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Chankanaab Reef

MexicoDirections
Rash guard or 2mm shorty typical

Chankanaab Reef at a glance

Chankanaab Reef is a dive site in Mexico. Typically most favorable Nov–Dec · from 3 years of archive data. Divers commonly see Pelagic triggerfish and Atlantic Nurse Shark. Recent reports put the water around 30°C (85°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:17

Forecast for this hour · 7:00 · run 18 h ago
0.6 m (2.1 ft)waves — under a meter expected (waves — about two feet expected)

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 30°C ( · Forecast 85°F · seasonal avg 86°F)

Dive windows this week

Lightest wind: Fri
Sun7:00–19:00 favorable

0.7 m waves · 9 kn wind (2.4 ft waves · 9 kn wind)

Mon7:00–19:00 favorable

0.6 m waves · 9 kn wind (2.1 ft waves · 9 kn wind)

Tue7:00–19:00 favorable

0.5 m waves · 7 kn wind (1.8 ft waves · 7 kn wind)

Wed7:00–19:00 favorable

0.6 m waves · 6 kn wind (1.9 ft waves · 6 kn wind)

Thu7:00–19:00 favorable

0.3 m waves · 6 kn wind (1.0 ft waves · 6 kn wind)

Fri7:00–19:00 favorable

0.2 m waves · 2 kn wind (0.7 ft waves · 2 kn wind)

SatNot 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 6:24 · Sunrise 6:47 · Sunset 18:17 · some windows run past sunset

Source: Open-Meteo marine · model point 9.6 km from site · updated 24 Oct, 12:15 GMT-5

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Chankanaab Reef

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, 99% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 0.7 m (2.4 ft), wind has typically been 11 knots
  2. February, 95% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 0.7 m (2.3 ft), wind has typically been 11 knots
  3. March, 97% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 0.8 m (2.6 ft), wind has typically been 11 knots
  4. April, 99% of days have historically been favorable, water has typically been 28°C (82°F), waves have typically been 0.7 m (2.4 ft), wind has typically been 11 knots
  5. May, 100% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 10 knots, historically most favorable
  6. June, 97% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.7 m (2.3 ft), wind has typically been 10 knots
  7. July, 99% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.6 m (1.8 ft), wind has typically been 10 knots
  8. August, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.4 m (1.3 ft), wind has typically been 8 knots, historically most favorable
  9. September, 99% of days have historically been favorable, water has typically been 30°C (87°F), waves have typically been 0.4 m (1.3 ft), wind has typically been 8 knots
  10. October, 98% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 10 knots
  11. November, 100% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 10 knots, historically most favorable
  12. December, 100% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 0.6 m (2.1 ft), wind has typically been 10 knots, historically most favorable

May, August, November, and December have 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.

  • Atlantic Nurse Shark recorded here May (1 record)

    Ginglymostoma cirratummost recent 2017

  • Pelagic triggerfish recorded here May (1 record)

    Canthidermis maculatamost recent 2017

Newest record here: 2017. 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

Chankanaab Reef is a dive site located in Mexico.

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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