Chester marine weather forecast
Chester (USCHT) is a port in United States at 39°51.0′N 75°21.0′W. Today (Sep 14): N wind 13–17 kn, waves 0.7–1.1 m, from the ECMWF IFS run 2026-09-14 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 | 39°51.0′N 75°21.0′W |
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| UN/LOCODE | USCHT |
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| Harbor size | Large |
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| Harbor type | River natural harbor |
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| Shelter | Good |
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| Channel depth | 11 m |
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| Anchorage depth | 11 m |
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| Tide range | 2 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)| 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 — Chester
| Date | Wind | Gusts | Waves |
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| N 13–17 kn | 24 kn | 0.7–1.1 m |
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| NNE 8–18 kn | 25 kn | 1.1–1.4 m |
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| ESE 3–9 kn | 13 kn | 0.8–1.0 m |
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| SSW 6–8 kn | 12 kn | 0.7–0.8 m |
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| SW 6–17 kn | 21 kn | 0.7–1.0 m |
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| ENE 14–18 kn | 22 kn | 0.9–1.2 m |
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| ESE 15–15 kn | 19 kn | 1.2–1.3 m |
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| SW 13–13 kn | 21 kn | 1.1–1.1 m |
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| WNW 9–9 kn | 12 kn | 0.9–0.9 m |
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| NE 28–28 kn | 37 kn | 2.8–2.8 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 28 kn on Sep 23. The highest modeled significant wave height is 2.8 m on Sep 23. Compare the dated model run with official forecasts and warnings before departure.
Frequently asked
How is the weather at Chester right now?
As of the ECMWF IFS run 2026-09-14 12z: N wind 13–17 kn, waves 0.7–1.1 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 Chester?
Chester is classed as a large harbor (river natural harbor), with good shelter in the NGA World Port Index.
How deep is the approach to Chester?
Per the NGA World Port Index, the entrance channel carries about 11 m and anchorage depths run about 11 m. Verify against current official charts before entry.
What restricts entry to Chester?
Entry is affected by overhead clearance limits. Check the live forecast on this page and official notices before approach.