Costa Diadema

About this ship

The Costa Diadema is a grand cruise ship in the Costa fleet, accommodating approximately 4,947 passengers. It is renowned for its elegant design, diverse dining options, and vibrant entertainment, making it ideal for families and social travelers. A distinctive feature is its stunning panoramic lounge that offers breathtaking sea views.

Barcelona to Savona • 2 nights • Departs Oct. 31, 2026

Current Location Future Locations Local Time at Ports Packing List

Unlock 16-Day + Sea Day Forecast

Units: Imperial Metric

Cruise Weather Brief

Day 1

Saturday Oct. 31, 2026

Barcelona, Catalonia, Spain

Port Guide

Weather forecast available on Oct. 16, 2026 for Cruise Outlook Premium users and on Oct. 24, 2026 for free users.

Other ships at location: Royal Caribbean Explorer Of The Seas, MSC Grandiosa, MSC Euribia, Princess Sun Princess

24,995 total passengers

Day 2

Sunday Nov. 1, 2026

Marseille, France

Port Guide

Weather forecast available on Oct. 17, 2026 for Cruise Outlook Premium users and on Oct. 25, 2026 for free users.

Other ships at location: Royal Caribbean Brilliance Of The Seas, Seabourn Sojourn, Costa Smeralda, MSC Opera, MSC Euribia

22,147 total passengers

Day 3

Monday Nov. 2, 2026

Savona, Italy

Port Guide

Weather forecast available on Oct. 18, 2026 for Cruise Outlook Premium users and on Oct. 26, 2026 for free users.

Other ships at location: none

4,947 total passengers

Weather data provided by OpenWeather

Back to Reports