For The Hamburger Yachthafen :
No gale warning.
The reliability of the situation is good.
Skies very cloudy, risk of thundery outbreaks during the afternoon. Some showers from late morning. In the evening, good clear periods but cloud building.
Chance of light rain. SW force 4 turning W force 5 in the middle of the day then becoming force 4. Gusts reaching 37 knots in the middle of the day. Smooth sea. from N. Excellent visibility.