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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…The Mariner Of The Seas sails a 4-night Western Caribbean Cruise itinerary with Royal Caribbean Cruises, departing Galveston, Texas on September 10, 2026. It's a classic Caribbean cruise. Travelers sailing in September can generally expect warm, sunny weather with gentle trade winds. Ports of call: Galveston, Texas, Cozumel, Mexico, Galveston, Texas. Use the day-by-day forecast below to plan what to pack for each stop.
Galveston, Texas is a scheduled port of call on day 1 of the 4-night Western Caribbean Cruise cruise on Mariner Of The Seas.
Day 2 of 5 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Cruise itinerary.
Cozumel, Mexico is a scheduled port of call on day 3 of the 4-night Western Caribbean Cruise cruise on Mariner Of The Seas.
Day 4 of 5 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Cruise itinerary.
Galveston, Texas is a scheduled port of call on day 5 of the 4-night Western Caribbean Cruise cruise on Mariner Of The Seas.
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