Single-zone SST guide

Blackfin Tuna water temperature at Southeast Florida Gulf Stream Access.

  • Thunnus atlanticus
  • Tuna
  • August: absent

Typical August SST in Southeast Florida Gulf Stream Access is 82–86°F. Blackfin Tuna prefer 68–82°F with peak activity in 72–80°F.

SST threshold

Blackfin Tuna threshold gauge.

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

Year-round overlap

Southeast Florida Gulf Stream Access SST × Blackfin Tuna range.

Where Southeast Florida Gulf Stream Access typical monthly SST overlaps with blackfin tuna's preferred and optimal ranges, the species is in range.

Best months

January, February, March, April, May, October, November, December

MonthZone SSTStatus
Jan72–78°FPeak
Feb72–76°FPeak
Mar74–80°FPeak
Apr76–80°FPeak
May78–82°FPeak
Jun80–84°FFishable
Jul82–86°FOutside
Augnow82–86°FOutside
Sep80–84°FFishable
Oct78–82°FPeak
Nov74–80°FPeak
Dec72–78°FPeak

Best months

January, February, March, April, November, December

Chunk bait at offshore reefs, rigs, and the Gulf Stream edge. Vertical jigging is highly effective. Sunrise and sunset bites are strongest.

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 Southeast Florida Gulf Stream Access.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Southeast Florida Gulf Stream Access hits blackfin tuna's optimal 72–80°F window.

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