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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing Galveston, Texas on August 27, 2026, the Royal Caribbean Cruises ship Mariner Of The Seas runs this 4-night Western Caribbean Cruise sailing. It's a classic Caribbean cruise. Travelers sailing in August can generally expect warm, sunny weather with gentle trade winds. Ports of call: Galveston, Texas, Cozumel, Mexico, Galveston, Texas. Scroll the daily outlook below to pack smart for every port of call.
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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