Single-zone SST guide
Yellowfin Tuna water temperature at Norfolk & Washington Canyons.
- Thunnus albacares
- Tuna
- August: peak
Typical August SST in Norfolk & Washington Canyons is 74–84°F. Yellowfin Tuna prefer 65–86°F with peak activity in 72–79°F.
SST threshold
Yellowfin Tuna threshold gauge.
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
| Month | Zone SST | Status |
|---|---|---|
| Jan | 48–58°F | Outside |
| Feb | 48–56°F | Outside |
| Mar | 50–60°F | Outside |
| Apr | 54–64°F | Outside |
| May | 60–70°F | Fishable |
| Jun | 68–78°F | Peak |
| Jul | 72–82°F | Peak |
| Augnow | 74–84°F | Peak |
| Sep | 70–80°F | Peak |
| Oct | 64–72°F | Fishable |
| Nov | 56–64°F | Outside |
| Dec | 50–60°F | Outside |
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 72–79°F window.
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