The Dutch island of Terschelling is facing a critical situation as prolonged drought threatens the stability of its vital sea defenses. Water board Wetterskip Fryslân will increase inspections for cracks in the dikes and has banned sheep grazing to preserve vegetation. Residents, tourists, and farmers are being urged to conserve water due to a significant rainfall deficit - currently 269 millimeters nationally, and even higher locally. Officials fear that without sufficient rainfall by October, the dikes will be vulnerable to storm surges. Unlike mainland Netherlands, Terschelling cannot rely on rivers or lakes to replenish groundwater, making rainfall the only solution. The low groundwater levels and potential for dike degradation due to drying grass are major concerns, prompting authorities to take preventative measures.