The Beaufort by Teleporio.com™

A learning tool that pairs the Beaufort scale with plain-language travel context. Official definitions describe wind effects; traveler notes are editorial interpretation, not a forecast or an operating decision.

Important: A specific Beaufort level does not guarantee a ferry cancellation. Cancellations depend on vessel type, specific route conditions, and port authority decrees.

Force 0–12 Reference

Verified Data
Force00–1 km/h

Calm

Official Definition

"Sea like a mirror"

Traveler Reality

Conditions can still vary by location. Check a current official forecast before setting out.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force11–5 km/h

Light air

Official Definition

"Ripples with the appearance of scales"

Traveler Reality

Conditions can still vary by location. Check a current official forecast before setting out.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force26–11 km/h

Light breeze

Official Definition

"Small wavelets; crests glassy"

Traveler Reality

Conditions can still vary by location. Check a current official forecast before setting out.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force312–19 km/h

Gentle breeze

Official Definition

"Large wavelets; scattered whitecaps"

Traveler Reality

Conditions can still vary by location. Check a current official forecast before setting out.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force420–28 km/h

Moderate breeze

Official Definition

"Small waves become longer; frequent whitecaps"

Traveler Reality

Allow more flexibility in exposed places and consult current local conditions.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force529–38 km/h

Fresh breeze

Official Definition

"Moderate waves; many whitecaps"

Traveler Reality

Allow more flexibility in exposed places and consult current local conditions.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force639–49 km/h

Strong breeze

Official Definition

"Large waves begin to form; spray likely"

Traveler Reality

Allow more flexibility in exposed places and consult current local conditions.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force750–61 km/h

Near gale

Official Definition

"Sea heaps up; foam streaks"

Traveler Reality

Use current official forecasts and carrier information for any transport decision.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force862–74 km/h

Gale

Official Definition

"Moderately high waves; spray reduces visibility"

Traveler Reality

Use current official forecasts and carrier information for any transport decision.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force975–88 km/h

Strong gale

Official Definition

"High waves; visibility affected by spray"

Traveler Reality

Use current official forecasts and carrier information for any transport decision.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force1089–102 km/h

Storm

Official Definition

"Very high waves; extensive foam"

Traveler Reality

Use current official forecasts and carrier information for any transport decision.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force11103–117 km/h

Violent storm

Official Definition

"Exceptionally high waves; widespread foam"

Traveler Reality

Use current official forecasts and carrier information for any transport decision.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Force12118+ km/h

Hurricane force

Official Definition

"Air filled with foam and spray"

Traveler Reality

Use current official forecasts and carrier information for any transport decision.

Ferry Impact Context

A Beaufort value alone does not determine whether a ferry operates. The carrier and relevant authorities make that decision.

Meteorological definitions sourced from: Hellenic National Meteorological Service

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