B&H has the Sirui W-1004 Waterproof Aluminum Tripod on sale today only - $99.99. Has a decent load capacity at 33 pounds (15kg). No firsthand experience with this although I have one of their carbon fiber monopods which is nice.
https://www.bhphotovideo.com/c/prod...srw1004_w_series_waterproof_tripod.html/specs
https://www.bhphotovideo.com/c/prod...srw1004_w_series_waterproof_tripod.html/specs