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Loading Travel Forecast…Loading Travel Forecast…Loading Travel Forecast…Departing San Juan, Puerto Rico on August 1, 2026, the Royal Caribbean Cruises ship Radiance Of The Seas runs this 7-night Southern 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 include San Juan, Puerto Rico, Tortola, British Virgin Islands, Philipsburg, St. Maarten, with 4 more along the way. Scroll the daily outlook below to pack smart for every port of call.
San Juan, Puerto Rico is a scheduled port of call on day 1 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 83°F.
Tortola, British Virgin Islands is a scheduled port of call on day 2 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 82°F.
Philipsburg, St. Maarten is a scheduled port of call on day 3 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 83°F.
St Johns, Antigua is a scheduled port of call on day 4 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 82°F.
Basseterre, St. Kitts is a scheduled port of call on day 5 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 83°F.
St Croix, US Virgin Islands is a scheduled port of call on day 6 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 82°F.
San Juan, Puerto Rico is a scheduled port of call on day 7 of the 7-night Southern Caribbean Cruise cruise on Radiance Of The Seas. Expected weather: partially cloudy with highs near 84°F.
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