Isla De San Francisquito
Protected Area
Zona marina del Archipiélago de Espíritu Santo
Why dive here
With 195+ marine species recorded in the area - including blue whales, dolphins, humpback whales, nurse sharks and orcas - Isla De San Francisquito offers some of Sea of Cortez's richest diving. Water ranges 21-31°C, warmest August, September, October.
Isla De San Francisquito gives you a classic Sea of Cortez rocky reef dive. Expect to cruise along walls and boulder fields, keeping an eye out for moray eels tucked into crevices and parrotfish grazing the algae. It’s a solid spot for divers who appreciate the subtler beauty of the region, perhaps as a mellow second dive. Good for photographers focusing on macro subjects.
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Conditions
Ocean conditions, forecast and tides for Isla De San Francisquito
Isla De San Francisquito Ocean Conditions
Monthly averages for Isla De San Francisquito, sourced from Open-Meteo marine data + Copernicus Marine (EU) - nearest station: Open-Meteo marine grid (24.05, -109.87) (22km away)
October Averages
Sea Temperature
30°C
85°F · Range: 28.3–31.6°C
Current Speed
7.81 cm/s
Direction: NW (309.8°)
Chlorophyll-a
0.114 mg/m³
Clear water
Salinity
34.65 PSU
Based on 4 years of monitoring data · Data sources: Open-Meteo marine data + Copernicus Marine (EU)
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