Key Aspects:
- Potential Tropical Cyclone One has prompted a Tropical Storm Watch for Galveston Bay.
- Forecasters predict it could become the first named storm of the hurricane season.
- The storm is expected to strengthen by June 17, 2026, with several cruise ships scheduled to be in the area as it moves northward along the coastline.
A developing weather system in the Gulf of Mexico has prompted tropical storm watches along portions of the Texas coast, including the Galveston Bay area, where the popular Port of Galveston is located, where multiple cruise ships are scheduled to call in the coming days.
The National Hurricane Center issued advisories on potential Tropical Cyclone One on June 16, 2026, as the disturbance moved toward the Texas and Louisiana coasts.
Forecasters said the system could strengthen into the first named storm of the 2026 Atlantic hurricane season before making landfall. If it becomes a named storm, it would be called Arthur.
According to the National Hurricane Center’s latest forecast, the system is producing maximum sustained winds of 30 miles per hour and is expected to move generally northwestward toward the Texas coastline before turning northward inland.
A Tropical Storm Watch is in effect from Port O’Connor, Texas, to the mouth of the Mississippi River, including Galveston Bay. The National Hurricane Center said tropical storm conditions are possible within the watch area beginning on June 17, 2026.

Widespread rain is expected across Southeast Texas through at least June 19, 2026, with some areas potentially seeing several inches of accumulation.
While no cruise lines have announced itinerary changes, the storm’s track places one of the nation’s busiest cruise ports under a tropical storm watch as officials continue monitoring the system.
Multiple Ships Scheduled During Watch Period
Galveston, Texas, is the fourth-busiest cruise port in the United States and has become one of the industry’s fastest-growing homeports.
The port handled a record 1.8 million cruise passengers in 2025 and serves as a year-round embarkation point for vessels from Carnival Cruise Line, Royal Caribbean, Disney Cruise Line, Norwegian Cruise Line, and MSC Cruises.
The developing weather system arrives during a busy week for the port with Royal Caribbean’s Rhapsody of the Seas scheduled to arrive on June 18 carrying up to 4,198 guests, during the period covered by the storm watch. The company’s Symphony of the Seas is expected on June 21 with up to 5,518 passengers.
Several ships homeport in Galveston, including Royal Caribbean’s 3,344-guest Mariner of the Seas, which is currently in Cozumel, Mexico, and expected to return to port on June 18 after a day at sea. The ship is also scheduled to return to sea on a subsequent 4-day cruise departing on June 18.
Carnival Cruise Line’s Carnival Breeze and Carnival Jubilee, which both homeport in the Texas town, are expected to return with a combination of up to 5,950 passengers on June 20 with same-day departures on subsequent cruises, followed by sister ship Carnival Dream on June 21.
Arriving later in the week is MSC Cruises’ MSC Seascape, which also calls Galveston home.
The storm system is developing during what NOAA has forecast to be a relatively quiet Atlantic hurricane season. In its 2026 outlook, the agency predicted between 8 and 14 named storms, including three to six hurricanes.
For now, the Port of Galveston has not announced any operational changes, and cruise lines serving the port have not advised guests of itinerary modifications.
The National Hurricane Center will issue regular updates as the system moves toward the Gulf Coast.


