* WHAT...North winds 10 to 20 mph with gusts up to 35 mph expected. * WHERE...Lake Mead National Recreation Area, Lake Havasu and Fort Mohave, and San Bernardino County-Upper Colorado River Valley. * WHEN...Until 5 PM PDT / MST Saturday. * IMPACTS...Strong winds and rough waves on area lakes will create hazardous conditions for small craft. * ADDITIONAL DETAILS...The Wind Advisory will be allowed to expire on time, as it will be replaced by a Lake Wind Advisory along the Colorado River Valley.