Skip to content
Map of Jansom Bay
Add the first photo
Shore entry

Jansom Bay

Thailand
Shore entryRash guard or 2mm shorty typical

Jansom Bay at a glance

Jansom Bay is a shore dive site in Thailand. Typically most favorable Mar–Apr · from 3 years of archive data. Recent reports put the water around 30°C (86°F). Check the latest conditions and entry details before you go.

Marine model · graded 14h ago
0.4 mwaves — under half a meter expected

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 30°C

Dive windows this week

Best: Sat
Wed7:00–19:00
Thu7:00–19:00
Fri7:00–19:00
Sat7:00–19:00
Sun7:00–19:00
Mon7:00–19:00
Tue

Favorable windowModerate window— no window

First light 5:47 · Sunrise 6:09 · Sunset 18:44

Source: Open-Meteo marine · model point 5.7 km from site · graded 14h ago

Forecast only — always assess conditions on site.

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.

Best months, historically

What conditions have historically been typical at this site, month by month — not a forecast.

  1. Jan87%28°C0.7 m
  2. Feb96%29°C0.6 m
  3. Mar100%29°C0.5 m
  4. Apr100%31°C0.3 m
  5. May99%31°C0.4 m
  6. Jun92%30°C0.5 m
  7. Jul88%30°C0.6 m
  8. Aug92%30°C0.5 m
  9. Sep84%30°C0.5 m
  10. Oct100%30°C0.4 m
  11. Nov82%29°C0.8 m
  12. Dec90%28°C0.8 m

March, April, and October havetypically 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.

  • Chaetodon plebeius recorded here Feb–Mar (3 records)

    most recent 2014

  • Chelmon rostratus recorded here Feb–Mar (3 records)

    most recent 2014

  • Heniochus acuminatus recorded here Feb–Mar (3 records)

    most recent 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.

Site details

Jansom Bay is a dive site located in Thailand. It is accessible from shore. Rated beginner based on available data.

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.