Can you still buy lightning rods and is it necessary
Build a small fire and toast marshmallows to go with the hot chocolate you should bring! HAVE FUN! - and don't forget the blankets!
I would take it up with management first. PPE is somewhat of a judgement call and there should be a JSA / SRA covering the situation. If you had a harness, where would you anchor it? Perhaps the real answer is redesigning the task.
Get a room in a beach resort. Enjoy the beach from the comfort and warmth of your room.
