For Watamu :
No gale warning.
The reliability of the situation is good.
Skies changeable, very cloudy for a time in the morning. Risk of showers in the morning, possibility of a few spots in the afternoon. In the evening, cloudy spells, sometimes dense.
Possibility of showers S wind force 4 continuing all day. Gusts reaching 27 knots in the middle of the day. Moderate sea. Low, short swell from SE. Excellent visibility.