● Pool Covers · Review

Blue Wave 21-Ft Round Above Ground Pool Winter Cover, 8-Year

5 stars is a strong reliability track record for a mid-price cover. The tradeoff: not weight-rated, same as any winter tarp, don't let kids or pets walk on it.

✎ PickHonest Research Desk▦ Updated October 15, 2026◷ 3 min read

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Blue Wave 21-Ft Round Above Ground Pool Winter Cover, 8-Year

Blue Wave 21-Ft Round Above Ground Pool Winter Cover, 8-Year

Blue Wave

5 stars is a strong reliability track record for a mid-price cover. The tradeoff: not weight-rated, same as any winter tarp, don't let kids or pets walk on it.

  • 8-year warranty
  • 21-ft round fit
  • Elastic cable-and-winch tensioning system
  • Woven polyethylene tarp

Pros

  • Elastic cable system is faster to install than water bags around the full perimeter
  • Over 1,450 ratings at 4.5 stars is a strong reliability track record for a mid-price cover
  • 21-ft round sizing matches the most common above-ground pool diameter
  • 8-year warranty covers multiple winter seasons of UV and cold exposure

Cons

  • Not weight-rated, same as any winter tarp, don't let kids or pets walk on it
  • Shorter warranty than the Arctic Armor 15-year line at a similar price point
  • Cable-and-winch tensioning loosens over the season and needs occasional re-tightening
  • Standard woven material is more prone to wind flap tearing than scrim-reinforced tarps
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