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.

Itajaí to Itajaí • 3 nights • Departs Dec. 16, 2026

Units: Imperial Metric

Cruise Weather Brief

Day 1
Wednesday Dec. 16, 2026
Itajaí, Brazil

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Weather forecast available on Dec. 2, 2026 for Premium users and on Dec. 9, 2026 for free users.

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Other ships at location: none
4,947 total passengers
Day 2
Thursday Dec. 17, 2026
Santos, Brazil
Port Guide

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Weather forecast available on Dec. 3, 2026 for Premium users and on Dec. 10, 2026 for free users.

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Other ships at location: MSC Musica
7,497 total passengers
Day 3
Sea Day
Friday Dec. 18, 2026
At Sea: Santos, Brazil → Itajaí, Brazil

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Weather forecast available on Friday December 4, 2026 for Premium users.

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Day 4
Saturday Dec. 19, 2026
Itajaí, Brazil

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Weather forecast available on Dec. 5, 2026 for Premium users and on Dec. 12, 2026 for free users.

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Other ships at location: none
4,947 total passengers

Weather data provided by Visual Crossing