Weather

Beaufort Scale: Force 7, Gale Force and What 56 Knots Means

A sailor's guide to Beaufort Force 7, gale force, 56-knot winds, and the passage-planning factors that matter beyond a forecast number.

Reviewed 16 July 20263 min read

Direct answer

Beaufort Force 7 is a near gale with winds of 28–33 knots, while gale force begins at Force 8, 34–40 knots. A sustained 56-knot wind is Force 11, described as a violent storm. For a small craft, the decision also depends on direction, tide, sea room, shelter, visibility, vessel condition and crew capability.

By Compass RevisionPublished 5 July 2026289 words

Is Force 7 a gale?

The Met Office Beaufort scale classifies Force 7 as a near gale, with wind limits of 28–33 knots. It is already demanding for many small craft, particularly with wind against tide, limited sea room, a lee shore, poor visibility or a tired crew.

Gale force begins at Force 8, 34–40 knots. The distinction matters because forecast terminology has defined ranges. It does not mean Force 7 is automatically suitable for a particular boat or crew.

What Beaufort force is 56 knots?

A sustained wind of 56 knots is at the lower limit of Beaufort Force 11, violent storm. The Met Office gives Force 11 as 56–63 knots.

That is far outside normal small-craft training and recreational passage conditions. Forecast gusts and sustained mean wind are not the same measure, so read the forecast product carefully before comparing it with the scale.

How should the scale influence a passage plan?

The number is one input. Combine it with wind direction, tidal stream, expected sea state, fetch, shelter, sea room, visibility, crew experience, vessel condition and available alternatives.

Wind against tide can produce a steeper, shorter sea. An offshore wind may flatten water close to shore while making a return difficult. A sheltered departure does not prove that an exposed headland or harbour entrance will be comfortable later.

What decision should a skipper make?

Set limits before departure and identify the observation that would trigger delay, diversion or return. Those limits should be conservative enough for the least experienced crew member and the most exposed part of the route.

Use the latest inshore-waters or relevant marine forecast, check actual observations, and keep reassessing. The Beaufort scale helps interpret conditions; it does not replace a passage-specific judgement.

Primary sources

Compass Revision is an independent revision aid and is not affiliated with or endorsed by the RYA. Check current official publications, charts, forecasts and local directions before making a real passage or safety decision.