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Nosy Boraha

Island

Off Madagascar's east coast, Nosy Boraha (Île Sainte‑Marie) draws whale watchers in July-September, scuba divers and history buffs curious about a 17th‑century pirate cemetery; ferries link the island to mainland ports and small fishing villages.

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Nosy Boraha essentials

Address: Nosy Boraha (Île Sainte-Marie), Madagascar
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About Nosy Boraha

Nosy Boraha, commonly known as Île Sainte-Marie, is an island off Madagascar’s east coast in the Indian Ocean noted for sandy beaches, colonial-era settlements and a history of pirate activity. It is a long-established holiday destination for both local and international visitors.

Popular highlights include seasonal humpback whale watching, coastal beaches and snorkeling, and the historic pirate cemetery near the main town. The island is compact and explored on foot, bicycle or by small taxi, with short boat connections to nearby islets.

Historically the island was frequented by European and Indian Ocean mariners in the 17th and 18th centuries and later saw colonial development; remnants of that maritime past remain part of the island’s cultural attractions.

The island lies off Madagascar’s eastern shoreline in the Indian Ocean and is reached by ferry or small aircraft from the mainland. Accommodation and visitor facilities are concentrated around the main town and coastal settlements.

  • Whale watching season: Humpback whale watching is a seasonal activity with the highest sightings during the southern winter months; boats operate from the island for guided whale watching.
  • Visitor services: The island is small and visited by day-trippers and independent travelers; basic services are concentrated in the main town while beaches and guesthouses cater to tourism.

What to See#

  • Ambodifotatra (main town): The island’s main town and administrative centre with ferry and small-airport connections and local markets.
  • Pirate cemetery: A small cemetery and cluster of graves linked to 17th- and 18th-century pirate activity that is a frequent visitor site.
  • Île aux Nattes (Nosy Nato): A small islet at the southern tip separated by a narrow channel, known for white-sand beaches and day-trip swimming/snorkeling from the main island.
When to Go

Best Time to Visit Nosy Boraha

Best visited in the dry months (May-October), with July-September ideal for humpback whale watching.

Dry season (general)
May-October · 23-28°C
Sunny, relatively calm seas and good beach conditions; many services operate normally.
Whale-watching peak
July-September · 24-28°C
Peak time to see migrating humpback whales off the coast-calm seas and good visibility for boat excursions.
Wet / cyclone season
November-April · 25-30°C
Frequent heavy rain and rough seas; access can be disrupted and there is higher cyclone risk during the core wet months.

Weather & Climate near Nosy Boraha

Climate

Nosy Boraha's climate is classified as Tropical Rainforest - Tropical Rainforest climate with consistently warm temperatures year-round. Temperatures range from 19°C to 30°C. Heavy rainfall (3231 mm/year), wettest in March.

Air Quality: AQI 26 Good
Best Time to Visit
OctoberSeptemberNovember
Temperature & Rainfall
Temperature Range
31°
Warmest Month
19°
Coldest Month
Monthly Conditions
Month Comfort Temp Feels Rain Sky Humidity Wind UV Daylight
January Good 24° - 30° 27° 336 mm overcast 82% 2.7 m/s 2.5 extreme 12.9h
February Good 23° - 30° 27° 421 mm overcast 82% 2.5 m/s 2.5 extreme 12.5h
March Good 23° - 30° 27° 486 mm overcast 82% 2.6 m/s 2.2 extreme 12.1h
April Good 22° - 29° 26° 419 mm overcast 80% 2.5 m/s 1.8 very high 11.6h
May Good 21° - 28° 25° 315 mm overcast 78% 2.9 m/s 1.5 high 11.2h
June Good 19° - 26° 23° 269 mm overcast 76% 4.2 m/s 1.2 high 11.0h
July Good 19° - 25° 22° 253 mm overcast 76% 3.8 m/s 1.3 high 11.1h
August Good 19° - 25° 22° 170 mm overcast 76% 3.7 m/s 1.5 high 11.5h
September Very Good 19° - 26° 23° 119 mm overcast 77% 3.5 m/s 1.8 very high 11.9h
October Very Good 20° - 28° 24° 74 mm overcast 78% 3.7 m/s 2.2 extreme 12.4h
November Very Good 22° - 29° 25° 113 mm overcast 79% 3.3 m/s 2.4 extreme 12.8h
December Good 23° - 30° 26° 256 mm overcast 80% 2.7 m/s 2.5 extreme 13.0h
Getting There & Around

How to Get to Nosy Boraha

Nosy Boraha (Île Sainte‑Marie) is reached either by plane or by boat. There are scheduled domestic flights from Antananarivo to Sainte‑Marie Airport (on the island); alternatively take the public ferry/boat from Soanierana‑Ivongo to Ambodifotatra (the island’s main port). From Ambodifotatra wharf most hotels and beaches are only a short walk.

Tips for Visiting Nosy Boraha

  • For whale watching, plan your visit during humpback season (mainly July-September) and book an early-morning boat from the main harbor in Ambodifotatra to improve chances and avoid choppy afternoon seas.
  • Explore beyond the main beaches of Ambodifotatra - quieter north and south coves and the island's pirate cemetery are easy to reach and often overlooked by beach-only visitors.
  • Use the island's small-port arrivals rather than crowded day-trip boats where possible; staying overnight on Île Sainte-Marie means fewer crowds around popular beaches and whale-watching launch sites.