5-Night Cruise on Margaritaville At Sea IslanderKey West and Progreso - Weather

Departing Tampa, Florida on December 5, 2026, the Margaritaville At Sea Cruises ship Margaritaville At Sea Islander runs this 5-night Key West and Progreso sailing. The route makes 4 scheduled stops. Travelers sailing in December can generally expect cooler, off-season conditions. Ports of call include Tampa, Florida, Key West, Florida, Progreso, Mexico, with 1 more along the way. Scroll the daily outlook below to pack smart for every port of call.

1. Day 1 — Saturday, Dec 5, 2026 — Tampa, Florida

   Tampa, Florida is a scheduled port of call on day 1 of the 5-night Key West and Progreso cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 76°F.

2. Day 2 — Sunday, Dec 6, 2026 — Key West, Florida

   Key West, Florida is a scheduled port of call on day 2 of the 5-night Key West and Progreso cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 77°F.

3. Day 3 — Tuesday, Dec 8, 2026 — Progreso, Mexico

   Progreso, Mexico is a scheduled port of call on day 3 of the 5-night Key West and Progreso cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 85°F.

4. Day 4 — Thursday, Dec 10, 2026 — Tampa, Florida

   Tampa, Florida is a scheduled port of call on day 4 of the 5-night Key West and Progreso cruise on Margaritaville At Sea Islander. Expected weather: partially cloudy with highs near 76°F.