Skip to content
Bield:Fish
Single-zone SST guide

Bigeye Tuna water temperature at Baltimore & Wilmington Canyons.

Thunnus obesusTunaMay: peak

Typical May SST in Baltimore & Wilmington Canyons is 5666°F. Bigeye Tuna prefer 5075°F with peak activity in 5972°F.

Bigeye Tuna SST threshold

50°55°60°65°70°75°80°85°90°Peak 59–72°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap with Baltimore & Wilmington Canyons SST

Where the Baltimore & Wilmington Canyons typical monthly SST band overlaps with bigeye tuna's preferred and optimal ranges, the species is in range.

Best months
May, June, July, September, October, November
MonthZone SSTStatus
Jan4654°FFishable
Feb4654°FFishable
Mar4856°FFishable
Apr5060°FFishable
Maynow5666°FPeak
Jun6474°FPeak
Jul7080°FPeak
Aug7282°FFishable
Sep6876°FPeak
Oct6068°FPeak
Nov5462°FPeak
Dec4856°FFishable
Best months

May, June, September, October

Bigeye fishing is canyon-edge fishing at depth. Troll deep-running plugs along the 100-fathom line at sunrise and sunset. SST charts help identify which canyons are eddy-influenced; use bathymetry to find the structure.

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 Baltimore & Wilmington Canyons.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Baltimore & Wilmington Canyons hits bigeye tuna's optimal 5972°F window.