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IntermediateBoat entry

Carl's Hill

Bonaire
Open Water suggestedWall drop-off to 40m+ - depth discipline5–40 m (16–131 ft) depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

Carl's Hill at a glance

Carl's Hill is an intermediate boat dive site in Bonaire with depths of 5–40 m (16–131 ft). Typically most favorable Sep · from 3 years of archive data. Divers commonly see Hawksbill turtle, Seahorse, and Queen angelfish. Recent reports put the water around 29°C (84°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:09

Forecast for this hour · 7:00 · run 6 h ago
0.8 m (2.6 ft)waves — under a meter expected (waves — about three feet expected)

Tap a factor for its source and model point · Forecast 29°C · seasonal avg 30°C ( · Forecast 84°F · seasonal avg 86°F)

Site hazards: Wall drop-off to 40m+ - depth discipline · Boat-access only (Klein Bonaire)

All 2 hazards ↓

Dive windows this week

Lightest wind: Tue
Mon7:00–19:00 favorable

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

Tue7:00–19:00 favorable

0.5 m waves · 4 kn wind (1.8 ft waves · 4 kn wind)

Wed7:00–19:00 favorable

0.5 m waves · 9 kn wind (1.6 ft waves · 9 kn wind)

Thu7:00–12:00 favorable, 12:00–17:00 moderate, 17:00–19:00 favorable

0.7 m waves · 11 kn wind (2.1 ft waves · 11 kn wind)

Fri7:00–11:00 favorable, 11:00–13:00 moderate, 13:00–19:00 favorable

0.7 m waves · 10 kn wind (2.4 ft waves · 10 kn wind)

Sat7:00–11:00 favorable, 11:00–15:00 moderate, 15:00–16:00 favorable, 16:00–19:00 moderate

0.7 m waves · 10 kn wind (2.2 ft waves · 10 kn wind)

Sun7:00–19:00 favorable

0.6 m waves · 9 kn wind (2.0 ft waves · 9 kn wind)

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 6:03 · Sunrise 6:24 · Sunset 18:09 · some windows run past sunset

Source: Open-Meteo marine · model point 5.2 km from site · updated 26 Oct, 01:19 GMT-4

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Carl's Hill

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: Hawksbill turtle, Queen angelfish, Stoplight parrotfish
Best time: Year-round; outstanding for photography and macro life.

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.

  1. January, 41% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.4 m (4.7 ft), wind has typically been 19 knots
  2. February, 39% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 1.5 m (4.8 ft), wind has typically been 19 knots
  3. March, 44% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 1.4 m (4.6 ft), wind has typically been 19 knots
  4. April, 41% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.3 m (4.4 ft), wind has typically been 18 knots
  5. May, 42% of days have historically been favorable, water has typically been 28°C (82°F), waves have typically been 1.4 m (4.6 ft), wind has typically been 19 knots
  6. June, 17% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 1.5 m (5.0 ft), wind has typically been 21 knots
  7. July, 16% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 1.4 m (4.6 ft), wind has typically been 20 knots
  8. August, 58% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.2 m (3.9 ft), wind has typically been 18 knots
  9. September, 70% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 1.2 m (3.9 ft), wind has typically been 18 knots, historically most favorable
  10. October, 70% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 1.1 m (3.6 ft), wind has typically been 16 knots
  11. November, 53% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 1.3 m (4.2 ft), wind has typically been 17 knots
  12. December, 46% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 1.4 m (4.4 ft), wind has typically been 18 knots

September 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.

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.

  • Atlantic Goliath Grouper recorded here Dec (1 record)

    Epinephelus itajaramost recent 2012

  • Banded Butterflyfish recorded here Nov (1 record)

    Chaetodon striatusmost recent 2013

  • Bastard Eel recorded here Nov (1 record)

    Gymnothorax miliarismost recent 2013

  • Bicolor Damselfish recorded here Nov (1 record)

    Stegastes partitusmost recent 2013

  • Caribbean Reef Octopus recorded here Nov (1 record)

    Octopus briareusmost recent 2013

  • Chaetodon ocellatus recorded here Nov (1 record)

    most recent 2013

  • Cherubfish recorded here Nov (1 record)

    Centropyge argimost recent 2013

  • Chrysiptera parasema recorded here Nov (1 record)

    most 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 June 2026

Site details

Carl's Hill, on the northwest of Klein Bonaire, is a celebrated boat dive named for underwater photographer Carl Roessler, featuring shallow coral gardens that fall away to a vertical wall around 40m. The drop-off is densely covered in tube sponges, gorgonians and corals, making it one of the island's richest sites for both wide-angle and macro photography. Seahorses, frogfish, turtles and morays are regular finds.

boatreefwall

Wall drop-off to 40m+ - depth discipline

Boat-access only (Klein Bonaire)

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