Saint James marine weather forecast
Saint James (USSNJ) is a port in United States at 29°58.0′N 90°49.0′W. Today (Sep 15): W wind 1–5 kn, from the ECMWF IFS run 2026-09-15 00z. The live chart on this page shows current conditions and plans weather-optimized departures from this harbor.
Port facts (NGA World Port Index)| Position | 29°58.0′N 90°49.0′W |
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| UN/LOCODE | USSNJ |
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| Harbor size | Small |
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| Harbor type | River natural harbor |
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| Shelter | Fair |
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| Tide range | 0 m |
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| Pilotage | Compulsory |
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| Time zone | America/Chicago |
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10-day marine forecast — Saint James
| Date | Wind | Gusts | Waves |
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| W 1–5 kn | 10 kn | — |
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| E 2–8 kn | 23 kn | — |
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| E 4–10 kn | 19 kn | — |
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| NE 1–8 kn | 16 kn | — |
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| NE 1–4 kn | 5 kn | — |
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| WSW 2–6 kn | 7 kn | — |
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| E 4–4 kn | 5 kn | — |
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| SE 2–2 kn | 12 kn | — |
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| ESE 4–4 kn | 12 kn | — |
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| SE 2–2 kn | 11 kn | — |
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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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 10 kn on Sep 17. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Saint James right now?
As of the ECMWF IFS run 2026-09-15 00z: W wind 1–5 kn. The 10-day outlook is in the forecast table on this page and updates with each model cycle.
How big is the harbor at Saint James?
Saint James is classed as a small harbor (river natural harbor), with fair shelter in the NGA World Port Index.