Single-zone SST guide
Blackfin Tuna water temperature at Long Bay & Myrtle Beach Offshore.
Thunnus atlanticusTunaMay: peak
Typical May SST in Long Bay & Myrtle Beach Offshore is 72–80°F. Blackfin Tuna prefer 68–82°F with peak activity in 72–80°F.
Blackfin Tuna SST threshold
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold
Year-round overlap with Long Bay & Myrtle Beach Offshore SST
Where the Long Bay & Myrtle Beach Offshore typical monthly SST band overlaps with blackfin tuna's preferred and optimal ranges, the species is in range.
Peak overlapFishable (preferred range)Outside preferred range
Best months
April, May, June, September, October, November
| Month | Zone SST | Status |
|---|---|---|
| Jan | 60–68°F | Outside |
| Feb | 58–66°F | Outside |
| Mar | 62–70°F | Fishable |
| Apr | 68–76°F | Peak |
| Maynow | 72–80°F | Peak |
| Jun | 76–84°F | Peak |
| Jul | 80–86°F | Fishable |
| Aug | 80–86°F | Fishable |
| Sep | 78–84°F | Peak |
| Oct | 72–80°F | Peak |
| Nov | 66–74°F | Peak |
| Dec | 62–70°F | Fishable |
Best months
April, May, June, October
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 Long Bay & Myrtle Beach Offshore.
Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Long Bay & Myrtle Beach Offshore hits blackfin tuna's optimal 72–80°F window.