Ireland may be better known for its rolling green hills than its monster swells, but it turns out the Emerald Isle can hold its own when it comes to sweet surf spots. Last week, the island’s northwest coast was hit by a weather system nicknamed the “Viking Storm,” which generated the biggest waves to hit the area in 15 years.

Fortunately for everyone, the waves didn’t go to waste- an international crew of  surfers hitched rides for a session of tow-in surfing that yielded some great riding.

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It was Irish surfer Andrew Cotton who rode the biggest wave of all, a monster that measured 50 feet off of Mullaghmore, in County Sligo. Record waves just in time for the world’s favorite day to wear green? Call it the luck of the Irish.