Single-zone SST guide

Swordfish water temperature at Norfolk & Washington Canyons.

  • Xiphias gladius
  • Billfish
  • June: peak

Typical June SST in Norfolk & Washington Canyons is 6878°F. Swordfish prefer 5080°F with peak activity in 6476°F.

SST threshold

Swordfish threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 6476°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Norfolk & Washington Canyons SST × Swordfish range.

Where Norfolk & Washington Canyons typical monthly SST overlaps with swordfish's preferred and optimal ranges, the species is in range.

Best months

May, June, July, August, September, October

MonthZone SSTStatus
Jan4858°FFishable
Feb4856°FFishable
Mar5060°FFishable
Apr5464°FFishable
May6070°FPeak
Junnow6878°FPeak
Jul7282°FPeak
Aug7484°FPeak
Sep7080°FPeak
Oct6472°FPeak
Nov5664°FFishable
Dec5060°FFishable

Best months

May, June, July, September, October

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 Norfolk & Washington Canyons.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Norfolk & Washington Canyons hits swordfish's optimal 6476°F window.

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