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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Join Carnival Cruises's Carnival Encounter for a 7-night voyage on the Great Barrier Reef route, setting out from Brisbane, Australia on September 26, 2026. The route makes 6 scheduled stops. Travelers sailing in September can generally expect cooler, off-season conditions. Ports of call include Brisbane, Australia, Airlie Beach, Australia, Cairns, Australia, with 3 more along the way. The forecasts below break the weather down port by port.
Brisbane, Australia is a scheduled port of call on day 1 of the 7-night Great Barrier Reef cruise on Carnival Encounter. Expected weather: partially cloudy with highs near 74°F.
Day 2 of 8 is a day at sea aboard Carnival Encounter, cruising between ports on the Great Barrier Reef itinerary.
Airlie Beach, Australia is a scheduled port of call on day 3 of the 7-night Great Barrier Reef cruise on Carnival Encounter. Expected weather: partially cloudy with highs near 75°F.
Cairns, Australia is a scheduled port of call on day 4 of the 7-night Great Barrier Reef cruise on Carnival Encounter. Expected weather: partially cloudy with highs near 80°F.
Cairns, Australia is a scheduled port of call on day 5 of the 7-night Great Barrier Reef cruise on Carnival Encounter. Expected weather: partially cloudy with highs near 80°F.
Willis Island, Australia is a scheduled port of call on day 6 of the 7-night Great Barrier Reef cruise on Carnival Encounter. Expected weather: partially cloudy with highs near 77°F.
Day 7 of 8 is a day at sea aboard Carnival Encounter, cruising between ports on the Great Barrier Reef itinerary.
Brisbane, Australia is a scheduled port of call on day 8 of the 7-night Great Barrier Reef cruise on Carnival Encounter. Expected weather: partially cloudy with highs near 75°F.
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