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Map of Silverado (Everest)
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Boat entry

Silverado (Everest)

Cocos Island, Costa Rica
Boat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

Silverado (Everest) at a glance

Silverado (Everest) is a boat dive site in Cocos Island, Costa Rica. Typically most favorable Mar · from 3 years of archive data. Recent reports put the water around 30°C (85°F). Check the latest conditions and entry details before you go.

Next window today· 6:00–18:00 · favorable · sunset 17:30

Forecast for this hour · 0:00 · run 1 h ago
1.5 m (4.9 ft)waves — about a meter and a half expected (waves — about five feet expected)

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 28°C ( · Forecast 85°F · seasonal avg 82°F)

Dive windows this week

Lightest wind: Wed
Mon6:00–18:00 favorable

1.4 m waves · 10 kn wind (4.6 ft waves · 10 kn wind)

Tue6:00–18:00 favorable

1.2 m waves · 5 kn wind (4.0 ft waves · 5 kn wind)

Wed6:00–18:00 favorable

1.1 m waves · 2 kn wind (3.7 ft waves · 2 kn wind)

Thu6:00–18:00 favorable

1.1 m waves · 6 kn wind (3.6 ft waves · 6 kn wind)

Fri6:00–18:00 favorable

1.1 m waves · 8 kn wind (3.5 ft waves · 8 kn wind)

Sat6:00–18:00 favorable

1.2 m waves · 5 kn wind (4.1 ft waves · 5 kn wind)

SunNot 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 5:12 · Sunrise 5:33 · Sunset 17:30 · some windows run past sunset

Source: Open-Meteo marine · model point 8.1 km from site · updated 25 Oct, 23:26 GMT-6

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Silverado (Everest)

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, 75% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 1.5 m (4.8 ft), wind has typically been 9 knots
  2. February, 87% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 1.4 m (4.6 ft), wind has typically been 9 knots
  3. March, 87% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 1.4 m (4.5 ft), wind has typically been 8 knots, historically most favorable
  4. April, 73% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 1.5 m (4.9 ft), wind has typically been 10 knots
  5. May, 30% 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
  6. June, 24% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 1.8 m (5.9 ft), wind has typically been 13 knots
  7. July, 44% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 1.7 m (5.5 ft), wind has typically been 12 knots
  8. August, 39% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 1.7 m (5.7 ft), wind has typically been 13 knots
  9. September, 24% of days have historically been favorable, water has typically been 28°C (82°F), waves have typically been 1.8 m (5.9 ft), wind has typically been 13 knots
  10. October, 20% of days have historically been favorable, water has typically been 28°C (82°F), waves have typically been 1.8 m (6.0 ft), wind has typically been 14 knots
  11. November, 32% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.8 m (5.8 ft), wind has typically been 14 knots
  12. December, 73% of days have historically been favorable, water has typically been 28°C (82°F), waves have typically been 1.5 m (5.0 ft), wind has typically been 11 knots

March 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.

  • Sphyrna zygaena recorded here Dec (1 record)

    most recent 2017

  • Whitetip Reef Shark recorded here Dec (1 record)

    Triaenodon obesusmost 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

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated July 2026

Site details

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

boatdriftpinnacle

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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