Atlantic Bluefin Tuna water temperature at Georges Bank.
Typical May SST in Georges Bank is 50–58°F. Atlantic Bluefin Tuna prefer 50–75°F with peak activity in 59–72°F.
Atlantic Bluefin Tuna SST threshold
Year-round overlap with Georges Bank SST
Where the Georges Bank typical monthly SST band overlaps with atlantic bluefin tuna's preferred and optimal ranges, the species is in range.
| Month | Zone SST | Status |
|---|---|---|
| Jan | 40–46°F | Outside |
| Feb | 40–46°F | Outside |
| Mar | 42–48°F | Outside |
| Apr | 44–52°F | Fishable |
| Maynow | 50–58°F | Fishable |
| Jun | 58–66°F | Peak |
| Jul | 62–70°F | Peak |
| Aug | 64–72°F | Peak |
| Sep | 60–68°F | Peak |
| Oct | 54–62°F | Peak |
| Nov | 48–56°F | Fishable |
| Dec | 42–50°F | Outside |
June, July, August, September
Spring bluefin chase sand eels, butterfish, and herring in the 50–62°F band. Troll Rapalas and stickbaits along temperature breaks. Summer fishing focuses on canyon edges and chunking butterfish on the warm-cool boundary.
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 Georges Bank.
Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Georges Bank hits atlantic bluefin tuna's optimal 59–72°F window.