If you’re about to take a sea voyage, this may indicate some hesitation on your part, especially a fear of trouble at sea or a fear of drowning (see Boat, Water). Alternatively, this may portend a safe vacation.
If you have been in distress, this dream shows that hope is on the horizon, and recovery will come.
A guiding energy’, akin to an angel (see Light).
If someone is standing at the top of a lighthouse, this can be an alternative tower or balcony dream that implies that you are the one sending out a message of hope or help.
Dreams of a lighthouse represent inspiration, and that you are being reminded of who you really are and why you are here. Dreams of a lighthouse are also a warning to use the light of your awareness to circumvent challenging circumstances.
(Psychological / emotional perspective) A lighthouse can act as a beacon and can lead us into calmer waters. It is also a warning system, and in dreams it tends to warn us of emotional difficulties. It can often have this significance in dreams whether emotionally or spiritually.
(material aspects) It will depend on whether we are aware in the dream of being on land or at sea.
If we are on land we are being warned of difficulties to come, probably from our own emotions.
If we are at sea we need to be careful not to create misunderstandings for ourselves by ignoring problems and be sure to steer the right course. You might also like to consult the entries for beacon, light and tower.