Southwest monsoon establishing over Sri Lanka

The Southwest monsoon conditions are gradually establishing over the island; hence, the prevailing showery and windy conditions will continue. 

Cloudy skies can be expected over most parts of the island. Showers or thundershowers will occur at times in Western, Sabaragamuwa, Central and North-western provinces and in Galle and Matara districts.

Heavy showers above 100mm are likely at some places in Western, Sabaragamuwa and North-western provinces and in Galle, Matara, Kandy and Nuwara-Eliya districts. Several spells of showers will also occur in the Northern and North-central provinces. Maximum rainfall of 141.6mm reported in Kuliyapitiya (Kurunegala) area during last 24-hour period.

Strong winds about (40-50) kmph can be expected at times over the island.

General public is kindly requested to take adequate precautions to minimize damages caused by temporary localized strong winds and lightning during thundershowers.

Condition of Rain:
Showers or thundershowers will occur at times in the sea areas extending from Mannar to Hambantota via Colombo and Galle, heavy showers are likely at some places. Showers or thundershowers will occur at several places in the other sea areas around the island.
Winds:
Winds will be westerly to south-westerly in the sea areas extending from Kalpitiya to Pottuvil via Colombo, Galle and Hambantota and wind speed will be (40-50) kmp. Wind speed may increase up to (60-70) kmph at times these sea areas. Winds will be south-westerly and wind speed will be (25-35) kmph and can be increased up to 50 kmph at times in the other sea areas around the island.
State of Sea:
The sea areas extending from Kalpitiya to Pottuvil via Colombo, Galle and Hambantota will be very rough at times and other sea areas around the island will be fairly rough at times.
The swell waves (about 2.5 m – 3.0 m) height (This is not for land area) may increase in the sea areas off the coast extending from Kalpitiya to Pottuvil via Colombo, Galle, and Hambantota.
Naval and fishing communities are also requested to be attentive in this regard.
Temporarily strong gusty winds and very rough seas can be expected during thundershowers.