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The Dome

ThailandDirections
Rash guard or 2mm shorty typical

The Dome at a glance

The Dome is a dive site in Thailand. Typically most favorable Dec–Jan · from 3 years of archive data. Divers commonly see Powder Blue Surgeonfish, Pacific Cornetfish, and Saddled Snake-eel. Recent reports put the water around 30°C (87°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:08

Forecast for this hour · 16:00 · run 16 h ago
0.9 m (2.8 ft)waves — under a meter expected (waves — about three feet expected)

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 29°C ( · Forecast 87°F · seasonal avg 85°F)

Dive windows this week

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

0.9 m waves · 4 kn wind (3.0 ft waves · 4 kn wind)

Tue7:00–19:00 favorable

0.6 m waves · 8 kn wind (2.0 ft waves · 8 kn wind)

Wed7:00–19:00 favorable

0.5 m waves · 12 kn wind (1.6 ft waves · 12 kn wind)

Thu7:00–19:00 favorable

0.6 m waves · 12 kn wind (1.9 ft waves · 12 kn wind)

Fri7:00–19:00 favorable

0.5 m waves · 14 kn wind (1.6 ft waves · 14 kn wind)

Sat7:00–19:00 favorable

0.5 m waves · 5 kn wind (1.5 ft waves · 5 kn wind)

Sun7:00–19:00 favorable

0.4 m waves · 2 kn wind (1.2 ft waves · 2 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 5:55 · Sunrise 6:17 · Sunset 18:08 · some windows run past sunset

Source: Open-Meteo marine · model point 8.0 km from site · updated 26 Oct, 00:23 GMT+7

Forecast only — always assess conditions on site.

Compare this weekend’s windows near The Dome

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: Powder Blue Surgeonfish, Golden Trevally, Pennant Coral Fish

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, 100% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.5 m (1.8 ft), wind has typically been 13 knots, historically most favorable
  2. February, 99% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.5 m (1.6 ft), wind has typically been 12 knots
  3. March, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.4 m (1.4 ft), wind has typically been 11 knots, historically most favorable
  4. April, 100% of days have historically been favorable, water has typically been 31°C (87°F), waves have typically been 0.5 m (1.6 ft), wind has typically been 10 knots, historically most favorable
  5. May, 91% of days have historically been favorable, water has typically been 31°C (87°F), waves have typically been 0.9 m (2.8 ft), wind has typically been 12 knots
  6. June, 64% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 1.3 m (4.1 ft), wind has typically been 15 knots
  7. July, 57% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 1.4 m (4.5 ft), wind has typically been 16 knots
  8. August, 77% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 1.1 m (3.7 ft), wind has typically been 14 knots
  9. September, 63% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.3 m (4.3 ft), wind has typically been 15 knots
  10. October, 99% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.7 m (2.4 ft), wind has typically been 10 knots
  11. November, 99% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 12 knots
  12. December, 100% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.6 m (1.8 ft), wind has typically been 12 knots, historically most favorable

January, March, April, and December 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.

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.

  • Blackwedged butterflyfish recorded here Mar (2 records)

    Chaetodon falculamost recent 2016

  • Golden Trevally recorded here Mar (2 records)

    Gnathanodon speciosusmost recent 2016

  • Lemon Damsel recorded here Mar (2 records)

    Pomacentrus moluccensismost recent 2016

  • Pennant Coral Fish recorded here Mar (2 records)

    Heniochus acuminatusmost recent 2016

  • Powder Blue Surgeonfish recorded here Mar (2 records)

    Acanthurus leucosternonmost recent 2016

  • Redtooth Triggerfish recorded here Mar (2 records)

    Odonus nigermost recent 2016

  • Rosy Starfish recorded here Mar (2 records)

    Stichastrella roseamost recent 2016

  • Ember Parrotfish recorded here Mar (1 record)

    Scarus rubroviolaceusmost recent 2016

Newest record here: 2016. 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

A dive site in Thailand.

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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