Office of Naval Intelligence Horn of Africa Weather Forecast

Horn of Africa Weather Forecast and Graphic Aids to 10-Day Weather Conditions and Small Boat Operations Capabilities

Horn of Africa Weather Forecast for 9 - 15 June 2016

A. (U) NORTHERN ARABIAN SEA: Southwest winds of 15 - 20 knots, gusting to 25 knots, and seas of 5 - 7 feet. EXTENDED FORECAST: Southwest winds of 10 - 20 knots and seas of 6 - 8 feet.

B. (U) GULF OF OMAN: Variable winds of 5 - 10 knots, gusting to 15 knots, and seas of 1 - 3 feet in the western section of the Gulf; with southwest winds of 10 - 15 knots and seas of 2 - 4 feet in the eastern section of the Gulf. EXTENDED FORECAST: Variable winds of 5 - 10 knots, gusting to 15 knots, and seas of 1 - 3 feet in the western section of the Gulf; with southeast winds of 5 - 10 knots, and seas of 3 - 5 feet in the eastern section of the Gulf.

C. (U) GULF OF ADEN: Southeast winds of 10 - 15 knots and seas of 1 - 3 feet in the western section of the Gulf; with westerly winds of 10 - 15 knots and seas of 2 - 4 feet in the eastern section of the Gulf. EXTENDED FORECAST: Southwest winds of 25 - 30 knots, and seas of 1 - 3 feet in the western section of the Gulf; with southwest winds of 25 - 30 knots, and seas of 2 - 4 feet in the eastern section of the Gulf.

D. (U) SOMALI COAST: Southwest winds of 25 - 30 knots, gusting to 35 knots, and seas of 10 - 12 feet in the northern section of the coastline; with southwest winds of 25 - 30 knots and seas of 7 - 9 feet in the southern section of the coastline. EXTENDED FORECAST: Southwest winds of 25 - 30 knots, gusting to 35 knots, and seas of 10 - 12 feet in the northern section of the coastline; with southwest winds of 25 - 30 knots and seas of 7 - 9 feet in the southern section of the coastline.

E. (U) CENTRAL AFRICAN COAST/INDIAN OCEAN: Southerly winds of 20 - 25 knots, and seas of 7 - 9 feet. EXTENDED FORECAST: Southerly winds of 20 - 25 knots, gusting to 30 knots, and seas of 8 - 10 feet.

F. (U) MOZAMBIQUE CHANNEL: Southeast winds of 15 - 20 knots and seas of 3 - 5 feet in the northern Channel; with southeast winds of 15 - 20 knots and seas of 3 - 5 feet in the southern Channel. EXTENDED FORECAST: Southerly winds of 20 - 25 knots and seas of 8 - 10 feet in the northern Channel; with southeast winds of 20 - 25 knots and seas of 11 - 14 feet in the southern Channel.

G. (U) SURFACE CURRENTS: The northern Arabian Sea and Gulf of Aden currents are variable with most areas having an average speed of 1 knot. The Mozambique Channel currents are variable having an average speed of 2 knots. Currents’ speeds along the Somali Basin are northeasterly averaging between 1 - 2 knots.

H. (U) SYNOPTIC DISCUSSION: High pressure continues to dominate the weather over the region as another summer Shamal sets up that will again produce strong northwesterly flow across the Arabian Gulf, increasing seas and reducing visibility in the southern portion, the Strait of Hormuz and the western Gulf of Oman. Expect these conditions to abate over the forecast period.

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