Name: Kegnæs - Østerby
Address: DK

Overview

Kegnæs Østerby is a spot on the Kegnæs peninsula, southern tip of Als island. The beach faces south toward the Flensburg Fjord/Baltic. Sandbank about 30 m offshore creating a very shallow area (down to 10 cm). Inside the dam (Lillehavet): perfect flat water for beginners. Outside: waves and currents for experienced riders.

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Spot forecast for Kegnæs - Østerby

Sunrise 07:35 · Sunset 16:32

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

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Swell and waves

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Wave height: < 0.5 m 0.5–1 m 1–2 m 2–3 m ≥ 3 m

Swell data by Open-Meteo Marine

Kegnæs - Østerby: 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

400h

in June · 25.5 rideable days

Wind is uneven from month to month: the best months are October, June and January, at 25 rideable days and 12 °C. The low point is February, at 18 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 56%13-20 knots · 39%21-30 knots · 4%31+ knots · under 1%

When the spot works, wind sits mostly between 7 and 12 knots — 56% of rideable hours. Big-kite territory. The coldest month is January, at 4 °C. The wettest month is July, with 110 mm.

Monthly averages: Kegnæs - Østerby

Monthly averages — Kegnæs - Østerby — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	24.5	215 h	4 °C	83 mm
February	18.0	165 h	5 °C	60 mm
March	18.0	187 h	8 °C	14 mm
April	19.0	211 h	12 °C	73 mm
May	19.0	203 h	17 °C	47 mm
June	25.5	400 h	18 °C	66 mm
July	24.0	316 h	21 °C	110 mm
August	24.5	308 h	21 °C	33 mm
September	18.5	212 h	18 °C	60 mm
October	26.0	282 h	13 °C	83 mm
November	21.0	192 h	8 °C	56 mm
December	24.5	194 h	6 °C	38 mm

Photo gallery of Kegnæs - Østerby

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Technical details of Kegnæs - Østerby spot

The spot works with winds from SE, SSE, S, SSW, SW, WSW, W, WNW, NW.

Rideable Not rideable

Spot opening date · Required level

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

On the water

Sandbank 30 m offshore creating a very shallow area (down to 10 cm). Left side: cleaner, smaller waves. Right side: choppier. Inside the dam (Lillehavet): flat water, waist-deep, no current or waves.

Hazards

Extremely shallow water (10 cm) can cause unexpected wipeouts. Outside the dam: currents, deep water, waves breaking very close to shore — experienced riders only. Stones and anglers on some beach sections. Mandatory bar management during breaks.

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Kegnæs Fyr4.5 kmsource dmi

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Additional stations

Wackerbay12 km

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source windy
Sønderborg Lufthavn13.8 km

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source dmi

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Schools, shops and places to stay nearby

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Nearby spots

All spots: Denmark

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Kegnæs - Østerby kitesurf, wingfoil and windsurf spot