I don't need this to tell me to not go swimming if the water's cold.
...National Weather Service Cold Water Safety Message...
...Please check with state and local authorities regarding
guidelines for allowed activities...
* The warm air temperatures today in the 60s may cause people to
underestimate the dangers of the cold water temperatures which are
currently only in the mid 50s across Sebago Lake and Lake
Winnipesaukee, and in the mid and upper 50s in the regions smaller
lakes and rivers.
* The cold water temperatures can quickly cause hypothermia to
anyone immersed in the water. When the water temperature is below
60 degrees, the average submerged person could loose dexterity
within minutes and be unable to accomplish simple tasks. Anyone
on small boats, canoes, or kayaks should plan accordingly if
recreating this weekend and use extreme caution to avoid this
threat. Paddle smart from the start and always wear your life
* Strong winds are also expected today with gusts between 25 and 30
mph from the northwest. If boating on large bodies of water, these
strong winds can increase the likelihood of overturning your
boat,canoe or kayak due to increased wave heights.