When Pacific Hurricanes Keep Coming: How an Active El Niño Season Affects Marine Operations
September 28, 2026
An active Pacific hurricane season presents challenges that extend far beyond any single storm. For vessel owners, commercial fishing fleets, charter operators and marina businesses, successive tropical systems can mean repeated periods of hazardous seas, interrupted operations and additional pressure on vessels and infrastructure.
Vessel owners and marine operators should regularly monitor the National Hurricane Center for current tropical cyclone forecasts, storm advisories, and potential threats to their operating areas. Staying informed as conditions develop allows operators to make timely decisions about vessel movements, equipment protection, and storm preparation.
The 2026 Eastern Pacific hurricane season has demonstrated why these conditions deserve attention. With El Niño strengthening and multiple tropical systems developing throughout the summer and early fall, marine operators have good reason to review their preparedness plans and insurance coverage.
Even when hurricanes remain hundreds of miles offshore, their effects can reach commercial fishing grounds, recreational boating areas and coastal marinas. When storms develop in succession, operators may have limited opportunities to inspect equipment, complete repairs or return to normal operations before the next system approaches.
Understanding these overlapping risks is an important part of protecting marine businesses during an active hurricane season.
Why El Niño Can Contribute to an Active Pacific Hurricane Season
El Niño is a recurring climate pattern characterized by unusually warm ocean temperatures in the central and eastern equatorial Pacific. These warmer waters influence atmospheric circulation, wind patterns and weather conditions across the Pacific Ocean.
During El Niño, changes in atmospheric wind shear can create conditions more favorable for tropical cyclone development in parts of the eastern Pacific. However, El Niño is not the sole cause of hurricane activity. Individual storms are influenced by several atmospheric and oceanic factors.
The National Oceanic and Atmospheric Administration (NOAA) issued an El Niño Advisory in September 2026, reporting that the climate pattern was strengthening. NOAA’s seasonal outlook had also anticipated above-normal hurricane activity in the eastern Pacific.
For marine operators, the important consideration is not simply the number of storms. Their locations, intensity, duration and associated ocean conditions determine the risks that vessels and coastal businesses may experience.

When One Storm Follows Another
A single tropical system can disrupt marine operations for days. When multiple systems develop within a relatively short period, the challenges can become more complicated.
Commercial fishing vessels may postpone departures, return to port or change fishing grounds to avoid hazardous conditions. Charter operators may face repeated cancellations, while marinas must continually monitor forecasts and evaluate whether additional precautions are necessary.
Successive storms can also complicate maintenance schedules. Equipment that experienced unusually heavy loads during one weather event may require inspection or repair before another system approaches.
These situations illustrate why hurricane preparedness should be treated as an ongoing operational responsibility rather than a one-time seasonal checklist.
Large Swells Can Travel Far Beyond a Hurricane
One of the most important considerations for Pacific Coast operators is the distance that hurricane-generated swells can travel.
A tropical system does not need to approach California directly to influence conditions along the coast. Powerful storms can generate long-period swells that travel considerable distances before reaching shorelines, harbor entrances and offshore operating areas.
These swells can create challenging conditions for vessels entering or leaving port. They may also increase movement within exposed marinas and place additional strain on mooring equipment.
For commercial fishing vessels and charter operators, conditions can vary significantly between offshore waters, harbor entrances and protected coastal areas.
Monitoring marine forecasts, swell periods and local harbor conditions is essential, even when the storm responsible for generating those swells remains far away.
Repeated Weather Events Can Increase Equipment Stress
Marine equipment is designed to operate in demanding environments, but repeated exposure to severe conditions can increase wear and reveal existing weaknesses.
Heavy seas can place additional loads on vessel structures, deck equipment and securing systems. Mooring lines, cleats, fenders and dock infrastructure may also experience repeated stress during periods of elevated swell activity.
For commercial fishing vessels, specialized equipment such as hydraulic systems, fishing gear, refrigeration machinery and support vessels deserves particular attention.
Following periods of severe weather, operators should inspect equipment for damage, document any concerns and address maintenance issues before returning to normal operations.
These inspections become especially important when additional storms are developing and the opportunity to complete repairs may be limited.
Commercial Fishing Fleets Face Operational Challenges
Commercial fishing operations are particularly sensitive to prolonged periods of unfavorable ocean conditions.
Weather-related disruptions can affect departure schedules, fishing opportunities, crew arrangements and the transportation of harvested catch. Vessels operating across large areas of the Pacific may also need to adjust routes or fishing grounds as tropical systems develop.
For specialized operations such as tuna purse seiners, the challenges extend beyond the vessel itself.
Nets, skiffs, sophisticated electronics, refrigeration equipment and other essential systems represent substantial investments. Protecting these assets requires both effective operational planning and insurance coverage appropriate to the equipment involved.
Operators should also review their geographic navigation limits, particularly when fishing or traveling in areas where tropical cyclone activity is more common.
Marinas and Coastal Businesses Must Prepare for Repeated Exposure
Marinas face their own challenges during active hurricane seasons.
Elevated swells, changing water levels and strong winds can affect dock structures, mooring systems and vessels stored within marina facilities.
When weather events occur close together, marina operators may need to repeat inspections and preparation procedures several times throughout the season.
Potential concerns include damage to docks and pilings, vessels breaking free from their moorings, electrical equipment exposure and damage involving neighboring boats.
Marina operators should maintain clear communication with vessel owners and ensure their emergency procedures reflect the conditions and infrastructure specific to their facilities.

What Happens When Multiple Storms Cause Damage?
Successive storms can introduce additional complications when an insurance claim becomes necessary.
Consider a vessel that experiences damage during one weather event but cannot immediately undergo a complete inspection or repair. If another storm arrives before the damage has been addressed, determining the extent and cause of subsequent damage may become more complicated.
Insurance coverage depends on the specific policy, the circumstances surrounding each loss and applicable deductibles or exclusions.
Vessel owners should understand whether their policies include special provisions for named storms, how deductibles apply and what documentation may be required following an incident.
Promptly reporting potential damage and maintaining detailed records can help establish a clearer timeline when multiple weather events occur.
Owners should also understand their responsibilities under the policy regarding reasonable steps to prevent additional damage.
Why Reviewing Your Marine Insurance Matters
An active hurricane season provides a practical reminder that marine insurance should reflect current operating conditions.
Navigation limits, named storm provisions, vessel values, equipment schedules and liability coverage can all affect how an insurance program responds following a covered loss.
Commercial operators should consider whether their coverage accurately reflects their fishing grounds, operational equipment and support vessels.
Yacht owners traveling into Mexican waters should pay particular attention to geographic restrictions and seasonal policy provisions.
Marina businesses should review property protection, liability coverage and applicable storm-related requirements.
These reviews are especially valuable before severe weather develops, when policy changes may become more difficult to obtain.
Preparing for the Remainder of Hurricane Season
The eastern Pacific hurricane season officially continues through November 30, making continued weather awareness important even as summer transitions into fall.
For marine operators, preparation involves more than monitoring the next named storm. It means evaluating the cumulative effects of recent conditions, inspecting critical equipment and ensuring that emergency plans remain practical.
Vessel owners and marine businesses should also maintain current records of their vessels, equipment and insurance arrangements. If damage occurs, photographs, maintenance documentation and prompt communication with insurance representatives can be particularly valuable.
At Pacific Ocean Marine Insurance Brokers, we understand the challenges facing vessel owners and commercial marine operators throughout the Pacific region. Whether you’re managing a commercial fishing operation, operating a charter vessel or protecting a private yacht, reviewing your insurance before the next weather event can help you identify potential coverage gaps.
An active hurricane season is a reminder that preparation and appropriate insurance protection go hand in hand.
