br pThe best time to surf the Turnagain Bore at Turnagain Arm in Alaska is during an equinox, and riding the wave against the stunning backdrop of snow-covered mountains can last for hours. However, a solid winter wetsuit is recommended, as water temperatures in this part of Alaska hover around 4 °C, or 39 degrees.pbr pThis beautiful video follows Kristofor Swanson as he rides the wave on October 7.ppTurnagain, in Anchorage, is known as one of the top locations to ride a bore tidea.