If the sirocco blows, all danger will be over in 24 hours.

5 seconds sound clip from the Isle of the Dead (1945) movie soundboard.

You can hear this line at 00:23:04.265 in the Blu-ray version of the movie.

Quote context

[...]

- If you'd forget about the evil spirits just long enough to pass us the towels, I'd be greatly obliged to you.

- What nonsense the old woman talks.

- It sounds no stranger to me than some of the things you've been saying.

- Good winds and bad winds.

- I've explained that to you. The disease is transmitted by fleas. Their bodies have an eighty percent moisture content. The hot wind from the south literally burns them away.

- If the sirocco blows, all danger will be over in 24 hours.

- Kyra sounds just as logical to me. That the gods send plague to punish men for harboring the Vorvolaka.

- Vorvolaka?

- What's that? Some old peasant superstition. An elemental wolf-spirit. Some such thing in human form.

- They say it drains people of their strength and vitality until they die.

- Kyra will tell you that there's more to it.

[...]