These Series 20 pedestal navigation lights are designed for powerboats, which don't heel as much as sailboats.
They feature a relatively flat beam, low glare lenses, and use 5 watt bulbs.

May be used as running (power only) or anchor (all vessels) light
Non-corroding fiberglass reinforced polycarbonate housing
Base included; folding model folds in either direction
Polycarbonate Fresnel lens
Bulb (included): 12V/5W BA 9 bayonet
Prewired with 6" leads
USCG certified
Has 2 nautical mile visibility; with proper mounting, this light meets the requirements for use as an anchor light on vessels to 164 ft.