Reserve (USRSF) — marine weather & port guide
Reserve is a port in United States at 30°3.0′N 90°33.0′W. Today (Aug 3): NNW wind 1–5 kn, 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 | 30°3.0′N 90°33.0′W |
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| UN/LOCODE | USRSF |
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| Harbor size | Very small |
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| Harbor type | River natural harbor |
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| Shelter | None |
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| Channel depth | 9 m |
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| Anchorage depth | 13 m |
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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 — Reserve
| Date | Wind | Gusts | Waves |
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| NNW 1–5 kn | 13 kn | — |
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| WSW 3–5 kn | 11 kn | — |
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| WNW 1–5 kn | 9 kn | — |
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| S 1–6 kn | 12 kn | — |
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| SSE 1–6 kn | 9 kn | — |
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| ESE 2–7 kn | 8 kn | — |
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| S 1–4 kn | 4 kn | — |
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| SE 2–2 kn | 5 kn | — |
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| WNW 2–2 kn | 7 kn | — |
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| SSW 1–1 kn | 7 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.
Frequently asked
How is the weather at Reserve right now?
As of the ECMWF IFS run 2026-08-03 12z: NNW 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 Reserve?
Reserve is classed as a very small harbor (river natural harbor), with none shelter in the NGA World Port Index.
How deep is the approach to Reserve?
Per the NGA World Port Index, the entrance channel carries about 9 m and anchorage depths run about 13 m. Verify against current official charts before entry.
What restricts entry to Reserve?
Entry is affected by ice, overhead clearance limits. Check the live forecast on this page and official notices before approach.