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 28°C / Low 21°C

Light rain

Feels like

High 29°C • Low 24°C

Wind

14 km/h (gust 13 km/h)

Humidity

62%

Probability of Precipitation

100%

Cloud cover

34%

Sunrise / Sunset

06:11 • 18:40

Other ships at location: none

4,947 total passengers

Day 2

Sunday Mar. 8, 2026

Santos, Brazil

Temperature Trend Port Guide

High 29°C / Low 23°C

Light rain

Feels like

High 32°C • Low 26°C

Wind

8 km/h (gust 10 km/h)

Humidity

63%

Probability of Precipitation

93%

Cloud cover

100%

Sunrise / Sunset

06:03 • 18:28

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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