Moderate to rough sea conditions are expected due to winds in Coastal region.
In a seven-day marine forecast beginning July 27 to August 2, Met said winds of 15-29Knots, high significant waves height of (1.8-2.7m) are expected.
The counties are; Kwale, Mombasa, Kilifi and Lamu.
"Small crafts, boat and canoes should not venture into the sea, because of large wave of upto 2.7m," the Kenya Meteorological Department said.
The Ocean is relatively calm with very little disturbance when it is 1 – 6 knots. This is suitable for Marine operations.
More than 21 knots, the ocean state is very much disturbed and the prevailing conditions are dangerous for marine operations.
The moderate to rough sea condition with wave heights of 1.5-2.7 M (5-9ft) is expected along the Tanzanian, Kenyan and Somali waters.
Fresh to Strong breeze are expected with wind speeds of 10-25 Knots (≈ 5 – 12.5m/s) along the Tanzanian, Kenyan and Somalia waters throughout the forecasting period.
Met said Southeasterly winds are expected over Kenya and Tanzania waters with wind speeds ranging from 10 to 20 knots.
In Somalia, the winds are expected to be southwesterly with wind speed in the range of 10 to 25knots (5– 12.5m/s) throughout the forecasting period.
"Moderate to high waves of 1.5 – 2.7 m (≈ 5 – 9ft) expected to be mainly south easterly over Kenyan and Tanzania turning to southwesterly over Somali waters," Met said.
Earlier, Met said strong southerly winds are expected over the eastern half of the country.
The department said strong winds may blow off roofs, uproot trees and cause structural damage.
"Those in the areas of concern should be on high alert," Met said on Monday.
Cool cloudy conditions are expected in the Monday morning breaking into sunny intervals for Nyeri, Muranga, Kirinyaga, Embu, Meru, Kiambu, Tharaka Nithi, Laikipia, Nyandarua, Nairobi, Machakos, Makueni, Kitui, Taita Taveta and Kajiado counties.