In October warmest sea in Brunei is usually observed in the following locations: Seria, Kuala Belait, Bandar Seri Begawan.
Table below shows the average sea water temperature for marine resorts of Brunei in October for the last three years.
| Place name | October 2025 | October 2024 | October 2023 |
|---|---|---|---|
| Seria | 85.4°F | 85.4°F | 86.0°F |
| Kuala Belait | 85.4°F | 85.4°F | 86.0°F |
| Bandar Seri Begawan | 85.2°F | 85.7°F | 86.4°F |
Charts below show average sea water temperature for Brunei resorts with the warmest sea in October.
You can also check other months of the year to see sea temperature of Brunei resorts at that time.
