Skip to content
Map of Maunalua Bay Artificial Reef - Corner C
Add the first photo
IntermediateBoat entry

Maunalua Bay Artificial Reef - Corner C

Hawaii, United States
AOW suggested22 m (71 ft) depthBoat entry3mm wetsuit typical

Boat dive — see Entry & access.

Maunalua Bay Artificial Reef - Corner C at a glance

Maunalua Bay Artificial Reef - Corner C is an intermediate boat dive site in Hawaii, United States with depths of up to 21.6 m (71 ft). Typically most favorable Oct · from 3 years of archive data. Recent reports put the water around 27°C (80°F). Check the latest conditions and entry details before you go.

Favorable window now· until 18:00 · sunset 17:58

Forecast for this hour · 10:00 · run 15 h ago
1.2 m (3.8 ft)waves — about a meter expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 27°C · seasonal avg 27°C ( · Forecast 80°F · seasonal avg 81°F)

Dive windows this week

Mon7:00–18:00 favorable

1.2 m waves · 11 kn wind (3.9 ft waves · 11 kn wind)

Tue7:00–18:00 favorable

1.3 m waves · 12 kn wind (4.1 ft waves · 12 kn wind)

Wed7:00–10:00 favorable, 10:00–11:00 moderate, 11:00–18:00 favorable

1.6 m waves · 11 kn wind (5.2 ft waves · 11 kn wind)

Thu7:00–18:00 favorable

1.6 m waves · 13 kn wind (5.1 ft waves · 13 kn wind)

Fri7:00–10:00 moderate, 10:00–18:00 favorable

1.5 m waves · 18 kn wind (5.1 ft waves · 18 kn wind)

Sat7:00–18:00 favorable

1.3 m waves · 14 kn wind (4.3 ft waves · 14 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 6:08 · Sunrise 6:31 · Sunset 17:58 · some windows run past sunset

Source: Open-Meteo marine · model point 4.8 km from site · updated 25 Oct, 19:26 GMT-10

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Maunalua Bay Artificial Reef - Corner C

Forecast · NOAA tide model

Tide & slack timing

Loading tide predictions

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, 9% of days have historically been favorable, water has typically been 25°C (78°F), waves have typically been 2.2 m (7.2 ft), wind has typically been 16 knots
  2. February, 13% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 2.1 m (6.8 ft), wind has typically been 17 knots
  3. March, 30% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 1.9 m (6.3 ft), wind has typically been 18 knots
  4. April, 26% of days have historically been favorable, water has typically been 25°C (77°F), waves have typically been 1.8 m (5.9 ft), wind has typically been 17 knots
  5. May, 31% of days have historically been favorable, water has typically been 26°C (78°F), waves have typically been 1.7 m (5.6 ft), wind has typically been 18 knots
  6. June, 21% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 1.7 m (5.5 ft), wind has typically been 20 knots
  7. July, 13% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 1.7 m (5.4 ft), wind has typically been 21 knots
  8. August, 14% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.7 m (5.6 ft), wind has typically been 20 knots
  9. September, 26% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.5 m (5.1 ft), wind has typically been 18 knots
  10. October, 37% of days have historically been favorable, water has typically been 27°C (81°F), waves have typically been 1.6 m (5.2 ft), wind has typically been 16 knots, historically most favorable
  11. November, 18% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 1.9 m (6.3 ft), wind has typically been 19 knots
  12. December, 11% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 2.1 m (6.7 ft), wind has typically been 16 knots

October 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

No recorded sightings data for this site yet. Species lists appear as GBIF records and diver reports accumulate.

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

A dive site in United States. The site reaches a maximum depth of about 22 m. The site is reached by boat.

reef

No hazards recorded for this site yet — that never means there are none. Ask a local operator before you dive.

Reviews

No reviews yet — this site is waiting for its first. Dived here? Your rating and a few lines help the next diver.

Spot something off?

Help keep this listing accurate for the next diver.