MyCruiseForecast

Carnival Cruise Line · 8 nights

Carnival Magic weather: 8-night cruise from Miami, December 18, 2026

The Carnival Magic (Carnival Cruise Line) leaves Miami on December 18, 2026 for a 8-night cruise, with stops in Half Moon Cay, San Juan, Philipsburg and St. Thomas. It returns to Miami on December 26, 2026. Typical afternoon highs along the route run from 74°F to 82°F (24°C to 28°C), and 3 days are at sea, where seas are typically moderate (around 5 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

Typical conditions for each date (2022–2025 climate record, ECMWF). Sea-day figures are approximate, blended from the ports on either side. Not a forecast.
DayPortHigh / lowRain daysWindTypical seas
Day 1Fri, Dec 18Miami Embark74 / 65°F24 / 18°C54%13 mph21 km/h–
Day 2Sat, Dec 19Half Moon Cay77 / 74°F25 / 23°C50%20 mph32 km/h–
Day 3Sun, Dec 20At sea80 / 74°F26 / 23°C52%13 mph20 km/h5 ft (1.5 m)Moderate; rougher days up to 7 ft
Day 4Mon, Dec 21San Juan82 / 73°F28 / 23°C54%14 mph22 km/h–
Day 5Tue, Dec 22Philipsburg80 / 78°F27 / 25°C31%18 mph29 km/h–
Day 6Wed, Dec 23St. Thomas81 / 77°F27 / 25°C38%19 mph30 km/h–
Day 7Thu, Dec 24At sea78 / 71°F25 / 22°C46%12 mph19 km/h4 ft (1.2 m)Slight; rougher days up to 6 ft
Day 8Fri, Dec 25At sea78 / 71°F25 / 22°C46%12 mph19 km/h4 ft (1.2 m)Slight; rougher days up to 6 ft
Day 9Sat, Dec 26Miami Disembark74 / 65°F24 / 18°C54%13 mph21 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 Carnival Magic sailings

All Carnival Magic sailings · All Carnival Cruise Line ships