05 Sep 2023

General Weather Situation
Brunei Darussalam is currently still in the Southwest Monsoon period, where southwesterly wind is dominant with stable atmospheric conditions.
Since early August until present, Brunei Darussalam has been experiencing slight hazy conditions originating from transboundary smoke haze from neighbouring countries that is blown in by the prevailing Southwesterly winds to our country. The Meteorological Observation Station at the Brunei International Airport had recorded horizontal visibility reducing between 7 km to 10 km.

Brunei Darussalam Weather Forecast
Brunei Darussalam is expected to experience active weather conditions starting tonight, Tuesday (5 September 2023) until Saturday (9 September 2023), with occasional heavy and thundery showers affecting many areas of the country. Squally showers are also expected to occur at times. Wind speed may reach up to 50 km/h during or near and heavy and thundery showers.

Meanwhile over Brunei waters, generally sea condition is at slight state, with wave heights between 0.4 and 0.8 m and may increase to moderate state on Friday and Saturday up to 1.5 m especially offshore areas.

Our Advice
Members of the public are advised to take precautionary actions with respect to the forecasted active weather condition. There is a high risk of flash floods especially at low-lying and flood prone areas as well as near the river banks during continuous heavy rain and also during high tide. Risk of landslide and fallen trees are also possible during heavy showers and gusty condition. Rough sea condition is dangerous to small boat operations, sea recreational activities and sports.

Public, road users and fishermen are advised to always be up to date with the latest weather forecast, advisory and warning issued by Brunei Darussalam Meteorological Department, and to take necessary actions to ensure safety.

We shall continue to monitor the weather conditions and will issue weather advisories or warnings if necessary. Latest weather information, advisories and warnings can be accessed easily through our mobile app, Brunei WX, as these weather information, advisories and warnings can be received immediately after they are issued. Latest weather information can also be obtained by contacting the duty meteorological forecaster at our Forecast Centre, through our Weather Line 114, by visiting our website at or follow our Facebook (@bruneiweather), Instagram ( and our Telegram Channel (Brunei Weather).

Wallahu a’lam Bissawab.