40-meters on FT8 at night has always been sort of a nightmare for me. As 17/20/30-meters fade out, 40 comes alive with DX and US stations all jammed into that 2.5 KHz window. Here’s a sample of what it looks like on my end. Note the waterfall display in the upper-right:
I called CQ up near the top of the band and worked dozens of stations in about 45 minutes. PSK Reporter coverage looked pretty outstanding too:
If it was dark and there were people there, the signal was making it there.