No, it's not possible to obtain an arrest warrant without probable cause. In order to make a lawful arrest, the police must have probable cause.Police officers are allowed to arrest you if they have probable cause to believe that you committed an offense. Officers may arrest an individual without a warrant if they have probable cause to believe the person has committed a criminal offense in their presence. Why is the coast guard, and police on boats allowed to violate our rights and just board our boats without a warrant or probable cause? In certain circumstances, such as exigent circumstances or consent, the police can search your house without a warrant. Probable cause requires more than a mere suspicion that a suspect committed a crime but not an absolute certainty. There are many ways that the police can establish probable cause to arrest an individual. Some courts have indicated that probable cause alone ordinarily is sufficient to support an arrest entry. Why is the coast guard, and police on boats allowed to violate our rights and just board our boats without a warrant or probable cause?