Name: Stomio
Address: GR

Overview

Stomio is a spot at the mouth of the Tempi valley (Pineios river), on the east coast of Thessaly, facing the northern Aegean Sea. This unique position at the exit of the Tempi valley creates a remarkable funneling effect: the Vardaris/Meltemi is channeled through the narrow valley between Mount Olympus and Mount Ossa, then accelerated as it exits onto the sea. One of the windiest spots in Thessaly thanks to this natural Venturi effect.

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Spot forecast for Stomio

Sunrise 07:44 · Sunset 18:43

Open-Meteo

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

Forecasts provided by Open-Meteo

Swell and waves

Swell and tides over 8 days. Premium members see the swell and tides over 8 days. Without a subscription: 5 days.

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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

Stomio: 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

87h

in August · 18 rideable days

The season runs from July to September, peaking in August: 16 rideable days a month and 87 hours of usable wind, at 28 °C. The low point is November, at 4 days.

Rideable days per month

Wind strength when it is rideable

7-12 knots · 93%13-20 knots · 7%21-30 knots · under 1%31+ knots · under 1%

When the spot works, wind sits mostly between 7 and 12 knots — 93% of rideable hours. Big-kite territory. The coldest month is January, at 10 °C. The wettest month is December, with 270 mm.

Monthly averages: Stomio

Monthly averages — Stomio — averaged over 2 years of records — Weather data by Open-Meteo.com — How it is calculated
Month	Rideable days	Usable wind	Temperature	Rain
January	6.5	52 h	10 °C	66 mm
February	4.5	34 h	11 °C	74 mm
March	6.0	35 h	15 °C	83 mm
April	10.0	50 h	18 °C	72 mm
May	12.5	70 h	21 °C	61 mm
June	8.5	49 h	29 °C	1 mm
July	15.5	80 h	31 °C	2 mm
August	18.0	87 h	29 °C	7 mm
September	13.5	71 h	25 °C	67 mm
October	8.0	58 h	20 °C	51 mm
November	4.0	20 h	15 °C	59 mm
December	6.5	57 h	11 °C	270 mm

Photo gallery of Stomio

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Technical details of Stomio spot

The spot works with winds from N, NNE, NE, ENE, E, ESE, SE, NNW.

Rideable Not rideable

Spot functioning

Launch from the sandy beach at the Pineios river mouth. ⚠️ In Vardaris/Venturi (NNW), the wind blows OFFSHORE — reserved for experienced riders able to ride upwind. In east/NE Aegean wind (onshore), much safer and more accessible conditions. The spot offers two zones: the river mouth with flat water, and the open sea with chop. The river current can be noticeable.

Spot opening date · Required level

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

On the water

At the Pineios river mouth, flat and brackish water — excellent flat water conditions. In the open sea, moderate to sustained chop depending on wind. The Aegean fetch (towards the Sporades) allows swell development in strong east wind. Mix of fresh and salt water at the mouth — murkier water.

Parking

Access from the village of Stomio via the coastal road. Parking in the village or in areas near the Pineios river mouth. Some tavernas and services in the village. Easy access.

Wind specificities

Exceptional Venturi effect created by the Tempi valley. The Meltemi/Vardaris (N/NNW) is channeled through the narrow valley between Olympus (2,917 m) and Ossa (1,978 m), creating a 20-40% acceleration at the exit onto the sea. The wind arrives offshore to side-offshore on the coast — CAUTION regarding being blown out to sea. East/NE winds from the Aegean arrive onshore, offering safer conditions. In summer, the two regimes often alternate during the day: Venturi in the morning, sea thermal in the afternoon.

Hazards

⚠️ OFFSHORE WIND in Vardaris/Venturi — major risk of being blown out to sea. The Venturi effect can generate gusts at 40+ knots at the valley exit. Pineios river current, reinforced after rain. Floating debris possible at the mouth. In strong east wind, shore break and swell. Spot requiring careful assessment of conditions before sailing. Never sail alone in offshore Vardaris.

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Live

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Webcams near Stomio

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Nearby spots

All spots: Greece

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Stomio kitesurf, wingfoil and windsurf spot