# SRI LANKA WEATHER FORECAST FOR 12 AUGUST 2026

- Link: https://www.weather.lk/sri-lanka-weather-forecast-for-12-august-2026/
- Published: 2026-08-11T20:53:32+05:30
- Author: WeatherLK

# Sri Lanka Weather Forecast for 12 August 2026: Showers and Rough Seas Expected

Sri Lanka is expected to experience a mix of rainy and unsettled weather conditions
on **12 August 2026**, with several areas likely to receive showers throughout the
day. According to the latest weather forecast showers will occur at times in the**
Galle, Matara and Kalutara districts**.

Several spells of showers are also expected in the **Sabaragamuwa and North-Western
provinces**, while Colombo, Gampaha, Kandy and Nuwara-Eliya districts may experience
intermittent rainfall. Meanwhile, showers or thundershowers could develop at a few
places in the **Uva Province and in Batticaloa, Ampara and Mullaitivu districts 
after 2.00 p.m.**

The public is advised to remain cautious during thundershowers, as temporary localized
strong winds and lightning may occur. People are urged to take adequate precautions
to minimize possible damage and avoid exposed areas during thunderstorms.

![](https://meteo.gov.lk/gifs/analysis1.gif?t=1786461550344)

### **Sea Weather Forecast for Sri Lanka**

The sea areas around the island will also experience unsettled conditions during
the next 24 hours. Showers may occur at several places in the sea areas extending
from **Chilaw to Matara via Colombo and Galle**.

Winds will be **south-westerly**, with speeds of around **30–40 kmph**. Wind speeds
may increase up to **50–60 kmph** at times in the sea areas extending from **Matara
to Pottuvil via Hambantota** and from **Chilaw to Mannar via Puttalam**. Winds may
reach up to 45 kmph over other sea areas.

The sea areas from Matara to Pottuvil and Chilaw to Mannar are expected to be **
rough at times**, while other sea areas will be moderate and may become fairly rough.
Naval and fishing communities operating in the affected waters are advised to remain
vigilant.

Wave heights could increase to approximately **2.5–3.0 metres** in sea areas extending
from Colombo to Pottuvil via Galle and Hambantota.