A 28-year-old British professional surfer is reported missing after disappearing during a stand-up paddle boarding excursion off the Portuguese coast, according to the available report. The incident is described as occurring during a paddle boarding outing offshore Portugal, after which the surfer did not resurface or return. The report frames the situation as a cause for concern and notes fears for his safety. However, the information provided does not include additional details such as the exact location, time of the disappearance, weather conditions, whether any distress signals were sent, or the actions taken by local authorities and search teams. It also does not specify how long he has been missing or provide any confirmed findings. Based on the source available, the key development is the disappearance itself during the paddle boarding excursion, with ongoing concerns for the surfer’s welfare.