Limited repair facilities are also available at Holsteinsborg and Jakobshavn, which also have slipways. Fuel and water are available in all ports. The weather is cold all year round and the winters are particularly harsh with some ports being icebound until well into the summer. Temperatures are low even in the summer months. The prevailing winds in the southern part are S or SW, while easterly winds predominate further north.
Winds are light and variable in summer.
Depending on latitude, the midnight sun is visible from the end of May until the end of July. Ice Control Tel. Ice Control may be contacted via coast radio stations. Ice Control will indicate ice limits and advise on the best course to sail. Some of the harbours are accessible all year round, but many are only accessible during the summer, and even then ice-strengthened vessels are recommended.