Diesel Costs Squeeze South Carolina Shrimpers

Harvesters face fuel costs that more than doubled and cheap imports that tariffs have not yet offset.

Updated on Nov. 3, 2026 in Inflation

Diesel Costs Squeeze South Carolina Shrimpers

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South Carolina shrimpers are facing steep diesel and equipment costs, reduced federal ocean-monitoring capacity, and cheap imported shrimp, all ahead of the midterm elections. The administration imposed tariffs on imported shrimp in July 2026, but industry members report minimal pricing benefit so far.

Why it matters

For small seafood harvesters, rising fuel costs cut directly into thin margins, while lower-priced imports make it hard to pass costs along to buyers. Reduced federal forecasting capacity adds operational risk, since fishermen rely on NOAA data to decide when offshore work is safe.

Diesel in the region climbed from $2.71 to $5.99 per gallon between the start of the year and late September, more than doubling fuel costs for harvesters. The U.S. imported roughly 1.59 billion pounds of frozen warmwater shrimp in 2025, while NOAA's workforce has shrunk by about 20 percent since January 2025.

The players

National Oceanic and Atmospheric Administration (NOAA)

The federal agency that produces ocean forecasts and fisheries data, whose monitoring and forecasting shape when commercial fishing operations are considered safe.

Mark Marhefka

A South Carolina shrimper who has worked the fishery for nearly five decades and is quoted on the industry's pressures.

The details

Shrimp boats burn large volumes of diesel, so a price more than doubling over several months lands directly on operating costs. Fishermen also depend on NOAA forecasts and ocean data to decide when conditions are safe for offshore work, so staffing cuts and proposed funding reductions to monitoring programs add uncertainty to daily planning. Meanwhile, low-priced frozen imports from countries including India, Ecuador, Indonesia, Vietnam, and Thailand compete with domestic product, and industry members say the July tariffs have so far produced little pricing relief.

January 2025: Current administration took office and NOAA workforce reductions began.
Start of 2026: Diesel prices were $2.71 per gallon in the region.
July 2026: The administration imposed tariffs on imported shrimp.
Late September 2026: Diesel prices climbed to $5.99 per gallon.
Next fiscal year: The proposed budget would further trim ocean monitoring funding.

Market Landscape

The shrimp market is shaped by a steady flow of low-cost frozen imports, which the U.S. received at roughly 1.59 billion pounds in 2025. The July 2026 tariffs are the latest attempt to shift that balance, but early reports suggest domestic harvesters have not yet seen meaningful price gains.

Seafood harvesters and related small businesses should model fuel as a rising share of operating costs and watch whether tariff-driven price gains reach the dock. Buyers and distributors should monitor domestic versus imported pricing as the next budget cycle affects federal ocean data.

The takeaway

Operators in seafood should track fuel cost per trip alongside dock prices to see whether tariffs are offsetting input inflation. Keep a record of any NOAA forecast gaps that affect planned trips, since reduced monitoring capacity could change scheduling decisions for the season.