7-Night Cruise on Norwegian PrimaCaribbean Round-Trip San Juan: St. Thomas & Tortola - Weather

The Norwegian Prima sails a 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola itinerary with Norwegian Cruise Line (NCL), departing San Juan, Puerto Rico on January 3, 2027. It's a classic Caribbean cruise. Travelers sailing in January can generally expect warm, sunny weather with gentle trade winds. Ports of call include San Juan, Puerto Rico, St Thomas, US Virgin Islands, Tortola, British Virgin Islands, with 3 more along the way. Use the day-by-day forecast below to plan what to pack for each stop.

1. Day 1 — Sunday, Jan 3, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 1 of the 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola cruise on Norwegian Prima. Expected weather: partially cloudy with highs near 79°F.

2. Day 2 — Monday, Jan 4, 2027 — St Thomas, US Virgin Islands

   St Thomas, US Virgin Islands is a scheduled port of call on day 2 of the 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola cruise on Norwegian Prima. Expected weather: partially cloudy with highs near 78°F.

3. Day 3 — Tuesday, Jan 5, 2027 — Tortola, British Virgin Islands

   Tortola, British Virgin Islands is a scheduled port of call on day 3 of the 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola cruise on Norwegian Prima. Expected weather: partially cloudy with highs near 78°F.

4. Day 4 — Wednesday, Jan 6, 2027 — At Sea

   Day 4 of 8 is a day at sea aboard Norwegian Prima, cruising between ports on the Caribbean Round-Trip San Juan: St. Thomas & Tortola itinerary.

5. Day 5 — Thursday, Jan 7, 2027 — Oranjestad, Aruba

   Oranjestad, Aruba is a scheduled port of call on day 5 of the 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola cruise on Norwegian Prima. Expected weather: partially cloudy with highs near 80°F.

6. Day 6 — Friday, Jan 8, 2027 — Willemstad, Curacao

   Willemstad, Curacao is a scheduled port of call on day 6 of the 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola cruise on Norwegian Prima. Expected weather: partially cloudy with highs near 79°F.

7. Day 7 — Saturday, Jan 9, 2027 — At Sea

   Day 7 of 8 is a day at sea aboard Norwegian Prima, cruising between ports on the Caribbean Round-Trip San Juan: St. Thomas & Tortola itinerary.

8. Day 8 — Sunday, Jan 10, 2027 — San Juan, Puerto Rico

   San Juan, Puerto Rico is a scheduled port of call on day 8 of the 7-night Caribbean Round-Trip San Juan: St. Thomas & Tortola cruise on Norwegian Prima. Expected weather: partially cloudy with highs near 79°F.