New London marine weather forecast
New London (USNLO) is a port in United States at 41°21.0′N 72°6.0′W. Today (Nov 2): WSW wind 10–14 kn, waves 0.4–0.5 m, from the ECMWF IFS run 2026-11-02 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 | 41°21.0′N 72°6.0′W |
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| UN/LOCODE | USNLO |
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| Harbor size | Small |
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| Harbor type | River natural harbor |
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| Shelter | Excellent |
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| Channel depth | 9 m |
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| Anchorage depth | 9 m |
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| Tide range | 1 m |
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| Pilotage | Compulsory |
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| Time zone | America/New_York |
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Facilities & services (NGA World Port Index)| Tugs | Assistance available |
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| Supplies | Fuel oil, diesel, water, provisions |
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| Repairs | Major (hull, machinery, electrical) |
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| Medical facilities | Available |
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10-day marine forecast — New London
| Date | Wind | Gusts | Waves |
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| WSW 10–14 kn | 17 kn | 0.4–0.5 m |
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| WSW 8–13 kn | 19 kn | 0.4–0.6 m |
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| SW 4–11 kn | 14 kn | 0.3–0.4 m |
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| SSW 8–11 kn | 14 kn | 0.4–0.5 m |
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| SSW 12–17 kn | 21 kn | 0.7–0.9 m |
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| WSW 5–12 kn | 15 kn | 0.8–0.9 m |
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| SW 9–9 kn | 11 kn | 1.0–1.0 m |
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| WSW 12–12 kn | 22 kn | 1.1–1.1 m |
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| NNW 11–11 kn | 17 kn | 0.8–0.8 m |
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| WNW 12–12 kn | 24 kn | 0.8–0.8 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.
What to watch in the forecast
Across the loaded 10-day outlook, the strongest daily modeled wind reaches 17 kn on Nov 6. The highest modeled significant wave height is 1.1 m on Nov 9. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at New London right now?
As of the ECMWF IFS run 2026-11-02 00z: WSW wind 10–14 kn, waves 0.4–0.5 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 London?
New London is classed as a small harbor (river natural harbor), with excellent shelter in the NGA World Port Index.
How deep is the approach to New London?
Per the NGA World Port Index, the entrance channel carries about 9 m and anchorage depths run about 9 m. Verify against current official charts before entry.
What restricts entry to New London?
Entry is affected by ice, overhead clearance limits. Check the live forecast on this page and official notices before approach.