For Watamu Reef :
No gale warning.
The reliability of the situation is good.
Changeable skies becoming fairly cloud-free in the morning, sunny in the afternoon. Risk of some spots of rain in the morning, no precipitation in the afternoon. In the evening, skies with few clouds.
S wind force 4 continuing all day. Gusts reaching 22 knots in the middle of the day. Slight sea becoming moderate in the evening. Low, short swell from SE. Excellent visibility becoming excellent in the middle of the day.