Beaufort Scale
A system for clasifying wind strengths and sea conditions:
1 Light Air Or just sufficient to give steerage way.
2 Light Breeze Or that in which a man-of-war with all Sail set, and clean full would go in smooth water from. 1 to 2 knots
3 Gentle Breeze 3 to 4 knots
4 Moderate Breeze 5 to 6 knots
5 Fresh Breeze Or that to which a well-conditioned man-of-war could just carry in chase, full and by. Royals.
6 Strong Breeze Single-reefed topsails and top-gal. Sail
7 Moderate Gale Double reefed topsails, Jib.
8 Fresh Gale Treble-reefed topsails.
9 Strong Gale Close-reefed topsails and courses.
10 Whole Gale Or that with which she could scarcely bear close-reefed main-topsail and reefed fore-sail.
11 Storm Or that which would reduce her to storm staysails.
12 Hurricane Or that which no canvas could withstand
1 Light Air Or just sufficient to give steerage way.
2 Light Breeze Or that in which a man-of-war with all Sail set, and clean full would go in smooth water from. 1 to 2 knots
3 Gentle Breeze 3 to 4 knots
4 Moderate Breeze 5 to 6 knots
5 Fresh Breeze Or that to which a well-conditioned man-of-war could just carry in chase, full and by. Royals.
6 Strong Breeze Single-reefed topsails and top-gal. Sail
7 Moderate Gale Double reefed topsails, Jib.
8 Fresh Gale Treble-reefed topsails.
9 Strong Gale Close-reefed topsails and courses.
10 Whole Gale Or that with which she could scarcely bear close-reefed main-topsail and reefed fore-sail.
11 Storm Or that which would reduce her to storm staysails.
12 Hurricane Or that which no canvas could withstand
