For U-Boat :
No gale warning.
The reliability of the situation is good.
Sun and storm clouds in the morning,cloud and sun in the afternoon. Risk of showers in the morning, possibility of showers in the afternoon. In the evening, cloud and long sunny periods.
Chance of light rain. SSW force 4 in the morning becoming force 5 in the middle of the day. Smooth to slight sea becoming slight in the middle of the day. Low, short swell from SW. Excellent visibility.