Port wine being stored at Taylor's. How long Port wine lasts after opening. Port wine is higher in alcohol than regular wine with alcohol levels between 19-22% ABV.. Apart from Vintage Port, the higher alcohol levels mean that Port wine can last longer than regular wine after opening.This is especially true for Tawny Port. 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 not How Long Does Port Wine Last When Open? Thanks to the added brandy, Port wine will last much longer than regular table wine after opening the bottle. If you recap the bottle, you can store most types for at least two to four weeks at room temperature. Unfortunately, its lifespan is cut short after opening. Port in a decanter can last between two weeks to three months. The amount of time it can last in a decanter depends on several factors such as decanter type, amount of Port in the decanter, prevailing environmental conditions, and how often you open the decanter. When properly stored, an opened bottle of port wine can last anywhere from a few days to a few weeks. However, it's important to note that the quality and flavor of the wine may start to deteriorate over time. To ensure the best taste and enjoyment, here are a few tips to follow: 1. Proper Storage Unfiltered LBV Ports can last for two to three weeks if they are stored at approximately 8 °C to 10°C. Filtered LBV Ports can last around 10 to 12 days after opening, without any significant loss of quality. Aged Tawny Port. Aged tawny port wines that are 10-40 years old can last up to two months after being opened without any noticeable 0CEmE.

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