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The Cathedral (La Cathédrale)

Black River District, MauritiusDirections
3mm wetsuit typical

The Cathedral (La Cathédrale) at a glance

The Cathedral (La Cathédrale) is a dive site in Black River District, Mauritius. Typically most favorable Dec · from 3 years of archive data. Recent reports put the water around 25°C (78°F). Check the latest conditions and entry details before you go.

Next window today· 6:00–19:00 · favorable & moderate · sunset 18:17

Forecast for this hour · 1:00 · run 16 h ago
1.9 m (6.2 ft)waves — about two meters expected (waves — about six feet expected)

Tap a factor for its source and model point · Forecast 25°C · seasonal avg 25°C ( · Forecast 78°F · seasonal avg 77°F)

Dive windows this week

Tue6:00–11:00 moderate, 11:00–19:00 favorable

1.6 m waves · 5 kn wind (5.2 ft waves · 5 kn wind)

Wed6:00–19:00 favorable

1.2 m waves · 9 kn wind (3.9 ft waves · 9 kn wind)

Thu6:00–19:00 favorable

1.0 m waves · 10 kn wind (3.3 ft waves · 10 kn wind)

Fri6:00–13:00 favorable, 13:00–16:00 moderate, 16:00–19:00 favorable

1.0 m waves · 10 kn wind (3.3 ft waves · 10 kn wind)

Sat6:00–12:00 favorable, 12:00–14:00 moderate, 14:00–19:00 favorable

1.1 m waves · 10 kn wind (3.6 ft waves · 10 kn wind)

Sun6:00–19:00 favorable

1.3 m waves · 5 kn wind (4.2 ft waves · 5 kn wind)

MonNot in the forecast yet

Favorable windowModerate window— no window

Every forecast dive window each day, site-local time, from wave and wind forecasts. Numbers under each bar are daylight averages.

First light 5:08 · Sunrise 5:31 · Sunset 18:17 · some windows run past sunset

Source: Open-Meteo marine · model point 5.9 km from site · updated 26 Oct, 09:25 GMT+4

Forecast only — always assess conditions on site.

Compare this weekend’s windows near The Cathedral (La Cathédrale)

Recent diver reports

Dated firsthand observations from divers — not current conditions.

No diver reports for this site yet. — one dated observation helps every diver after you.

Dived here today — did the forecast match?

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. January, 14% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 2.1 m (7.0 ft), wind has typically been 12 knots
  2. February, 9% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 2.4 m (7.8 ft), wind has typically been 13 knots
  3. March, 18% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 2.3 m (7.6 ft), wind has typically been 12 knots
  4. April, 8% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 2.3 m (7.7 ft), wind has typically been 10 knots
  5. May, 1% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 2.8 m (9.3 ft), wind has typically been 13 knots
  6. June, 0% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 2.8 m (9.2 ft), wind has typically been 13 knots
  7. July, 3% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 2.7 m (8.9 ft), wind has typically been 13 knots
  8. August, 2% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 2.8 m (9.3 ft), wind has typically been 14 knots
  9. September, 2% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 2.6 m (8.4 ft), wind has typically been 14 knots
  10. October, 15% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 2.3 m (7.6 ft), wind has typically been 12 knots
  11. November, 21% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 2.2 m (7.2 ft), wind has typically been 11 knots
  12. December, 26% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 2.0 m (6.6 ft), wind has typically been 10 knots, historically most favorable

December has typically had the largest share of favorable days here. Conditions vary year to year — this is historical context, not a forecast.

Based on 3 years of archive data. Bar height shows the share of days each month whose conditions have historically scored favorably.

Marine life recorded at this site, by month

Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.

  • Undulated Moray recorded here Jul (1 record)

    Gymnothorax undulatusmost recent 2013

Newest record here: 2013. Counts are occurrence records near this site from public biodiversity datasets (GBIF), grouped by calendar month across all sampled years. Sightings vary — past records are context, not a prediction.

Fills & rentals nearby

Facts from OpenStreetMap, corrected by the community — listed by distance only. Details change; confirm with the shop.

Shop facts come from OpenStreetMap and community corrections, shown nearest first. PickADive lists facts and contacts only — no listing is sponsored or ranked.

Data updated July 2026

Site details

No description for this site yet — divers who know it can suggest one below.

boatcavereefwall

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

Reviews

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