What is wnw

Definition and Compass Position

WNW, or West-Northwest, is a secondary compass direction that falls between due West (270 degrees) and Northwest (315 degrees) on a compass rose. More precisely, West-Northwest is positioned at approximately 282.5 degrees when measured clockwise from North. This directional notation is part of the expanded compass system that provides more precise directional information than the basic cardinal directions (North, South, East, West).

The Expanded Compass System

The traditional four-cardinal compass directions (North, South, East, West) have been expanded into eight intercardinal directions (Northeast, Southeast, Southwest, Northwest) and further into sixteen secondary directions that include WNW. This expanded system allows for more precise directional references in navigation, surveying, and meteorology. Each of the sixteen points is separated by 22.5 degrees, providing increasingly granular directional information suitable for modern navigation systems.

Use in Meteorology and Weather

WNW is perhaps most commonly encountered in meteorological contexts, particularly in weather forecasts and reports. When meteorologists describe wind direction, they specify which direction the wind is coming FROM, not going TO. A West-Northwest wind means wind traveling from the WNW direction toward the opposite direction. Weather services worldwide use these directional indicators to provide precise information about wind patterns, helping people understand weather conditions and make informed decisions about outdoor activities.

Navigation and Aviation Applications

In aviation, maritime navigation, and ground-based surveying, WNW provides essential directional information. Pilots, ship captains, and navigators use these compass points to maintain accurate headings and courses. GPS and electronic navigation systems have supplemented traditional compass-based navigation, but understanding compass directions remains important for backup navigation, map reading, and emergency procedures. Modern aviation charts and nautical charts still prominently display compass roses with all sixteen directional points.

Practical Significance

Understanding compass directions like WNW is valuable for hiking, camping, sailing, and other outdoor activities. When using maps or planning routes, knowing compass directions helps people navigate accurately. Many outdoor enthusiasts and professionals reference compass directions when describing locations relative to landmarks or providing directions to others. In an era of GPS technology, these traditional navigation skills remain useful for understanding maps and backup navigation methods.