Boston (USBOS) — marine weather & port guide
Boston is a port in United States at 42°21.0′N 71°3.0′W. 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°21.0′N 71°3.0′W |
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| UN/LOCODE | USBOS |
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| Harbor size | Large |
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| Harbor type | Coastal natural harbor |
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| Shelter | Excellent |
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| Channel depth | 11 m |
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| Anchorage depth | 13 m |
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| Tide range | 3 m |
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| Pilotage | Compulsory |
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| Time zone | America/New_York |
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Marine forecast
No forecast frames are loaded right now. The live chart below shows conditions as soon as the next model run is ingested.
Frequently asked
How big is the harbor at Boston?
Boston is classed as a large harbor (coastal natural harbor), with excellent shelter in the NGA World Port Index.
How deep is the approach to Boston?
Per the NGA World Port Index, the entrance channel carries about 11 m and anchorage depths run about 13 m. Verify against current official charts before entry.
What restricts entry to Boston?
Entry is affected by overhead clearance limits. Check the live forecast on this page and official notices before approach.