Answer: Stay off the water during storms or periods of high winds. Carry a flashlight in case you remain on the water after dark. Shine the light on a sail to warn approaching vessels of your presence if you have no navigation lights or if another vessel does not see your navigation lights.
Remember that sailboats with an engine must have the red, green, and white navigation lights.
Remember that the mast can be a conductor for lightning. Be aware of masthead clearance when passing under power lines and bridges.