MyCruiseForecast

Royal Caribbean · 4 nights

Brilliance of the Seas weather: 4-night cruise from Fort Lauderdale, December 7, 2026

The Brilliance of the Seas (Royal Caribbean) leaves Fort Lauderdale on December 7, 2026 for a 4-night cruise, with stops in Perfect Day at CocoCay and Nassau. It returns to Fort Lauderdale on December 11, 2026. Typical afternoon highs along the route run from 77°F to 78°F (25°C to 26°C), and 1 day is at sea, where seas are typically slight (around 3 ft).

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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 1Mon, Dec 7Fort Lauderdale Embark78 / 66°F26 / 19°C28%12 mph19 km/h–
Day 2Tue, Dec 8Perfect Day at CocoCay77 / 74°F25 / 24°C28%19 mph30 km/h–
Day 3Wed, Dec 9Nassau78 / 73°F26 / 23°C36%17 mph27 km/h–
Day 4Thu, Dec 10At sea78 / 69°F26 / 21°C32%11 mph17 km/h3 ft (1.0 m)Slight; rougher days up to 7 ft
Day 5Fri, Dec 11Fort Lauderdale Disembark78 / 66°F26 / 19°C28%12 mph19 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

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