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Map of Blue Cave (Cape Maeda)
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Blue Cave (Cape Maeda)

Okinawa, JapanDirections
Rash guard or 2mm shorty typical

Blue Cave (Cape Maeda) at a glance

Blue Cave (Cape Maeda) is a dive site in Okinawa, Japan. Typically most favorable Feb · from 3 years of archive data. Recent reports put the water around 28°C (82°F). Check the latest conditions and entry details before you go.

Next window today· 7:00–16:00 · favorable & moderate

Forecast for this hour · 4:00 · run 1 h ago
1.3 m (4.2 ft)waves — about a meter and a half expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 28°C · seasonal avg 29°C ( · Forecast 82°F · seasonal avg 84°F)

Dive windows this week

Lightest wind: Fri
Tue7:00–9:00 favorable, 9:00–16:00 moderate

1.3 m waves · 13 kn wind (4.4 ft waves · 13 kn wind)

Wed7:00–17:00 moderate, 17:00–18:00 favorable

1.4 m waves · 12 kn wind (4.5 ft waves · 12 kn wind)

Thu7:00–18:00 favorable

0.9 m waves · 8 kn wind (2.8 ft waves · 8 kn wind)

Fri7:00–18:00 favorable

0.6 m waves · 6 kn wind (1.8 ft waves · 6 kn wind)

Sat7:00–18:00 favorable

0.9 m waves · 10 kn wind (2.8 ft waves · 10 kn wind)

Sun7:00–18:00 favorable

0.6 m waves · 7 kn wind (2.0 ft waves · 7 kn wind)

Mon7:00–18:00 favorable

0.5 m waves · 8 kn wind (1.5 ft waves · 8 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 6:11 · Sunrise 6:34 · Sunset 17:50 · some windows run past sunset

Source: Open-Meteo marine · model point 8.0 km from site · updated 27 Oct, 02:23 GMT+9

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Blue Cave (Cape Maeda)

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, 96% of days have historically been favorable, water has typically been 21°C (70°F), waves have typically been 0.9 m (3.0 ft), wind has typically been 11 knots
  2. February, 100% of days have historically been favorable, water has typically been 21°C (70°F), waves have typically been 0.9 m (3.0 ft), wind has typically been 11 knots, historically most favorable
  3. March, 99% of days have historically been favorable, water has typically been 21°C (70°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 10 knots
  4. April, 97% of days have historically been favorable, water has typically been 23°C (73°F), waves have typically been 0.8 m (2.5 ft), wind has typically been 10 knots
  5. May, 96% of days have historically been favorable, water has typically been 24°C (76°F), waves have typically been 0.8 m (2.6 ft), wind has typically been 10 knots
  6. June, 98% of days have historically been favorable, water has typically been 27°C (80°F), waves have typically been 0.7 m (2.1 ft), wind has typically been 10 knots
  7. July, 94% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.8 m (2.8 ft), wind has typically been 11 knots
  8. August, 90% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.8 m (2.5 ft), wind has typically been 10 knots
  9. September, 94% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.8 m (2.5 ft), wind has typically been 9 knots
  10. October, 99% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.9 m (2.9 ft), wind has typically been 9 knots
  11. November, 100% of days have historically been favorable, water has typically been 26°C (79°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 11 knots, historically most favorable
  12. December, 95% of days have historically been favorable, water has typically been 23°C (74°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 11 knots

February and November have 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.

  • Hipposcarus longiceps recorded here Jul (2 records)

    most recent 2014

  • Indo-Pacific Trumpetfish recorded here Jul (2 records)

    Aulostomus chinensismost recent 2014

  • Pennant Coral Fish recorded here Jul (2 records)

    Heniochus acuminatusmost recent 2014

  • Thalassoma quinquevittatum recorded here Jul (2 records)

    most recent 2014

  • Blackspotted Puffer recorded here Jun (1 record)

    Arothron nigropunctatusmost recent 2014

  • Bluespotted Cornetfish recorded here Jul (1 record)

    Fistularia commersoniimost recent 2014

  • Chelidonichthys spinosus recorded here Aug (1 record)

    most recent 2012

  • Chlorurus gibbus recorded here Aug (1 record)

    most recent 2012

Newest record here: 2014. 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 July 2026

Site details

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

cavereefshore

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

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