What will I see at The Boiler (San Benedicto)?

Divers at The Boiler (San Benedicto) in Mexico commonly report sightings of Scalloped hammerhead shark, Silky shark, Whale shark, Yellowfin tuna, and Whitetip reef shark. Whitetip reef shark is recorded as common sightings, while Whale shark is seasonal, while Scalloped hammerhead shark, Silky shark, and Yellowfin tuna are reported only occasionally. Marine life varies by season and conditions—check the site page for recent diver observations and photos.

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The Boiler (San Benedicto)

Colima (Revillagigedo Archipelago), MexicoDirections

Rash guard or 2mm shorty typical

The Boiler (San Benedicto) at a glance

The Boiler (San Benedicto) is a dive site in Colima (Revillagigedo Archipelago), Mexico. Typically most favorable Jul · from 3 years of archive data. Divers commonly see Scalloped hammerhead shark, Silky shark, and Whale shark. Recent reports put the water around 28°C (82°F). Check the latest conditions and entry details before you go.

No window today· next: Tue 7:00–18:00 · moderate

Forecast for this hour · 8:00 · run 22 h ago

2.5 m (8.3 ft)waves — about two and a half meters expected (waves — about eight feet expected)

Tap a factor for its source and model point · Forecast 28°C · seasonal avg 27°C ( · Forecast 82°F · seasonal avg 81°F)

Dive windows this week

Smallest waves: Fri

Sun

2.6 m waves · 12 kn wind (8.5 ft waves · 12 kn wind)

Mon

2.9 m waves · 12 kn wind (9.4 ft waves · 12 kn wind)

Tue

2.2 m waves · 9 kn wind (7.3 ft waves · 9 kn wind)

Wed

1.9 m waves · 11 kn wind (6.2 ft waves · 11 kn wind)

Thu

1.6 m waves · 7 kn wind (5.3 ft waves · 7 kn wind)

Fri

1.5 m waves · 7 kn wind (4.9 ft waves · 7 kn wind)

Sat

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 5:58 · Sunrise 6:21 · Sunset 17:53 · some windows run past sunset

Source: Open-Meteo marine · model point 2.6 km from site · updated 24 Oct, 10:20 GMT-7

Forecast only — always assess conditions on site.

Compare this weekend’s windows near The Boiler (San Benedicto)

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?

What Divers Say

Known for: Whitetip reef shark, Clarion angelfish, Giant oceanic manta ray

Based on community reviews and site data. Conditions vary — always verify before diving.

Best months, historically

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

January, 23% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 2.1 m (7.0 ft), wind has typically been 13 knots
February, 15% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 2.0 m (6.7 ft), wind has typically been 14 knots
March, 10% of days have historically been favorable, water has typically been 23°C (74°F), waves have typically been 2.2 m (7.1 ft), wind has typically been 14 knots
April, 18% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 1.9 m (6.3 ft), wind has typically been 14 knots
May, 12% of days have historically been favorable, water has typically been 24°C (74°F), waves have typically been 1.9 m (6.1 ft), wind has typically been 15 knots
June, 31% of days have historically been favorable, water has typically been 24°C (75°F), waves have typically been 1.8 m (5.8 ft), wind has typically been 12 knots
July, 73% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.5 m (5.0 ft), wind has typically been 11 knots, historically most favorable
August, 54% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.9 m (6.2 ft), wind has typically been 12 knots
September, 47% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 1.8 m (5.9 ft), wind has typically been 12 knots
October, 23% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 2.2 m (7.3 ft), wind has typically been 14 knots
November, 20% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 2.0 m (6.5 ft), wind has typically been 13 knots
December, 31% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 2.0 m (6.5 ft), wind has typically been 13 knots

July 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 seen at this site

Species noted at this site — not a promise of what you’ll encounter.

Species seen here

Rough labels: “Commonly seen” usually means two or more recorded sightings near this site in public dive logs (GBIF), “Occasionally seen” one; “Seasonal” and “Rarely seen” come from dive-guide research. Not a measured rate.