Wewak Harbor (PGWWK) — marine weather & port guide
Wewak Harbor is a port in Papua New Guinea at 3°34.0′S 143°38.0′E. Today (Aug 3): E wind 4–7 kn, waves 0.5–0.6 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 | 3°34.0′S 143°38.0′E |
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| UN/LOCODE | PGWWK |
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| Harbor size | Small |
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| Harbor type | Open roadstead |
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| Shelter | Fair |
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| Channel depth | 16 m |
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| Anchorage depth | 16 m |
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| Tide range | 1 m |
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| Time zone | Pacific/Port_Moresby |
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10-day marine forecast — Wewak Harbor
| Date | Wind | Gusts | Waves |
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| E 4–7 kn | 11 kn | 0.5–0.6 m |
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| ENE 1–7 kn | 11 kn | 0.5–0.6 m |
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| E 3–6 kn | 10 kn | 0.5–0.5 m |
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| ESE 3–6 kn | 11 kn | 0.5–0.6 m |
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| ESE 3–7 kn | 12 kn | 0.5–0.7 m |
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| E 4–11 kn | 13 kn | 0.6–0.8 m |
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| SSE 5–5 kn | 7 kn | 0.6–0.7 m |
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| ESE 6–6 kn | 15 kn | 0.6–0.6 m |
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| SE 5–5 kn | 9 kn | 0.6–0.6 m |
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| ESE 6–6 kn | 12 kn | 0.6–0.6 m |
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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 Wewak Harbor right now?
As of the ECMWF IFS run 2026-08-03 12z: E wind 4–7 kn, waves 0.5–0.6 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 Wewak Harbor?
Wewak Harbor is classed as a small harbor (open roadstead), with fair shelter in the NGA World Port Index.
How deep is the approach to Wewak Harbor?
Per the NGA World Port Index, the entrance channel carries about 16 m and anchorage depths run about 16 m. Verify against current official charts before entry.
What restricts entry to Wewak Harbor?
Entry is affected by tidal windows, heavy swell, overhead clearance limits. Check the live forecast on this page and official notices before approach.