Suisun Valley AVA length. The valley is approximately by , and contains about . More than of the valley is currently planted as vineyard, with more than twenty varieties of wine grapes represented, including Barbera, Cabernet Sauvignon, Chardonnay, French Colombard, Gamay (Valdiguie), Grenache, Merlot, Mouvedre, Muscat Canelli, Petite Sirah, Petite Verdot, Pinot Gris, Pinot Noir, Primitivo, Rousanne, Sauvignon Blanc, Sangiovese, Shiraz, Syrah, Viognier, Riesling, and Zinfandel. Suisun Valley has a semi-coastal Mediterranean climate with a cool wet season from November to April, followed by a warm dry season. Moist winds blow inland from San Pablo Bay and Suisun Bay at the headwaters of
Petite Terre Islands named because it is downwind compared to Terre de Haut island ("Upper Land" island) to its northeast which first meets the trade winds blowing from the north-east in the Caribbean. Administratively, the Petite Terre Islands are dependent of the commune (municipality) of La Désirade. The two islands and 842 hectares (2,081 acres) of sea around them were declared a nature reserve, the "National Nature Reserve of Îles de la Petite-Terre". Petite Terre Islands Petite Terre Islands (, literally "Islands of the Small Land") are two small uninhabited islands located about to the south-east of the island of Grande-Terre (Guadeloupe), in