Bandar Seri Begawan marine weather forecast
Bandar Seri Begawan (BNBWN) is a port in Brunei at 4°53.0′N 114°53.0′E. Today (Nov 2): SSW wind 3–4 kn, waves 0.4–0.4 m, from the NOAA GFS run 2026-11-02 18z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 4°53.0′N 114°53.0′E |
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| UN/LOCODE | BNBWN |
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| Harbor size | Small |
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| Harbor type | River natural harbor |
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| Shelter | Good |
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| Channel depth | 5 m |
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| Anchorage depth | 11 m |
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| Tide range | 5 m |
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| Time zone | Asia/Brunei |
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Facilities & services (NGA World Port Index)| Supplies | Diesel, water, provisions |
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| Repairs | Limited |
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| Medical facilities | Available |
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10-day marine forecast — Bandar Seri Begawan
| Date | Wind | Gusts | Waves |
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| SSW 3–4 kn | 4 kn | 0.4–0.4 m |
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| N 1–9 kn | 9 kn | 0.5–0.5 m |
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| NNE 2–8 kn | 7 kn | 0.5–0.6 m |
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| N 2–2 kn | 2 kn | 0.5–0.5 m |
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| N 3–5 kn | 5 kn | 0.5–0.6 m |
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| NE 4–4 kn | 4 kn | 0.6–0.6 m |
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| S 3–3 kn | 3 kn | 0.6–0.6 m |
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| E 5–5 kn | 5 kn | 0.8–0.8 m |
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| SSW 6–6 kn | 5 kn | 0.9–0.9 m |
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| N 1–1 kn | 1 kn | 0.9–0.9 m |
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Forecast from the NOAA GFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 9 kn on Nov 3. The highest modeled significant wave height is 0.9 m on Nov 10. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Bandar Seri Begawan right now?
As of the NOAA GFS run 2026-11-02 18z: SSW wind 3–4 kn, waves 0.4–0.4 m. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Bandar Seri Begawan?
Bandar Seri Begawan is classed as a small harbor (river natural harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Bandar Seri Begawan?
Per the NGA World Port Index, the entrance channel carries about 5 m and anchorage depths run about 11 m. Verify against current official charts before entry.