New Amsterdam (GYNAM) — marine weather & port guide
New Amsterdam is a port in Guyana at 6°15.0′N 57°31.0′W. Today (Aug 3): ENE wind 0–5 kn, waves 0.6–0.7 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 | 6°15.0′N 57°31.0′W |
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| UN/LOCODE | GYNAM |
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| Harbor size | Very small |
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| Harbor type | River natural harbor |
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| Shelter | Good |
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| Anchorage depth | 3 m |
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| Tide range | 3 m |
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| Pilotage | Compulsory |
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| Time zone | America/Guyana |
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10-day marine forecast — New Amsterdam
| Date | Wind | Gusts | Waves |
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| ENE 0–5 kn | 12 kn | 0.6–0.7 m |
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| ENE 2–5 kn | 14 kn | 0.6–0.7 m |
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| NE 1–4 kn | 10 kn | 0.7–0.7 m |
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| N 2–3 kn | 13 kn | 0.7–0.8 m |
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| N 3–4 kn | 8 kn | 0.8–0.8 m |
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| NNW 1–3 kn | 4 kn | 0.8–0.8 m |
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| NE 4–4 kn | 5 kn | 0.7–0.8 m |
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| E 5–5 kn | 12 kn | 0.9–0.9 m |
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| ENE 3–3 kn | 8 kn | 0.7–0.7 m |
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| NE 4–4 kn | 10 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 New Amsterdam right now?
As of the ECMWF IFS run 2026-08-03 12z: ENE wind 0–5 kn, waves 0.6–0.7 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 New Amsterdam?
New Amsterdam is classed as a very small harbor (river natural harbor), with good shelter in the NGA World Port Index.
How deep is the approach to New Amsterdam?
Per the NGA World Port Index, anchorage depths run about 3 m. Verify against current official charts before entry.
What restricts entry to New Amsterdam?
Entry is affected by tidal windows, heavy swell. Check the live forecast on this page and official notices before approach.