QDM, sorry, no the lower you go the more dangerous it is.
The real problem is when the sea is SO calm and the Viz SO poor that the two become one in effect. It is similar to "Glassy landings" in Seaplanes.
There have been numerous accidents in these condditions. Ones I immediately recall are the Scilly Isles S 61 Helo that crashed into the sea with the loss of 17 or so lives and a Hawk that ran into the sea at 500+ knots off Gibralter and luckilly recovered into Gib with only a damaged aileron.
These conditions should be avoided at all costs.
UV