Diving in Madagascar in November

Conditions in November

So, you’re thinking about diving Madagascar in November? Excellent choice, because you're catching a sweet spot in the diving calendar. November generally marks the tail end of the dry, cooler season and the beginning of the warmer, wetter period, but fear not, the diving is usually phenomenal. You’ll find the weather consistently warm and sunny, with average air temperatures hovering around 28-32°C (82-90°F). While the occasional shower might pass through, especially towards the end of the month, these are typically short-lived and refreshing, rarely impacting your dive schedule.

Sea conditions are typically calm and inviting in November, particularly along the west coast and around the northern islands like Nosy Be. Expect minimal chop, providing comfortable boat rides to your dive sites. Water temperatures are on the rise, averaging a balmy 27-29°C (81-84°F), which means you might even contemplate a thinner wetsuit. Visibility is generally excellent, often ranging between 20-30 meters (65-100 feet), offering crystal-clear views of the vibrant underwater world. Currents can be present, especially around pinnacles and channel entrances, but experienced dive guides will always select sites suitable for the day's conditions and your skill level.

What you will see

November in Madagascar is a truly special time for marine life encounters, especially if you’re a fan of the big stuff. This month falls within the prime whale shark season around the Nosy Be archipelago, and encounters are frequent and often spectacular. These gentle giants are attracted to the plankton blooms that occur as the water warms, making it an ideal time for snorkeling and diving with them. It’s an awe-inspiring experience to be in the water with these magnificent creatures, and November offers some of the best chances to tick them off your bucket list.

Beyond the whale sharks, November is also fantastic for spotting a wide array of pelagics. You can anticipate regular sightings of manta rays gracefully gliding through the water, especially around cleaning stations. Various shark species, including reef sharks (blacktip, whitetip, and grey) are commonly seen patrolling the coral gardens and outer reefs. Dogtooth tuna, barracuda, and trevally schools are often found hunting in the currents, providing thrilling action. For those with a keen eye for macro life, the reefs brim with colorful nudibranchs, frogfish, ghost pipefish, and a plethora of crustaceans, making every dive a treasure hunt.

The coral reefs themselves are in magnificent condition, and November allows you to fully appreciate their biodiversity. You’ll be treated to a kaleidoscopic display of hard and soft corals, teeming with vibrant reef fish like clownfish, angelfish, butterflyfish, and parrotfish. The warmer waters can also bring unique, transitional species into areas they might not typically frequent, adding an element of surprise to your dives. The sheer abundance and variety of marine life during this period make it an unforgettable diving experience.

Top dive sites this month

For November diving around Madagascar, the Nosy Be archipelago is undoubtedly your prime destination. Here, sites like Sakatia Island (Manta Point) are a must-visit. As the name suggests, this area is a reliably excellent spot for encountering manta rays, which frequent the cleaning stations here this time of year. The clear, warm waters make for superb viewing. Another gem in the Nosy Be region is Nosy Tanikely Marine Park. This protected reserve offers incredibly healthy coral gardens, teeming with robust reef fish populations, and it’s a brilliant spot for both beginners and experienced divers due to its sheltered conditions and vibrant biodiversity. You'll routinely find turtles, reef sharks, and an endless array of colorful smaller creatures here.

Further afield, but also outstanding in November, are the waters around the Radames Archipelago. While access often requires a multi-day liveaboard trip, the reward is pristine, untouched dive sites. Here, you’ll discover dramatic underwater topography, vibrant pinnacles, and excellent chances for pelagic encounters, including schooling fish and larger shark species. The virtually untouched nature of these reefs means you’re diving some of the most biodiverse and healthy ecosystems in the region.

Practical tips for your trip

Given the lovely warm water temperatures of 27-29°C (81-84°F) in November, a 3mm shorty or full wetsuit will be perfectly adequate for most divers. If you tend to get cold easily or plan on doing multiple dives a day, a 3mm full suit or even a 5mm suit might be more comfortable, but anything thicker would likely be overkill. This month is fantastic for divers of all experience levels; the generally calm seas and excellent visibility make it very appealing for beginners, while the potential for pelagic encounters provides thrilling experiences for advanced divers.

Liveaboard availability in November can be quite competitive, especially around Nosy Be due to the peak whale shark season. It is highly recommended to book your liveaboard well in advance, preferably 6-12 months out, to secure your preferred itinerary and cabin. What to pack? Light, breathable clothing is essential for topside comfort. Don't forget high-SPF sunscreen, a wide-brimmed hat, insect repellent (especially for evenings), and a reusable water bottle. Pack a good underwater camera, as you'll want to capture the incredible marine life. Be aware that while Madagascar is breathtaking, infrastructure can be less developed than in other dive destinations, so patience and an open mind are useful companions. It's an adventure, and that's precisely what makes it so rewarding!