Jamestown (SHSHN) — marine weather & port guide
Jamestown is a port in St. Helena at 15°55.0′S 5°43.0′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 | 15°55.0′S 5°43.0′W |
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| UN/LOCODE | SHSHN |
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| Harbor size | Large |
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| Harbor type | Open roadstead |
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| Shelter | Poor |
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| Channel depth | 23 m |
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| Anchorage depth | 23 m |
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| Tide range | 1 m |
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| Pilotage | Advisable |
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| Time zone | Atlantic/St_Helena |
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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 Jamestown?
Jamestown is classed as a large harbor (open roadstead), with poor shelter in the NGA World Port Index.
How deep is the approach to Jamestown?
Per the NGA World Port Index, the entrance channel carries about 23 m and anchorage depths run about 23 m. Verify against current official charts before entry.
What restricts entry to Jamestown?
Entry is affected by tidal windows, heavy swell. Check the live forecast on this page and official notices before approach.