Single-zone SST guide

Swordfish water temperature at Louisiana Deepwater & Rigs.

  • Xiphias gladius
  • Billfish
  • August: absent

Typical August SST in Louisiana Deepwater & Rigs is 82–86°F. Swordfish prefer 50–80°F with peak activity in 64–76°F.

SST threshold

Swordfish threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 64–76°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Louisiana Deepwater & Rigs SST × Swordfish range.

Where Louisiana Deepwater & Rigs typical monthly SST overlaps with swordfish's preferred and optimal ranges, the species is in range.

Best months

January, February, March, April, November, December

MonthZone SSTStatus
Jan64–72°FPeak
Feb64–70°FPeak
Mar68–74°FPeak
Apr72–78°FPeak
May76–82°FFishable
Jun80–84°FOutside
Jul82–86°FOutside
Augnow82–86°FOutside
Sep80–84°FOutside
Oct76–82°FFishable
Nov70–78°FPeak
Dec66–74°FPeak

Best months

January, February, March, April, November, December

Daytime drops to 1500+ feet on canyon structure — bathymetry over SST. Nighttime drift fishing on the surface in 64–76°F water with squid baits. Gulf Stream edge at night is the classic Mid-Atlantic pattern.

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 Louisiana Deepwater & Rigs.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Louisiana Deepwater & Rigs hits swordfish's optimal 64–76°F window.

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