June 19– High tide in Katama Bay, calm with light mist and very windy. Steady paddle keeping heart rate just below 100, 4 miles to Edgartown Light, 4 miles back, pushing HR last two miles. 6.1 mph average speed, 8.1 max, 1:20. 18′ surfski moves very well at relaxed heart rate effort, should easily maintain 5.5 mph for hours on end.