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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. 21, 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. 21, 2026
Clear sky
Itajaí, Brazil
Sea Conditions Temperature Trend
High 29°C / Low 22°C
Clear sky
Feels like
High 31°C • Low 23°C
Wind
18 km/h (gust 26 km/h)
Humidity
56%
Probability of Precipitation
20%
Cloud cover
0%
Sunrise / Sunset
06:18 • 18:25
Other ships at location: none
4,947 total passengers
Day 2
Sunday Mar. 22, 2026
Clear sky
Santos, Brazil
Sea Conditions Temperature Trend Port Guide
High 26°C / Low 21°C
Clear sky
Feels like
High 26°C • Low 23°C
Wind
10 km/h (gust 13 km/h)
Humidity
72%
Probability of Precipitation
0%
Cloud cover
4%
Sunrise / Sunset
06:09 • 18:14
Other ships at location: Celebrity Equinox, MSC Preziosa
11,299 total passengers
Day 3
Sea Day
Monday Mar. 23, 2026
At Sea: Santos, Brazil → Buenos Aires, Argentina
Sea Conditions Temperature Trend

Weather forecast for days at sea available now for Cruise Outlook Premium users.

Day 4
Sea Day
Tuesday Mar. 24, 2026
At Sea: Santos, Brazil → Buenos Aires, Argentina
Sea Conditions Temperature Trend

Weather forecast for days at sea available now for Cruise Outlook Premium users.

Day 5
Wednesday Mar. 25, 2026
Light rain
Buenos Aires, Argentina
Temperature Trend Port Guide
High 22°C / Low 17°C
Light rain
Feels like
High 18°C • Low 19°C
Wind
26 km/h (gust 51 km/h)
Humidity
90%
Probability of Precipitation
100%
Cloud cover
100%
Sunrise / Sunset
07:00 • 18:58
Other ships at location: none
4,947 total passengers
Day 6
Thursday Mar. 26, 2026
Montevideo, Uruguay
Port Guide

Weather forecast available now for Cruise Outlook Premium users and on Mar. 19, 2026 for free users.

Other ships at location: none
4,947 total passengers
Day 7
Sea Day
Friday Mar. 27, 2026
At Sea: Montevideo, Uruguay → Itajaí, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Mar. 20, 2026 for free users.

Day 8
Saturday Mar. 28, 2026
Itajaí, Brazil

Weather forecast available now for Cruise Outlook Premium users and on Mar. 21, 2026 for free users.

Other ships at location: none
4,947 total passengers

Weather data provided by OpenWeather

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