The best time to travel by liveaboard to Raja Ampat is from October to April. At this time, scuba divers will experience less rain than during the summer months. The seas are also relatively smooth, making for the most comfortable liveaboard journeys. Furthermore, October to April are the best months for spotting manta rays in Raja Ampat. The sea and air temperatures in Raja Ampat are relatively constant throughout the year. Sea temperatures average about 80-86°F (27-30°C), and visibility remains approximately 80-100 feet (20-30 meters) during any month. Outside of peak months, scuba divers can still find liveaboard trips to Raja Ampat between May and September. However, July to September tends to be very rainy and strong winds can cause rough and uncomfortable seas. If you’d like to travel to West Papua during the Raja Ampat off-season, consider a liveaboard trip to Cenderawasih Bay where you’re practically guaranteed encounters with whale sharks. Many ships move to these protected waters during the rainy season.