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Post I Jetty

Bali, IndonesiaDirections
Rash guard or 2mm shorty typical

Post I Jetty at a glance

Post I Jetty is a dive site in Bali, Indonesia. Typically most favorable Jan–Dec · from 3 years of archive data. Divers commonly see Lionfish and Red clown. Recent reports put the water around 29°C (85°F). Check the latest conditions and entry details before you go.

Favorable window now· until 19:00 · sunset 18:16

Forecast for this hour · 18:00 · run 5 h ago
0.2 m (0.8 ft)waves — under half a meter expected (waves — under a foot expected)

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

Dive windows this week

Sat14:00–19:00 favorable

0.3 m waves · 11 kn wind (0.9 ft waves · 11 kn wind)

Sun6:00–19:00 favorable

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

Mon6:00–19:00 favorable

0.1 m waves · 5 kn wind (0.4 ft waves · 5 kn wind)

Tue6:00–19:00 favorable

0.1 m waves · 5 kn wind (0.3 ft waves · 5 kn wind)

Wed6:00–19:00 favorable

0.1 m waves · 5 kn wind (0.3 ft waves · 5 kn wind)

Thu6:00–19:00 favorable

0.1 m waves · 9 kn wind (0.5 ft waves · 9 kn wind)

Fri6:00–19:00 favorable

0.2 m waves · 4 kn wind (0.6 ft waves · 4 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 5:34 · Sunrise 5:55 · Sunset 18:16 · some windows run past sunset

Source: Open-Meteo marine · model point 15 km from site · updated 24 Oct, 13:14 GMT+8

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Post I Jetty

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, 100% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.2 m (0.8 ft), wind has typically been 6 knots, historically most favorable
  2. February, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.3 m (0.9 ft), wind has typically been 6 knots, historically most favorable
  3. March, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.2 m (0.7 ft), wind has typically been 7 knots, historically most favorable
  4. April, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.2 m (0.6 ft), wind has typically been 7 knots, historically most favorable
  5. May, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.3 m (1.1 ft), wind has typically been 10 knots, historically most favorable
  6. June, 100% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.4 m (1.2 ft), wind has typically been 11 knots, historically most favorable
  7. July, 100% 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 13 knots, historically most favorable
  8. August, 100% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 0.4 m (1.4 ft), wind has typically been 13 knots, historically most favorable
  9. September, 100% 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 12 knots, historically most favorable
  10. October, 100% of days have historically been favorable, water has typically been 30°C (85°F), waves have typically been 0.3 m (1.0 ft), wind has typically been 11 knots, historically most favorable
  11. November, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.2 m (0.7 ft), wind has typically been 9 knots, historically most favorable
  12. December, 100% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.2 m (0.8 ft), wind has typically been 7 knots, historically most favorable

January, February, March, April, May, June, July, August, September, October, November, 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.

  • Allenbatrachus grunniens recorded here Oct (1 record)

    most recent 2012

  • Lionfish recorded here Jun (1 record)

    Pterois volitansmost recent 2019

  • Red clown recorded here Jun (1 record)

    Amphiprion frenatusmost recent 2019

  • Spotted Garden Eel recorded here Oct (1 record)

    Heteroconger hassimost recent 2012

Newest record here: 2019. 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

Post I Jetty is a dive site located in Indonesia.

reef

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

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