Most sealed ports will survive well for decades. That said, unlike humans, not many will improve with age. Tawny, ruby and late-bottled vintage ports, the most popular styles, typically do notBab al-Mandab is a narrow strait between Africa and the Arabian peninsula through which an estimated 12% of global trade by volume normally flows, and perhaps 30% of global container traffic.
It's true that the higher alcohol and residual sugar of Port will help protect against degradation, so you can expect it to last closer to a week or so, and in some magical cases, even longer than that. —Dr. Vinny
Wood-aged ports like tawny, ruby, and white usually last longer even after they are opened. Ruby port has a shelf life of up to 4-6 weeks. On the other hand, a tawny port can retain its quality for up to 3 months. In contrast, vintage ports start losing their quality quickly once they come in contact with oxygen.
George Sandeman When is the best time to drink Port? The best time to drink Sandeman Port is when you want to make a moment special. Served cool, or chilled, in a red wine glass it will make Depending on its type, port can last the following lengths of time in a refrigerator after being opened: Ruby & Tawny Port: 3 Weeks; White & Rose Port: 2 Weeks; Aged Tawny Port: 2 Months; Old Vintage Port: 24 Hours; Late Bottled Vintage Port: 1 Week; Thanks to the additional alcohol, opened port will last longer than regular table wine. B32Tts9.