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 • 7 nights • Departs Mar. 7, 2026

Current Location Future Locations Local Time at Ports Packing List

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Units: Imperial Metric

Cruise Weather Brief

Day 1

Saturday Mar. 7, 2026

Itajaí, Brazil

Sea Conditions Temperature Trend

High 80°F / Low 70°F

Light rain

Feels like

High 83°F • Low 75°F

Wind

6 mph (gust 11 mph)

Humidity

64%

Probability of Precipitation

68%

Cloud cover

75%

Sunrise / Sunset

6:11 AM • 6:40 PM

Other ships at location: none

4,947 total passengers

Day 2

Sunday Mar. 8, 2026

Santos, Brazil

Temperature Trend Port Guide

High 82°F / Low 73°F

Moderate rain

Feels like

High 85°F • Low 77°F

Wind

8 mph (gust 6 mph)

Humidity

69%

Probability of Precipitation

100%

Cloud cover

83%

Sunrise / Sunset

6:03 AM • 6:28 PM

Other ships at location: MSC Preziosa

8,449 total passengers

Day 3

Sea Day

Monday Mar. 9, 2026

At Sea: Santos, Brazil → Buenos Aires, Argentina

Weather forecast available now for Cruise Outlook Premium users and on Mar. 2, 2026 for free users.

Day 4

Sea Day

Tuesday Mar. 10, 2026

At Sea: Santos, Brazil → Buenos Aires, Argentina

Weather forecast available now for Cruise Outlook Premium users and on Mar. 3, 2026 for free users.

Day 5

Wednesday Mar. 11, 2026

Buenos Aires, Argentina

Port Guide

Weather forecast available now for Cruise Outlook Premium users and on Mar. 4, 2026 for free users.

Other ships at location: Viking Ocean Jupiter

5,877 total passengers

Day 6

Thursday Mar. 12, 2026

Montevideo, Uruguay

Weather forecast available now for Cruise Outlook Premium users and on Mar. 5, 2026 for free users.

Other ships at location: none

4,947 total passengers

Day 7

Sea Day

Friday Mar. 13, 2026

At Sea: Montevideo, Uruguay → Itajaí, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Mar. 6, 2026 for free users.

Day 8

Saturday Mar. 14, 2026

Itajaí, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Mar. 7, 2026 for free users.

Other ships at location: none

4,947 total passengers

Weather data provided by OpenWeather

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