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เกาะบิดะนอก

ThailandDirections
Rash guard or 2mm shorty typical

เกาะบิดะนอก at a glance

เกาะบิดะนอก is a dive site in Thailand. Typically most favorable Apr–May · from 3 years of archive data. Divers commonly see Clown Anemonefish, Giant Moray, and Lionfish. Recent reports put the water around 31°C (88°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:05

Forecast for this hour · 8:00 · run 20 h ago
0.5 m (1.7 ft)waves — under a meter expected (waves — about two feet expected)

Tap a factor for its source and model point · Forecast 31°C · seasonal avg 30°C ( · Forecast 88°F · seasonal avg 86°F)

Dive windows this week

Mon7:00–19:00 favorable

0.6 m waves · 3 kn wind (1.8 ft waves · 3 kn wind)

Tue7:00–19:00 favorable

0.5 m waves · 8 kn wind (1.6 ft waves · 8 kn wind)

Wed7:00–19:00 favorable

0.4 m waves · 10 kn wind (1.2 ft waves · 10 kn wind)

Thu7:00–19:00 favorable

0.4 m waves · 7 kn wind (1.1 ft waves · 7 kn wind)

Fri7:00–19:00 favorable

0.4 m waves · 7 kn wind (1.3 ft waves · 7 kn wind)

Sat7:00–19:00 favorable

0.3 m waves · 8 kn wind (0.9 ft waves · 8 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 5:50 · Sunrise 6:12 · Sunset 18:05 · some windows run past sunset

Source: Open-Meteo marine · model point 6.6 km from site · updated 25 Oct, 12:24 GMT+7

Forecast only — always assess conditions on site.

Compare this weekend’s windows near เกาะบิดะนอก

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: Clown Anemonefish, Lionfish, Titan Triggerfish

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, 94% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.5 m (1.5 ft), wind has typically been 15 knots
  2. February, 93% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.4 m (1.4 ft), wind has typically been 15 knots
  3. March, 97% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.4 m (1.3 ft), wind has typically been 14 knots
  4. April, 100% of days have historically been favorable, water has typically been 31°C (88°F), waves have typically been 0.4 m (1.2 ft), wind has typically been 12 knots, historically most favorable
  5. May, 100% of days have historically been favorable, water has typically been 31°C (88°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 11 knots, historically most favorable
  6. June, 94% of days have historically been favorable, water has typically been 30°C (87°F), waves have typically been 0.8 m (2.5 ft), wind has typically been 13 knots
  7. July, 90% of days have historically been favorable, water has typically been 30°C (87°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 13 knots
  8. August, 96% of days have historically been favorable, water has typically been 30°C (87°F), waves have typically been 0.8 m (2.5 ft), wind has typically been 13 knots
  9. September, 86% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.8 m (2.8 ft), wind has typically been 14 knots
  10. October, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.5 m (1.7 ft), wind has typically been 12 knots, historically most favorable
  11. November, 98% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.5 m (1.5 ft), wind has typically been 13 knots
  12. December, 99% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.4 m (1.4 ft), wind has typically been 14 knots

April, May, and October 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.

  • Giant Moray recorded here Dec–Apr, Jul (12 records)

    Gymnothorax javanicusmost recent 2016

  • Yellow Boxfish recorded here Feb, Apr, Dec (9 records)

    Ostracion cubicusmost recent 2017

  • Clown Anemonefish recorded here Dec–Mar (8 records)

    Amphiprion ocellarismost recent 2016

  • Titan Triggerfish recorded here Dec–Jan, Mar–Apr, Jul (6 records)

    Balistoides viridescensmost recent 2020

  • Hawksbill turtle recorded here Apr, Nov (5 records)

    Eretmochelys imbricatamost recent 2017

  • Harlequin Sweetlips recorded here Dec–Jan (4 records)

    Plectorhinchus chaetodonoidesmost recent 2016

  • Lionfish recorded here Dec–Jan, Mar (4 records)

    Pterois volitansmost recent 2016

  • Orange-lined Triggerfish recorded here Feb, May (4 records)

    Balistapus undulatusmost recent 2013

Newest record here: 2020. 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

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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