Bialla (PGBAA) — marine weather & port guide
Bialla is a port in Papua New Guinea at 5°18.0′S 150°59.0′E. Today (Aug 3): SSE wind 9–10 kn, waves 1.1–1.2 m, from the ECMWF IFS run 2026-08-03 12z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 5°18.0′S 150°59.0′E |
|---|
| UN/LOCODE | PGBAA |
|---|
| Harbor size | Very small |
|---|
| Harbor type | Coastal natural harbor |
|---|
| Shelter | Fair |
|---|
| Tide range | 1 m |
|---|
| Pilotage | Compulsory |
|---|
| Time zone | Pacific/Port_Moresby |
|---|
10-day marine forecast — Bialla
| Date | Wind | Gusts | Waves |
|---|
| SSE 9–10 kn | 22 kn | 1.1–1.2 m |
|---|
| SSE 8–10 kn | 24 kn | 1.1–1.1 m |
|---|
| SSE 7–9 kn | 21 kn | 0.9–1.0 m |
|---|
| SSE 6–9 kn | 20 kn | 0.7–0.9 m |
|---|
| SSE 1–6 kn | 17 kn | 0.6–0.8 m |
|---|
| SE 3–5 kn | 7 kn | 0.4–0.6 m |
|---|
| SE 3–4 kn | 5 kn | 0.4–0.5 m |
|---|
| SE 5–5 kn | 13 kn | 0.4–0.4 m |
|---|
| ESE 5–5 kn | 15 kn | 0.5–0.5 m |
|---|
| SE 6–6 kn | 18 kn | 0.9–0.9 m |
|---|
Forecast from the ECMWF IFS model run , waves from ECMWF WAM. Updated with each model cycle; the live chart below recalculates for your departure time and vessel.
Frequently asked
How is the weather at Bialla right now?
As of the ECMWF IFS run 2026-08-03 12z: SSE wind 9–10 kn, waves 1.1–1.2 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 Bialla?
Bialla is classed as a very small harbor (coastal natural harbor), with fair shelter in the NGA World Port Index.