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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Royal Caribbean Cruises's Mariner Of The Seas for a 5-night voyage on the Western Caribbean Cruise route, setting out from Galveston, Texas on September 14, 2026. It's a classic Caribbean cruise. Travelers sailing in September can generally expect warm, sunny weather with gentle trade winds. Ports of call include Galveston, Texas, Costa Maya, Mexico, Cozumel, Mexico, with 1 more along the way. The forecasts below break the weather down port by port.
Galveston, Texas is a scheduled port of call on day 1 of the 5-night Western Caribbean Cruise cruise on Mariner Of The Seas.
Day 2 of 6 is a day at sea aboard Mariner Of The Seas, cruising between ports on the Western Caribbean Cruise itinerary.
Costa Maya, Mexico is a scheduled port of call on day 3 of the 5-night Western Caribbean Cruise cruise on Mariner Of The Seas.
Cozumel, Mexico is a scheduled port of call on day 4 of the 5-night Western Caribbean Cruise cruise on Mariner Of The Seas.
Day 5 of 6 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 6 of the 5-night Western Caribbean Cruise cruise on Mariner Of The Seas.
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