Weather signal flags grew out of the use of the maritime signal flag, which was red, with a black square inside. Starting in 1871, this flag was used at 20 ports on the Atlantic and Gulf Coasts, ...

Vintage Nautical Flags from Room & Board These maritime flags send a crisp nautical signal in spring and summer home décor. By Abby Bielagus · 5/1/2017, 9:00 a.m.

The two-story tile mural spells out "Bank of America Sausalito Cal" in international maritime signal flags, on the back of the BofA branch on Bridgeway, the tourist thoroughfare.

If state Rep. Brad Klippert has his way, no other flag besides the Stars and Stripes, the Washington state flag and maritime signal flags will fly over state ferries.