Cold front

cold front - Used in meteorology to describe a mass of cold air moving toward a mass of warm air. Strong winds and rain typically accompany a cold front.

cold front - The forward edge of a cold air mass meeting warmer air; a meteorological term for describing weather.

Cold Front: Cold air rapidly pushes beneath warm air. This front can move fast, up to 25-30 knots, and weather deteriorates with rain, strong winds and thunderstorms.

Cold front
A boundary separating cold and warm air masses at which the cold air is advancing.
Combined seas or combined waves ...

An October cold front exhaled 25 knots with stronger gusts across Rhode Island's Narragansett Bay but nobody aboard the Nautor's Club Swan 42 seemed to mind. In fact, the crew was grinning like a bunch of 10-year-old boys.

A sudden intense wind storm of short duration, often accompanied by rain. Squalls often accompany an advancing cold front.
Square Knot
Reef knot. A simple knot that can slip. Often used on sailboats when reefing.

We were bound for the Bay Islands of Honduras with a planned stop at Lighthouse Reef, home of the famed Blue-Hole dive spot. It was early February and an uncharacteristically cold northwest wind was sweeping across Belize. Northers (cold fronts) ...

See also: Forward, Reach, South, Boat, Sailboat