance for the next 48 hours and similar odds through seven days, while the eastern wave’s seven‑day chance rose to about 50%.
  • The northeastern non‑tropical low near Portugal has little chance to become subtropical or tropical and is forecast to move onto the Iberian Peninsula with near‑zero seven‑day odds.
  • Model guidance and NHC forecasts generally show tracks that curve north or accelerate out of the basin, so forecasters say there is no immediate threat to the continental United States.
  • A persistent pressure pattern is already producing fresh to strong trade winds and rough seas, with waters in the south‑central Caribbean reported up to about 8–10 feet, creating marine hazards for ships, fisheries, and coastal communities.