Royal Caribbean · 7 nights

Harmony of the Seas weather: 7-night cruise from Port Canaveral, December 12, 2026

The Harmony of the Seas (Royal Caribbean) leaves Port Canaveral on December 12, 2026 for a 7-night cruise, with stops in St. Thomas, Nassau and Perfect Day at CocoCay. It returns to Port Canaveral on December 19, 2026. Typical afternoon highs along the route run from 69°F to 82°F (21°C to 28°C), and 3 days are 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

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.
Day	Port	High / low	Rain days	Wind	Typical seas
Day 1Sat, Dec 12	Port Canaveral Embark	74 / 61°F23 / 16°C	18%	12 mph19 km/h	–
Day 2Sun, Dec 13	At sea	78 / 70°F25 / 21°C	28%	12 mph19 km/h	3 ft (1.0 m)Slight; rougher days up to 5 ft
Day 3Mon, Dec 14	At sea	78 / 70°F25 / 21°C	28%	12 mph19 km/h	3 ft (1.0 m)Slight; rougher days up to 5 ft
Day 4Tue, Dec 15	St. Thomas	82 / 79°F28 / 26°C	38%	20 mph32 km/h	–
Day 5Wed, Dec 16	At sea	79 / 74°F26 / 24°C	41%	13 mph21 km/h	4 ft (1.1 m)Slight; rougher days up to 6 ft
Day 6Thu, Dec 17	Nassau	77 / 71°F25 / 22°C	44%	16 mph26 km/h	–
Day 7Fri, Dec 18	Perfect Day at CocoCay	76 / 73°F24 / 23°C	38%	19 mph31 km/h	–
Day 8Sat, Dec 19	Port Canaveral Disembark	69 / 57°F21 / 14°C	29%	11 mph18 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 Harmony of the Seas sailings

December 19, 2026: 4 nights from Port Canaveral
December 23, 2026: 7 nights from Port Canaveral
December 30, 2026: 6 nights from Port Canaveral

All Harmony of the Seas sailings · All Royal Caribbean ships