Single-zone SST guide

Blue Marlin water temperature at Southeast Florida Gulf Stream Access.

  • Makaira nigricans
  • Billfish
  • August: fair

Typical August SST in Southeast Florida Gulf Stream Access is 82–86°F. Blue Marlin prefer 72–86°F with peak activity in 76–82°F.

SST threshold

Blue Marlin threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 76–82°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Southeast Florida Gulf Stream Access SST × Blue Marlin range.

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

Best months

January, March, April, May, June, September, October, November, December

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

Best months

March, April, May, October, November

Pull big lures and rigged ballyhoo through the warmest available water. Look for bait pods, sargassum, and temperature breaks within the 76–82°F band. Gulf of Mexico oil rigs and Mid-Atlantic canyon edges in summer.

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 blue marlin's optimal 76–82°F window.

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