Single-zone SST guide

Yellowfin Tuna water temperature at Norfolk & Washington Canyons.

  • Thunnus albacares
  • Tuna
  • June: peak

Typical June SST in Norfolk & Washington Canyons is 6878°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

Norfolk & Washington Canyons SST × Yellowfin Tuna range.

Where Norfolk & Washington Canyons typical monthly SST overlaps with yellowfin tuna's preferred and optimal ranges, the species is in range.

Best months

June, July, August, September

MonthZone SSTStatus
Jan4858°FOutside
Feb4856°FOutside
Mar5060°FOutside
Apr5464°FOutside
May6070°FFishable
Junnow6878°FPeak
Jul7282°FPeak
Aug7484°FPeak
Sep7080°FPeak
Oct6472°FFishable
Nov5664°FOutside
Dec5060°FOutside

Best months

June, July, August, September

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 Norfolk & Washington Canyons.

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

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