Overview

Razende Bol is one of the most legendary and extreme kitesurf spots in the Netherlands — an isolated sandbar in the Waddenzee, off the northern tip of Noord-Holland, reachable only by kitesurfing across the Marsdiep channel from Huisduinen (Den Helder). Epic flat-to-choppy water, wind from all directions, absolute wilderness.

⚠️ Expert only. No rescue. No facilities. Crossing requires strong conditions and expert skills. The Marsdiep channel has some of the strongest currents in the Netherlands. The sandbar itself offers unique conditions — surrounded by the Waddenzee with views of Texel. A bucket list kite experience for the most experienced Dutch riders.

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Spot forecast for Razende Bol

Sunrise 08:16 · Sunset 18:35

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< 7 kn7–12 kn13–20 kn21–30 kn31–40 kn41+ kn Gusts Your minimum: 7 kn

Next tides

Low tide Tue 20 · 09:09 · 1.2 m
High tide Tue 20 · 11:56 · 1.9 m
Low tide Tue 20 · 13:41 · 1.7 m
High tide Tue 20 · 15:19 · 1.9 m

Forecasts provided by Open-Meteo

Razende Bol: when to go?

Rideable days and hours computed for a minimum wind of 7 knots · log in to set your own (foil, twin-tip…)

Season · peak

491h

in July · 31 rideable days

The spot works year-round: 30 rideable days a month on average, at 13 °C. It peaks in July, with 491 hours of usable wind.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 44%13-20 knots · 43%21-30 knots · 12%31+ knots · 1%

When the spot works, wind sits mostly between 7 and 12 knots — 44% of rideable hours. Big-kite territory. The coldest month is January, at 6 °C. The wettest month is November, with 153 mm.

Monthly averages: Razende Bol

Monthly averages — Razende Bol — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	29.5	298 h	6 °C	95 mm
February	27.5	287 h	7 °C	98 mm
March	29.5	353 h	10 °C	30 mm
April	29.0	393 h	13 °C	52 mm
May	30.5	457 h	16 °C	75 mm
June	30.0	484 h	17 °C	84 mm
July	31.0	491 h	20 °C	71 mm
August	31.0	431 h	20 °C	40 mm
September	29.0	395 h	18 °C	141 mm
October	30.5	353 h	14 °C	112 mm
November	29.0	288 h	10 °C	153 mm
December	30.0	286 h	7 °C	74 mm

Photo gallery of Razende Bol

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Technical details of Razende Bol spot

The spot works with winds from N, NNE, NE, ENE, E, ESE, SE, SSE, S, SSW, SW, WSW, W, WNW, NW, NNW.

Rideable Not rideable

Spot functioning

Launch from Huisduinen beach (Den Helder, Noord-Holland). Cross the Marsdiep channel — strong currents, expert crossing only. GPS: Razende Bol sandbar, Waddenzee. No ferry access. Must return by kiting back across Marsdiep. Go with experienced local riders who know the crossing. Check wind and tidal windows carefully.

Spot opening date · Required level

Spot opening date: Open all year round
Required level: Expert

On the water

Waddenzee sandbar — flat to choppy, tidal. Surrounded by water. Completely exposed. All wind directions. No standing area except on the sandbar itself. Cold year-round. Wetsuit 5/4mm+ essential. Salt water. Strong tidal currents around sandbar perimeter.

Wind specificities

All wind directions work on the sandbar itself. The critical factor is the Marsdiep crossing (N/NW/W best for crossing from Huisduinen). Expert only. One of the Netherlands' most extreme and iconic spots. Best conditions: strong SW/W (reaching the bar) + enough wind for safe return. Never alone.

Hazards

Expert spot — Razende Bol is an offshore sandbar with no rescue services. Only reachable by kiting from Huisduinen (Den Helder) — strong Marsdiep channel currents crossing. North Sea + Waddenzee currents combine. No facilities on sandbar. Self-rescue essential. Expert minimum — do not attempt alone. Tide-dependent crossing. Strong wind required but conditions can change rapidly.

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TEXELHORS WP4.3 kmsource knmi

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Additional stations

Julianadorp - Powered by the Nederlandse Kitesurf Vereniging5.8 km

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source barani_widget
DE KOOY VK7.5 km

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source knmi

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Webcams near Razende Bol

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Nearby spots

All spots: Hollande-Septentrionale

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Razende Bol kitesurf and wingfoil spot