Single-zone SST guide
Blackfin Tuna water temperature at Charleston Offshore & Georgia Bight.
- Thunnus atlanticus
- Tuna
- August: possible
Typical August SST in Charleston Offshore & Georgia Bight is 80–86°F. Blackfin Tuna prefer 68–82°F with peak activity in 72–80°F.
SST threshold
Blackfin Tuna threshold gauge.
Year-round overlap
Charleston Offshore & Georgia Bight SST × Blackfin Tuna range.
Where Charleston Offshore & Georgia Bight typical monthly SST overlaps with blackfin tuna's preferred and optimal ranges, the species is in range.
Best months
April, May, June, September, October, November
| Month | Zone SST | Status |
|---|---|---|
| Jan | 62–70°F | Fishable |
| Feb | 60–68°F | Outside |
| Mar | 64–72°F | Fishable |
| Apr | 70–76°F | Peak |
| May | 74–80°F | Peak |
| Jun | 78–84°F | Peak |
| Jul | 80–86°F | Fishable |
| Augnow | 80–86°F | Fishable |
| Sep | 78–84°F | Peak |
| Oct | 74–80°F | Peak |
| Nov | 68–76°F | Peak |
| Dec | 64–72°F | Fishable |
Best months
April, May, October, November
Chunk bait at offshore reefs, rigs, and the Gulf Stream edge. Vertical jigging is highly effective. Sunrise and sunset bites are strongest.
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 blackfin tuna's optimal 72–80°F window.
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