The role of mobile phones in providing vital information to the survivors of disasters and weather alerts to the fishermen communities in coastal areas is being widely acknowledged and studied around the world. In this context, this article deals with the use of the mobile phone in providing information related to weather and disaster situations to the fishermen communities of the Indus Delta region of Pakistan.  This includes the analysis of the data about the disaster situations fishermen communities normally face and studying the impact of mobile phones in providing relevant information about the most common disaster-related vulnerabilities of fishermen communities living in the Indus Delta.  The article also deals with the use of the mobile phone during disaster situations that include the use of a mobile phone to receive weather–forecast information, receiving disaster alerts, communication between survivors and rescue cum relief agencies, and to obtain guidance for planning fish-catching trips as per weather forecast received through mobile phone.  The impact of socio-demographic factors on the use of a mobile phone for disaster and weather-related information by fishermen communities is also analyzed in this article. The data for this study were collected through a cross-sectional survey method from the fishermen of the Indus Delta and it was analyzed with the help of SPSS software to address the research questions related to the topic. The results of the study indicate that mobile phone has penetrated widely among the fishermen communities of the Indus Delta. The results also indicate the use of a mobile phone for receiving weather information and disaster risk reduction to some extent by fishermen communities of the Indus Delta.