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 Mar. 28, 2026
Cruise Weather Brief
Day 1
Saturday Mar. 28, 2026
Clear sky
Itajaí, Brazil
High 29°C
/ Low 22°C
Clear sky
Feels like
High 31°C • Low 23°C
Wind
14 km/h (gust 19 km/h)
Humidity
58%
Probability of Precipitation
100%
Cloud cover
0%
Sunrise / Sunset
06:22 • 18:17
Other ships at location:
none
4,947 total passengers
Day 2
Sunday Mar. 29, 2026
Clear sky
Santos, Brazil
High 26°C
/ Low 22°C
Clear sky
Feels like
High 26°C • Low 24°C
Wind
11 km/h (gust 11 km/h)
Humidity
68%
Probability of Precipitation
0%
Cloud cover
1%
Sunrise / Sunset
06:12 • 18:07
Other ships at location:
MSC Preziosa
8,449 total passengers
Day 3
Monday Mar. 30, 2026
Overcast clouds
Ilhabela, São Sebastião Island, Brazil
High 24°C
/ Low 21°C
Overcast clouds
Feels like
High 24°C • Low 23°C
Wind
16 km/h (gust 23 km/h)
Humidity
70%
Probability of Precipitation
0%
Cloud cover
30%
Sunrise / Sunset
06:08 • 18:02
Other ships at location:
none
4,947 total passengers
Day 4
Sea Day
Tuesday Mar. 31, 2026
At Sea: Ilhabela, São Sebastião Island, Brazil → Itajaí, Brazil
Weather forecast for days at sea available now for Cruise Outlook Premium users.
Day 5
Wednesday Apr. 1, 2026
Moderate rain
Itajaí, Brazil
High 22°C
/ Low 21°C
Moderate rain
Feels like
High 23°C • Low 22°C
Wind
10 km/h (gust 13 km/h)
Humidity
95%
Probability of Precipitation
100%
Cloud cover
100%
Sunrise / Sunset
06:23 • 18:12
Other ships at location:
none
4,947 total passengers
Weather data provided by OpenWeather