The Spanish never regained the weather-gauge for the next nine days.

Evidence

But behind them, and directly to windward, the Spanish saw the main body of the English fleet. The Spanish had lost the weather-gauge, and, since the wind for the next nine days blew mostly from the west, they were never except for brief intervals to regain it. — Garrett Mattingly, The Defeat of the Spanish Armada, 618

Categorization

• corroborated: 2 independent passages support this claim — Garrett Mattingly, The Defeat of the Spanish Armada, 618
• XREF: connects to: No Spanish ships were burnt, but the crescent formation had been broken, and the fleet found itself too far leeward of Calais in the rising southwesterly wind. — Spanish Armada