Single-zone SST guide

Yellowfin Tuna water temperature at Charleston Offshore & Georgia Bight.

  • Thunnus albacares
  • Tuna
  • August: good

Typical August SST in Charleston Offshore & Georgia Bight is 8086°F. Yellowfin Tuna prefer 6586°F with peak activity in 7279°F.

SST threshold

Yellowfin Tuna threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 7279°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Charleston Offshore & Georgia Bight SST × Yellowfin Tuna range.

Where Charleston Offshore & Georgia Bight typical monthly SST overlaps with yellowfin tuna's preferred and optimal ranges, the species is in range.

Best months

April, May, October, November

MonthZone SSTStatus
Jan6270°FFishable
Feb6068°FFishable
Mar6472°FFishable
Apr7076°FPeak
May7480°FPeak
Jun7884°FFishable
Jul8086°FFishable
Augnow8086°FFishable
Sep7884°FFishable
Oct7480°FPeak
Nov6876°FPeak
Dec6472°FFishable

Best months

April, May, October, November

Find a warm core eddy or canyon edge with a 2–4°F break. Troll cedar plugs, ballyhoo, and Green Machines through the warm side. Chunk butterfish at canyon edges overnight on the temperature line.

Verify with current SST imagery

These ranges are climatological norms. Actual SST varies year over year — get an SST satellite shot the day before you run.

Live SST imagery for Charleston Offshore & Georgia Bight.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Charleston Offshore & Georgia Bight hits yellowfin tuna's optimal 7279°F window.

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