Single-zone SST guide

White Marlin water temperature at Baltimore & Wilmington Canyons.

  • Kajikia albida
  • Billfish
  • June: fair

Typical June SST in Baltimore & Wilmington Canyons is 6474°F. White Marlin prefer 7082°F with peak activity in 7379°F.

SST threshold

White Marlin threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 7379°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Baltimore & Wilmington Canyons SST × White Marlin range.

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

Best months

July, August, September

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

Best months

July, August

White marlin fishing is sight fishing at the surface — pitch baits to fish coming up on a teaser. Find them on the warm side of a 2–3°F break in 73–79°F water. Mid-Atlantic canyon mornings in August are the iconic bite.

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 white marlin's optimal 7379°F window.

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