The port is the only lifeline for millions of Yemenis suffering under the Saudi siege.
Aid agencies are warning of a humanitarian crisis if a major battle erupts in the city.
The fighting in Hodeidah - the main gateway for imports of relief supplies and commercial goods - escalated earlier this year following a flurry of Saudi attacks against Yemen.
The United Nations considers Yemen to be the world's worst humanitarian crisis.
Yemen’s defenseless people have been under massive attacks by the coalition for over three years but Riyadh has reached none of its stated objectives in Yemen so far.
Over 14,000 Yemenis, including thousands of women and children, have lost their lives in Saudi Arabia's deadly military campaign.
