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Bield:Fish
Single-zone SST guide

Swordfish water temperature at Louisiana Deepwater & Rigs.

Xiphias gladiusBillfishMay: fair

Typical May SST in Louisiana Deepwater & Rigs is 7682°F. Swordfish prefer 5080°F with peak activity in 6476°F.

Swordfish SST threshold

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

Year-round overlap with Louisiana Deepwater & Rigs SST

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

Best months
January, February, March, April, November, December
MonthZone SSTStatus
Jan6472°FPeak
Feb6470°FPeak
Mar6874°FPeak
Apr7278°FPeak
Maynow7682°FFishable
Jun8084°FOutside
Jul8286°FOutside
Aug8286°FOutside
Sep8084°FOutside
Oct7682°FFishable
Nov7078°FPeak
Dec6674°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 6476°F window.