Single-zone SST guide

Longbill Spearfish water temperature at Baltimore & Wilmington Canyons.

  • Tetrapturus pfluegeri
  • Billfish
  • June: good

Typical June SST in Baltimore & Wilmington Canyons is 6474°F. Longbill Spearfish prefer 6879°F with peak activity in 7277°F.

SST threshold

Longbill Spearfish threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 7277°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Baltimore & Wilmington Canyons SST × Longbill Spearfish range.

Where Baltimore & Wilmington Canyons typical monthly SST overlaps with longbill spearfish's preferred and optimal ranges, the species is in range.

Best months

June, July, August, September

MonthZone SSTStatus
Jan4654°FOutside
Feb4654°FOutside
Mar4856°FOutside
Apr5060°FOutside
May5666°FOutside
Junnow6474°FPeak
Jul7080°FPeak
Aug7282°FPeak
Sep6876°FPeak
Oct6068°FOutside
Nov5462°FOutside
Dec4856°FOutside

Best months

July, August, September

Spearfish are bycatch on white marlin and tuna trolls in canyon waters. They eat the same baits as whites but ride deeper. Most encounters are accidental.

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 Baltimore & Wilmington Canyons.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Baltimore & Wilmington Canyons hits longbill spearfish's optimal 7277°F window.

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