Yellowfin Tuna water temperature at Charleston Offshore & Georgia Bight.
Typical May SST in Charleston Offshore & Georgia Bight is 74–80°F. Yellowfin Tuna prefer 65–86°F with peak activity in 72–79°F.
Yellowfin Tuna SST threshold
Year-round overlap with Charleston Offshore & Georgia Bight SST
Where the Charleston Offshore & Georgia Bight typical monthly SST band overlaps with yellowfin tuna's preferred and optimal ranges, the species is in range.
| Month | Zone SST | Status |
|---|---|---|
| Jan | 62–70°F | Fishable |
| Feb | 60–68°F | Fishable |
| Mar | 64–72°F | Fishable |
| Apr | 70–76°F | Peak |
| Maynow | 74–80°F | Peak |
| Jun | 78–84°F | Fishable |
| Jul | 80–86°F | Fishable |
| Aug | 80–86°F | Fishable |
| Sep | 78–84°F | Fishable |
| Oct | 74–80°F | Peak |
| Nov | 68–76°F | Peak |
| Dec | 64–72°F | Fishable |
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.
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 72–79°F window.