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't koepeltje

NetherlandsDirections
7mm or semi-dry + hood typical

't koepeltje at a glance

't koepeltje is a dive site in Netherlands. Typically most favorable May · from 3 years of archive data. Recent reports put the water around 14°C (57°F). Check the latest conditions and entry details before you go.

Moderate window now· until 18:00 · sunset 17:28

Forecast for this hour · 15:00 · run 21 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 14°C · seasonal avg 16°C ( · Forecast 57°F · seasonal avg 61°F)

Dive windows this week

Lightest wind: Thu
Mon15:00–18:00 moderate

1.3 m waves · 14 kn wind (4.3 ft waves · 14 kn wind)

Tue8:00–11:00 moderate, 13:00–16:00 moderate, 16:00–18:00 favorable

1.2 m waves · 17 kn wind (4.1 ft waves · 17 kn wind)

Wed8:00–17:00 favorable, 17:00–18:00 moderate

1.0 m waves · 12 kn wind (3.2 ft waves · 12 kn wind)

Thu8:00–18:00 favorable

0.4 m waves · 4 kn wind (1.2 ft waves · 4 kn wind)

Fri8:00–18:00 favorable

0.4 m waves · 7 kn wind (1.2 ft waves · 7 kn wind)

Sat8:00–18:00 favorable

0.3 m waves · 8 kn wind (1.0 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 6:53 · Sunrise 7:28 · Sunset 17:28 · some windows run past sunset

Source: Open-Meteo marine · model point 10 km from site · updated 25 Oct, 18:17 CET

Forecast only — always assess conditions on site.

Compare this weekend’s windows near 't koepeltje

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.

  • Atelecyclus rotundatus recorded here Jun, Aug (2 records)

    most recent 2012

  • Astropecten irregularis recorded here Jul (1 record)

    most recent 2013

  • Common Lobster recorded here Aug (1 record)

    Homarus gammarusmost recent 2012

  • Homarus americanus recorded here Jun (1 record)

    most recent 2008

  • Myoxocephalus scorpius recorded here Jul (1 record)

    most recent 2002

  • Seven-armed Starfish recorded here Jul (1 record)

    Luidia ciliarismost recent 2013

Newest record here: 2013. 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

dive spot in the Netherlands

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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