For Sanibel Island :
No gale warning.
For the night from Saturday to Sunday ENE force 1 in the early part of the night becoming E force 2. Gusts reaching 13 knots in the early part of the night.
Smooth to slight sea. Low from ENE. Excellent visibility becoming good in the middle of the night then good. Daytime of Sunday 18 may : The sky will remain changeable.
Cloud and long sunny periods. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, stormy but gradually improving.
Showers. ENE wind force 2 continuing all day. Gusts reaching 15 knots in the evening. Smooth to slight sea. Low from NE. Good visibility becoming excellent in the middle of the day.