Single-zone SST guide

Yellowfin Tuna water temperature at Georges Bank.

  • Thunnus albacares
  • Tuna
  • June: possible

Typical June SST in Georges Bank is 5866°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

Georges Bank SST × Yellowfin Tuna range.

Where Georges Bank typical monthly SST overlaps with yellowfin tuna's preferred and optimal ranges, the species is in range.

Best months

Fishable: July, August, September

MonthZone SSTStatus
Jan4046°FOutside
Feb4046°FOutside
Mar4248°FOutside
Apr4452°FOutside
May5058°FOutside
Junnow5866°FOutside
Jul6270°FFishable
Aug6472°FFishable
Sep6068°FFishable
Oct5462°FOutside
Nov4856°FOutside
Dec4250°FOutside

Best months

August

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 Georges Bank.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Georges Bank hits yellowfin tuna's optimal 7279°F window.

Start free trial →