In article , Roy Smith
wrote:

David Rind wrote:
Why stop at 500 MSL, though? This seems like pretty much your last out.
Why not descend until you can see the water

I don't really have a good answer to that. At some point I guess you're
down to picking the least of several evils.

Have you ever read "Flying South" by Barbara Cushman Rowell? There's an
amazing story in there about flying up along the coast of Brazil at
100' MSL in the fog, a VFR pilot, trying to keep the coastline in sight
and find a place to land before she got lost in the fog.