Holland America Line · 15 nights
Oosterdam weather: 15-night cruise from San Antonio, December 4, 2026
The Oosterdam (Holland America Line) leaves San Antonio on December 4, 2026 for a 15-night cruise, with stops in Puerto Montt, Puerto Chacabuco, Bruggen (Pío XI) Glacier, Punta Arenas, Ushuaia, Cape Horn and 3 more. It ends in Buenos Aires on December 19, 2026. Typical afternoon highs along the route run from 47°F to 84°F (9°C to 29°C), and 6 days are at sea, where seas are typically rough (around 10 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 1Fri, Dec 4 | San Antonio Embark | 69 / 54°F21 / 12°C | 3% | 12 mph20 km/h | – |
| Day 2Sat, Dec 5 | At sea | 66 / 52°F19 / 11°C | 17% | 10 mph15 km/h | 4 ft (1.3 m)Moderate; rougher days up to 6 ft |
| Day 3Sun, Dec 6 | Puerto Montt | 62 / 49°F17 / 10°C | 31% | 13 mph21 km/h | – |
| Day 4Mon, Dec 7 | Puerto Chacabuco | 65 / 46°F18 / 8°C | 46% | 7 mph12 km/h | – |
| Day 5Tue, Dec 8 | Bruggen (Pío XI) Glacier | 51 / 40°F11 / 4°C | 58% | 8 mph13 km/h | – |
| Day 6Wed, Dec 9 | At sea | 53 / 41°F12 / 5°C | 50% | 11 mph18 km/h | 6 ft (1.7 m)Moderate; rougher days up to 7 ft |
| Day 7Thu, Dec 10 | Punta Arenas | 55 / 42°F13 / 6°C | 41% | 22 mph35 km/h | – |
| Day 8Fri, Dec 11 | Ushuaia | 54 / 40°F12 / 5°C | 49% | 14 mph22 km/h | – |
| Day 9Sat, Dec 12 | Cape Horn | 47 / 42°F9 / 5°C | 51% | 37 mph60 km/h | – |
| Day 10Sun, Dec 13 | At sea | 51 / 42°F11 / 6°C | 46% | 22 mph36 km/h | 10 ft (3.2 m)Rough; rougher days up to 16 ft |
| Day 11Mon, Dec 14 | Stanley | 55 / 42°F13 / 6°C | 41% | 22 mph36 km/h | – |
| Day 12Tue, Dec 15 | At sea | 65 / 53°F19 / 11°C | 28% | 15 mph24 km/h | 4 ft (1.1 m)Slight; rougher days up to 7 ft |
| Day 13Wed, Dec 16 | At sea | 67 / 54°F19 / 12°C | 33% | 14 mph23 km/h | 3 ft (1.0 m)Slight; rougher days up to 6 ft |
| Day 14Thu, Dec 17 | At sea | 67 / 54°F19 / 12°C | 33% | 14 mph23 km/h | 3 ft (1.0 m)Slight; rougher days up to 6 ft |
| Day 15Fri, Dec 18 | Montevideo | 78 / 65°F26 / 19°C | 26% | 16 mph26 km/h | – |
| Day 16Sat, Dec 19 | Buenos Aires Disembark | 84 / 68°F29 / 20°C | 19% | 15 mph24 km/h | – |
Seas are significant wave height, the average of the highest third of waves. What that means on board.
Ports on this cruise
- Puerto MonttWeather by month
- Puerto ChacabucoWeather by month
- Bruggen (Pío XI) GlacierWeather by month
- Punta ArenasWeather by month
- UshuaiaWeather by month
- Cape HornWeather by month
- StanleyWeather by month
- MontevideoWeather by month
- Buenos AiresWeather by month
- San AntonioWeather by month
More Oosterdam sailings
- January 10, 2027: 22 nights from Valparaíso