# Heavy Rain Advisory Issued for Five Provinces as Rough Seas Expected Along Several Coastal Areas

- Link: https://www.weather.lk/heavy-rain-advisory-issued-for-five-provinces-as-rough-seas-expected-along-several-coastal-areas/
- Published: 2026-09-24T10:49:21+05:30
- Author: Weather LK

The Natural Hazards Early Warning Centre has issued a **heavy rain advisory** for
several parts of Sri Lanka, warning of showers or thundershowers and the possibility
of rainfall exceeding **100 mm** in some locations.

The advisory, issued at **7.00 a.m. on 24 September 2026**, is valid until **7.00
a.m. on 25 September**.

![](https://scontent.fcmb3-2.fna.fbcdn.net/v/t39.30808-6/821523506_122113966281465188_198027913328447877_n.
jpg?stp=dst-jpg_tt6&cstp=mx1254x1254&ctp=s1254x1254&_nc_cat=100&_nc_map=urlgen_bucketless&
ccb=1-7&_nc_sid=833d8c&_nc_eui2=AeEJi_ABVT5CQS7CeDtDaMBnzcSWm0wW-ZLNxJabTBb5kon-
q61wV1Ux6ItPIgmeVYHiw7tUoRNSQD9J7-Zcj9Q4&_nc_ohc=K0CBI1Xp4loQ7kNvwFzY0sd&_nc_oc=
Adr2tuPKC0Pfx4Td-L4dgPJP_AdNGLv_z2slPz8sD20luKHGOVBAH4qnbYG_yJAJGAGQ4o0GQDGtB2EtdBGGrSL9&
_nc_zt=23&_nc_ht=scontent.fcmb3-2.fna&_nc_gid=vM2zOZH9t46nKrRaCrV2QA&_nc_ss=7b2a8&
oh=00_AQJaUGQYUMl-hLlPwjxgm4-QJ-joxg55ypH-V_GyMpXj8g&oe=6ABA9B94)

According to the warning, showers or thundershowers will occur at times in the **
Western, Sabaragamuwa, Central, North-Western and Southern provinces**. Heavy rainfall
of more than 100 mm is possible in some areas.

Residents in these provinces are advised to remain prepared, particularly in locations
that are vulnerable to flooding and other weather-related hazards.

### Rough Seas and Strong Winds Along Coastal Waters

![](https://www.weather.lk/wp-content/uploads/2026/09/Deep-Depression-Over-Bay-of-
Bengal-Expected-to-Cross-Coast-Near-Andhra-Pradesh–Odisha.jpg)

A separate advisory has also been issued for several sea areas around Sri Lanka.

Sea areas extending from **Trincomalee to Negombo via Kankasanthurai and Mannar**,
and from **Galle to Pottuvil via Hambantota**, are expected to become **rough to
very rough at times**.

Strong gusty winds of around **55–65 km/h** are possible in these sea areas.

The **wave height could increase to around 2.0–2.5 metres** in the sea areas extending
from **Puttalam to Pottuvil via Colombo, Galle and Matara**.

The Marine Meteorological Division has urged **naval and fishing communities** operating
in the affected sea areas to remain vigilant and closely monitor weather conditions.

With both heavy rain over land and rough sea conditions expected, the public is 
advised to follow updates and safety instructions issued by the relevant authorities.