# WEATHER FORECAST FOR SEA AREAS 23 December 2025

- Link: https://www.weather.lk/weather-forecast-for-sea-areas-23-december-2025/
- Published: 2025-12-23T08:59:30+05:30
- Author: Weather LK

## Marine Weather Forecast for Sri Lanka: Rough Seas and Thundershowers Expected Over Next 24 Hours

Issued at 05.30 a.m. on 23 December 2025
The Department of Meteorology has issued
a marine weather advisory for sea areas around Sri Lanka, warning of **rough sea
conditions, strong winds, and possible thundershowers** during the next 24 hours.

Light showers are expected in the **sea areas off the coast extending from Trincomalee
to Pottuvil via Batticaloa**. In addition, **showers or thundershowers** may occur
at a few locations in the **sea areas from Balapitiya to Matara via Galle**, particularly**
during the evening or night**.

Winds across the surrounding sea areas will be **north-easterly to northerly**, 
with average wind speeds of **25–35 kmph**. However, wind speeds may **increase 
up to 50 kmph at times**, especially in the **sea areas from Balapitiya to Mannar
via Colombo and Puttalam**, and from **Matara to Pottuvil via Hambantota**.

Due to these conditions, the **sea areas off the coast extending from Balapitiya
to Mannar via Colombo and Puttalam**, as well as from **Matara to Pottuvil via Hambantota**,
are expected to be **rough at times**. Other sea areas around the island will remain**
moderate**.

The Department of Meteorology also cautions that **temporarily strong gusty winds
and very rough seas** may occur during thundershowers. Fishermen and naval communities
are urged to **exercise caution** and stay alert to updated advisories.

![](https://www.weather.lk/wp-content/uploads/2025/12/Wave-Height-Wind_Surface_MFWAM-
Global_20251223T0530000530-1-1024x462.jpg)