Costa Cruises · 4 nights
Costa Diadema weather: 4-night cruise from Itajaí, November 28, 2026
The Costa Diadema (Costa Cruises) leaves Itajaí on November 28, 2026 for a 4-night cruise, with stops in Santos (Sao Paulo) and Ilhabela. It returns to Itajaí on December 2, 2026. Typical afternoon highs along the route run from 78°F to 82°F (26°C to 28°C), and 1 day is at sea, where seas are typically slight (around 4 ft).
Open the interactive forecast for this sailing
This page shows typical conditions for these dates. The interactive forecast adds a live day-by-day forecast, wave heights and weather alerts as the sailing gets closer.
Day-by-day itinerary and typical weather
| Day | Port | High / low | Rain days | Wind | Typical seas |
|---|---|---|---|---|---|
| Day 1Sat, Nov 28 | Itajaí Embark | 78 / 67°F26 / 19°C | 63% | 11 mph18 km/h | – |
| Day 2Sun, Nov 29 | Santos (Sao Paulo) | 81 / 70°F27 / 21°C | 52% | 10 mph16 km/h | – |
| Day 3Mon, Nov 30 | Ilhabela | 82 / 69°F28 / 21°C | 62% | 8 mph13 km/h | – |
| Day 4Tue, Dec 1 | At sea | 83 / 71°F28 / 22°C | 56% | 7 mph11 km/h | 4 ft (1.2 m)Slight; rougher days up to 6 ft |
| Day 5Wed, Dec 2 | Itajaí Disembark | 81 / 70°F27 / 21°C | 54% | 11 mph17 km/h | – |
Seas are significant wave height, the average of the highest third of waves, on the Douglas sea state scale. What that means on board.
Ports on this cruise
More Costa Diadema sailings
This is the last scheduled sailing we have for this ship.