Full service for trains tomorrow stopping at Forest Hill in both directions (copied from the Southern website):

London Bridge to London Bridge (via Forest Hill, Crystal Palace and Tulse Hill)

A half hourly service will operate at 06 and 36 past the hour calling at New Cross Gate (11 and 41) Brockley (14 and 44) Honor Oak Park (17 and 47) Forest Hill (19 and 49) Sydenham (22 and 52) Crystal Palace (30 and 00) Gipsy Hill (32 and 02) West Norwood (35 and 05) Tulse Hill (39 and 09) North Dulwich (42 and 12) East Dulwich (44 and 14) Peckham Rye (46 and 16) Queens Road (49 and 19) South Bermondsey (51 and 21) London Bridge arr 56 and 26. The first train will be at 06.06 and the last train will be at 22.06.

London Bridge to London Bridge (via Tulse Hill, Crystal Palace and Forest Hill)

A half hourly service will operate at 03 and 33 past the hour calling at South Bermondsey (07 and 37) Queens Road (09 and 39) Peckham Rye (12 and 42) East Dulwich (15 and 45) North Dulwich (17 and 47) Tulse Hill (21 and 51) West Norwood (24 and 54) Gipsy Hill (27 and 57) Crystal Palace (depart 39 and 09) Sydenham (12 and 42) Forest Hill (15 and 45) Honor Oak Park (17 and 47) Brockley (20 and 50) New Cross Gate (22 and 52) London Bridge arr 29 and 59. The first train will be at 06.03 and the last train will be at 21.33.