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Oesterdam

NetherlandsDirections
7mm or semi-dry + hood typical

Oesterdam at a glance

Oesterdam is a dive site in Netherlands. Typically most favorable May · from 3 years of archive data. Recent reports put the water around 16°C (60°F). Check the latest conditions and entry details before you go.

No window today· next: tomorrow 9:00–18:00 · favorable & moderate

Forecast for this hour · 23:00 · run 16 h ago
1.2 m (4.0 ft)waves — about a meter expected (waves — about four feet expected)

Tap a factor for its source and model point · Forecast 16°C · seasonal avg 16°C ( · Forecast 60°F · seasonal avg 61°F)

Dive windows this week

Smallest waves: Sat
FriNo window

0.9 m waves · 26 kn wind (2.8 ft waves · 26 kn wind)

Sat9:00–13:00 moderate, 13:00–15:00 favorable, 15:00–18:00 moderate

0.7 m waves · 20 kn wind (2.4 ft waves · 20 kn wind)

Sun9:00–10:00 moderate, 11:00–12:00 moderate, 18:00–19:00 moderate

1.1 m waves · 23 kn wind (3.5 ft waves · 23 kn wind)

MonNo window

10 kn wind (10 kn wind)

TueNo window

15 kn wind (15 kn wind)

WedNo window

11 kn wind (11 kn wind)

ThuNo window

4 kn wind (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 7:46 · Sunrise 8:21 · Sunset 18:33 · some windows run past sunset

Source: Open-Meteo marine · model point 3.7 km from site · updated 23 Oct, 07:21 CEST

Forecast only — always assess conditions on site.

Compare this weekend’s windows near Oesterdam

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, 78% of days have historically been favorable, water has typically been 6°C (43°F), waves have typically been 0.4 m (1.4 ft), wind has typically been 15 knots
  2. February, 88% of days have historically been favorable, water has typically been 6°C (42°F), waves have typically been 0.4 m (1.2 ft), wind has typically been 14 knots
  3. March, 91% of days have historically been favorable, water has typically been 7°C (44°F), waves have typically been 0.3 m (1.0 ft), wind has typically been 13 knots
  4. April, 92% of days have historically been favorable, water has typically been 10°C (50°F), waves have typically been 0.3 m (1.1 ft), wind has typically been 13 knots
  5. May, 100% of days have historically been favorable, water has typically been 14°C (56°F), waves have typically been 0.3 m (1.0 ft), wind has typically been 12 knots, historically most favorable
  6. June, 98% of days have historically been favorable, water has typically been 18°C (65°F), waves have typically been 0.3 m (1.0 ft), wind has typically been 12 knots
  7. July, 95% of days have historically been favorable, water has typically been 20°C (69°F), waves have typically been 0.3 m (1.0 ft), wind has typically been 12 knots
  8. August, 96% of days have historically been favorable, water has typically been 21°C (69°F), waves have typically been 0.3 m (1.0 ft), wind has typically been 12 knots
  9. September, 92% of days have historically been favorable, water has typically been 20°C (68°F), waves have typically been 0.3 m (1.1 ft), wind has typically been 12 knots
  10. October, 90% of days have historically been favorable, water has typically been 16°C (61°F), waves have typically been 0.4 m (1.2 ft), wind has typically been 13 knots
  11. November, 83% of days have historically been favorable, water has typically been 12°C (54°F), waves have typically been 0.4 m (1.3 ft), wind has typically been 14 knots
  12. December, 80% of days have historically been favorable, water has typically been 8°C (46°F), waves have typically been 0.4 m (1.4 ft), wind has typically been 15 knots

May 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 recorded at this site, by month

Recorded observations — evidence of past sightings, not a promise of what you’ll encounter.

  • Geitodoris planata recorded here Nov (2 records)

    most recent 2013

  • Sagartia undata recorded here Nov (2 records)

    most recent 2013

  • Anguilla anguilla recorded here Jun (1 record)

    most recent 2013

  • Brown Shrimp recorded here Nov (1 record)

    Crangon crangonmost recent 2013

  • Common Cuttlefish recorded here Jun (1 record)

    Sepia officinalismost recent 2013

  • Common northern comb jelly recorded here Nov (1 record)

    Bolinopsis infundibulummost recent 2013

  • Dicentrarchus labrax recorded here Sep (1 record)

    most recent 2014

  • Hermit Crab recorded here Nov (1 record)

    Pagurus bernhardusmost recent 2013

Newest record here: 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

No dive shops mapped within 25 km (16 mi). Know one? Add it to the map.

Data updated July 2026

Site details

Divingspot in Zealand (the Netherlands)

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

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