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Boat entry

Pertamina Pier

East Nusa Tenggara, Indonesia
Open Water suggested3–25 m (10–82 ft) depthBoat entryRash guard or 2mm shorty typical

Boat dive — see Entry & access.

Pertamina Pier at a glance

Pertamina Pier is a boat dive site in East Nusa Tenggara, Indonesia with depths of 3–25 m (10–82 ft). Typically most favorable Nov · from 3 years of archive data. Divers commonly see Wonderpus octopus, Nudibranch, and Juvenile batfish. Recent reports put the water around 30°C (87°F). Check the latest conditions and entry details before you go.

Favorable window now· until 0:00

Forecast for this hour · 22:00 · run 8 h ago
0.1 m (0.3 ft)waves — under half a meter expected (waves — under a foot expected)

Tap a factor for its source and model point · Forecast 30°C · seasonal avg 30°C ( · Forecast 87°F · seasonal avg 86°F)

Site hazards: Venomous critters, pier structure/pilings, boat and fuel-depot traffic, silt

Read the full hazards ↓

Dive windows this week

Mon14:00–0:00 favorable

0.1 m waves · 3 kn wind (0.3 ft waves · 3 kn wind)

TueNo window

0.1 m waves · 3 kn wind (0.2 ft waves · 3 kn wind)

WedNo window

0.1 m waves · 3 kn wind (0.2 ft waves · 3 kn wind)

ThuNo window

0.1 m waves · 3 kn wind (0.4 ft waves · 3 kn wind)

FriNo window

0.2 m waves · 2 kn wind (0.6 ft waves · 2 kn wind)

SatNo window

0.1 m waves · 2 kn wind (0.4 ft waves · 2 kn wind)

SunNo window

0.1 m waves · 2 kn wind (0.2 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 4:53 · Sunrise 5:15 · Sunset 17:36 · all windows sit within daylight

Source: Open-Meteo marine · model point 19 km from site · updated 26 Oct, 13:26 GMT+8

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Pertamina Pier

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: Nudibranch, Squat lobster
Best time: Year-round; good for night dives

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, 85% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 14 knots
  2. February, 75% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 15 knots
  3. March, 90% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.6 m (1.8 ft), wind has typically been 12 knots
  4. April, 94% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.5 m (1.5 ft), wind has typically been 11 knots
  5. May, 99% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.9 m (3.0 ft), wind has typically been 11 knots
  6. June, 91% of days have historically been favorable, water has typically been 29°C (85°F), waves have typically been 0.9 m (3.1 ft), wind has typically been 12 knots
  7. July, 85% of days have historically been favorable, water has typically been 29°C (83°F), waves have typically been 1.0 m (3.2 ft), wind has typically been 13 knots
  8. August, 80% of days have historically been favorable, water has typically been 28°C (83°F), waves have typically been 1.0 m (3.3 ft), wind has typically been 14 knots
  9. September, 91% of days have historically been favorable, water has typically been 29°C (84°F), waves have typically been 0.8 m (2.7 ft), wind has typically been 11 knots
  10. October, 99% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.5 m (1.6 ft), wind has typically been 10 knots
  11. November, 100% of days have historically been favorable, water has typically been 31°C (87°F), waves have typically been 0.4 m (1.2 ft), wind has typically been 9 knots, historically most favorable
  12. December, 99% of days have historically been favorable, water has typically been 30°C (86°F), waves have typically been 0.6 m (1.9 ft), wind has typically been 13 knots

November has 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 seen at this site

Species noted at this site — 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.

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 black-sand muck dive under and beside the Pertamina fuel-depot pier in Kalabahi Bay, with a rocky slope to one side. The sandy bottom hosts fingered dragonets, Ambon scorpionfish, juvenile batfish, squat lobsters and a wide variety of nudibranchs, with wonderpus and mimic octopus reported. A classic sheltered Alor critter and night-dive site.

boatmuckshore

Venomous critters, pier structure/pilings, boat and fuel-depot traffic, silt

Reviews

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