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 84°F
/ Low 72°F
Clear sky
Feels like
High 88°F • Low 74°F
Wind
9 mph (gust 12 mph)
Humidity
58%
Probability of Precipitation
100%
Cloud cover
0%
Sunrise / Sunset
6:22 AM • 6:17 PM
Other ships at location:
none
4,947 total passengers
Day 2
Sunday Mar. 29, 2026
Clear sky
Santos, Brazil
High 79°F
/ Low 71°F
Clear sky
Feels like
High 79°F • Low 76°F
Wind
7 mph (gust 7 mph)
Humidity
68%
Probability of Precipitation
0%
Cloud cover
1%
Sunrise / Sunset
6:12 AM • 6:07 PM
Other ships at location:
MSC Preziosa
8,449 total passengers
Day 3
Monday Mar. 30, 2026
Overcast clouds
Ilhabela, São Sebastião Island, Brazil
High 76°F
/ Low 70°F
Overcast clouds
Feels like
High 76°F • Low 74°F
Wind
10 mph (gust 14 mph)
Humidity
70%
Probability of Precipitation
0%
Cloud cover
30%
Sunrise / Sunset
6:08 AM • 6:02 PM
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 72°F
/ Low 69°F
Moderate rain
Feels like
High 73°F • Low 72°F
Wind
6 mph (gust 8 mph)
Humidity
95%
Probability of Precipitation
100%
Cloud cover
100%
Sunrise / Sunset
6:23 AM • 6:12 PM
Other ships at location:
none
4,947 total passengers
Weather data provided by OpenWeather