Hawaii Islands, is an archipelago consist of 19 islands and atolls, numbers of small islets and undersea seamounts. This group of islands take its name from the largest island in the group. Hawaii archipelago extends about 2.5 km in NW – SE direction; from the Island of Hawaii in the south to northernmost Kure Atoll. Hawaiian Islands is the territory of the US.
The archipelago is formed by volcanic activity, movement of an oceanic crust over a hotspot. The Hawaii Islands are the most isolated islands on Earth.
Hawaii Islands are one of the most popular yachting area. There you can enjoy with sandy beaches, snorkelling, scuba diving, water sports, laid-back anchorages and lively night life.
North and east flanks called windward side, where this side receive most of the rainfall. Leeward side is usually drier. Most of the precipitation fall during winter, i.e. between October and April. Period from May and September is generally drier and warmer.
Air temperatures at sea level range between 29 – 32 ˚C during summer and 18 – 21 ˚C during winter months. At higher altitudes temperatures are lower. Even, top of the Mauna Kea, Mauna Loa and Haleakala mountains receive some snowfall.
Wind pattern around Hawaii Islands is not stable due to high mountain peaks, hills and valleys. Usually one can expect upslope winds by day and downslope winds by night. However, it should be kept in mind that local conditions can favour violent and localized winds. These winds may reach up to 160 km/h and common around Kula and Lahaina on Maui.
Kula winds are strong downslope winds occur at the west side of Haleakala. Lahaina winds are also downslope winds but with a different character. Frequency of these winds are not regular. They can occur in every 8 – 12 years and speeds may reach up to 160 km/h.
Hurricane season starts at June and ends at November.