Geography
Area: 26 sq. km.
City: Funafuti.
Terrain: Very low lying and narrow coral atolls.
Climate: Tropical; moderated by easterly trade winds (March-November); westerly gales and heavy rain (November-March).

Geography of Tuvalu
The Western Pacific nation of Tuvalu, formerly known as the Ellice Islands, is situated 4,000 kilometer (2,486 mi.) northeast of Australia. It is one half of the way from Hawaii to Australia. Tuvalu consists of four reef islands and five true atolls. Its small scattered group of atolls has poor soil and a total land area of only about 26sq. km. (less than 10 sq. mi.).

Tuvalu has westerly gales and heavy rain from November to March and tropical temperatures moderated by easterly winds from March-November. The land is very low lying with narrow coral atolls. The highest elevation is five meters above the sea level.
source: http://www.state.gov