Costa Diadema

About this ship

The Costa Diadema is a majestic cruise ship in the Costa fleet, accommodating approximately 4,947 passengers. Known for its elegant design and diverse onboard experiences, it features a stunning panoramic pool area and a unique "Café Illy" for coffee lovers, making it ideal for families and social travelers seeking relaxation and entertainment.

Itajaí to Itajaí • 4 nights • Departs Apr. 4, 2026

Current Location Future Locations Local Time at Ports Packing List

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Units: Imperial Metric

Cruise Weather Brief

Day 1

Saturday Apr. 4, 2026

Itajaí, Brazil

Temperature Trend

High 85°F / Low 69°F

Overcast clouds

Feels like

High 88°F • Low 75°F

Wind

10 mph (gust 15 mph)

Humidity

55%

Probability of Precipitation

Cloud cover

97%

Sunrise / Sunset

6:25 AM • 6:09 PM

Other ships at location: none

4,947 total passengers

Day 2

Sunday Apr. 5, 2026

Santos, Brazil

Port Guide

Weather forecast available now for Cruise Outlook Premium users and on Mar. 29, 2026 for free users.

Other ships at location: none

4,947 total passengers

Day 3

Monday Apr. 6, 2026

Ilhabela, São Sebastião Island, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Mar. 30, 2026 for free users.

Other ships at location: none

4,947 total passengers

Day 4

Sea Day

Tuesday Apr. 7, 2026

At Sea: Ilhabela, São Sebastião Island, Brazil → Itajaí, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Mar. 31, 2026 for free users.

Day 5

Wednesday Apr. 8, 2026

Itajaí, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Apr. 1, 2026 for free users.

Other ships at location: none

4,947 total passengers

Weather data provided by OpenWeather

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