The Beaufort Wind Force Scale measures wind speed and its observed effects on land and sea. Created by Sir Francis Beaufort, the scale ranges from 0 (calm) to 12 (hurricane).

Sea like a mirror Whistling heard in telegraph wires Umbrellas used with difficulty ...

A program created by the SC Aquarium enables anyone with a cell phone to turn flood photos into flood data. Beaufort County ...

In the 1800s people didn't have the tools we do now. So predictions had to come from scales they developed on their own, like this one that uses visual observations.

A sea state 3 means winds of 7-10 knots and 2-foot waves, according to the Beaufort Scale, a measure that estimates wind speed and its effects based on observed sea or land conditions.

All sea travel has been halted around key Greek ports following ... Rafina and Lavrio due to wind speeds reaching 7 to 8 on the Beaufort scale locally, meaning many tourists were left stranded. Ship ...

Maritime travel around key Greek ports has been halted due to severe gale force winds. The Greek authorities have enforced a sailing ban on ferries and ships departing from the ports of Piraeus, ...

A sea state 4 means winds of 11-16 knots and 3 to 5-foot waves, according to the Beaufort Scale, a measure that estimates wind speed and its effects based on observed sea or land conditions.