Gonzalo generated hurricane-force winds across Bermuda over a period of about six hours, at their strongest from the northwest on the backside of the storm. Tropical storm conditions persisted for up to 24 hours. Elevated weather stations observed the highest winds; Commissioner's Point recorded 10-minute sustained winds of , and St. David's measured gusts as high as . Gusts reached at the Causeway, closer to sea level. The airport recorded of rain, but due to the strong winds, this was most likely an underestimation of what actually fell. The passage of the hurricane's eye was marked by diminished winds and a lack of rain, but a drizzle of ocean mist reportedly fell over the island. As Gonzalo struck at low tide, the effects of storm surge were minimal. At Esso Pier on the north side of the island, storm tides peaked at above normal.
