Puerto Madryn marine weather forecast
Puerto Madryn (ARPMY) is a port in Argentina at 42°45.0′S 65°2.0′W. Today (Sep 17): NW wind 2–19 kn, waves 0.6–1.1 m, from the NOAA GFS run 2026-09-17 06z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 42°45.0′S 65°2.0′W |
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| UN/LOCODE | ARPMY |
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| Harbor size | Small |
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| Harbor type | Coastal natural harbor |
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| Shelter | Excellent |
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| Channel depth | 5 m |
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| Anchorage depth | 17 m |
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| Tide range | 5 m |
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| Pilotage | Compulsory |
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| Time zone | America/Argentina/Catamarca |
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Facilities & services (NGA World Port Index)| Supplies | Fuel oil, diesel, water, provisions |
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| Repairs | Moderate |
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| Medical facilities | Available |
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10-day marine forecast — Puerto Madryn
| Date | Wind | Gusts | Waves |
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| NW 2–19 kn | 25 kn | 0.6–1.1 m |
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| N 6–16 kn | 29 kn | 0.6–1.1 m |
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| NW 3–12 kn | 16 kn | 0.4–0.6 m |
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| WNW 22–33 kn | 32 kn | 0.5–0.8 m |
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| WSW 32–32 kn | 50 kn | 2.0–2.2 m |
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| NNE 6–6 kn | 9 kn | 1.5–1.8 m |
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| WNW 16–16 kn | 28 kn | 1.4–1.4 m |
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| W 12–12 kn | 18 kn | 0.9–0.9 m |
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| NE 5–5 kn | 5 kn | 1.4–1.4 m |
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| SSW 11–11 kn | 13 kn | 1.0–1.0 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 33 kn on Sep 20. The highest modeled significant wave height is 2.2 m on Sep 21. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Puerto Madryn right now?
As of the NOAA GFS run 2026-09-17 06z: NW wind 2–19 kn, waves 0.6–1.1 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 Puerto Madryn?
Puerto Madryn is classed as a small harbor (coastal natural harbor), with excellent shelter in the NGA World Port Index.
How deep is the approach to Puerto Madryn?
Per the NGA World Port Index, the entrance channel carries about 5 m and anchorage depths run about 17 m. Verify against current official charts before entry.