
Plan Your Cruise With Free Weather Forecasts
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Loading Travel Forecast…Departing La Romana, Dominican Republic on December 29, 2026, the Marella Cruises ship Marella Discovery runs this 7-night Tropical Isles sailing. It's a classic Caribbean cruise. Travelers sailing in December can generally expect warm, sunny weather with gentle trade winds. Ports of call include La Romana, Dominican Republic, San Juan, Puerto Rico, St Thomas, US Virgin Islands, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.
La Romana, Dominican Republic is a scheduled port of call on day 1 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 82°F.
San Juan, Puerto Rico is a scheduled port of call on day 2 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 79°F.
St Thomas, US Virgin Islands is a scheduled port of call on day 3 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 78°F.
St Croix, US Virgin Islands is a scheduled port of call on day 4 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 79°F.
Ponce, Puerto Rico is a scheduled port of call on day 5 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 80°F.
Catalina Island, Dominican Republic is a scheduled port of call on day 6 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 79°F.
La Romana, Dominican Republic is a scheduled port of call on day 7 of the 7-night Tropical Isles cruise on Marella Discovery. Expected weather: partially cloudy with highs near 82°F.
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La Romana, Dominican Republic
Most PopularHip Hop adult only Party Boat with Unlimited drinks& sand-bar
From $65
Book Now
Budget PickPunta Cana ATV and Buggy Adventure with Exclusive Visits
From $25
Book NowPowered by Viator/Tripadvisor. Booking through our links may earn us a commission keeping this site free at no cost to you.