Single-zone SST guide

White Marlin water temperature at Cape Hatteras & Point Offshore.

  • Kajikia albida
  • Billfish
  • August: fair

Typical August SST in Cape Hatteras & Point Offshore is 78–84°F. White Marlin prefer 70–82°F with peak activity in 73–79°F.

SST threshold

White Marlin threshold gauge.

50°55°60°65°70°75°80°85°90°Peak 73–79°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap

Cape Hatteras & Point Offshore SST × White Marlin range.

Where Cape Hatteras & Point Offshore typical monthly SST overlaps with white marlin's preferred and optimal ranges, the species is in range.

Best months

May, June, September, October

MonthZone SSTStatus
Jan58–66°FOutside
Feb56–64°FOutside
Mar58–66°FOutside
Apr64–72°FFishable
May68–76°FPeak
Jun74–82°FPeak
Jul78–84°FFishable
Augnow78–84°FFishable
Sep76–82°FPeak
Oct70–78°FPeak
Nov64–72°FFishable
Dec60–68°FOutside

Best months

June, October

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 Cape Hatteras & Point Offshore.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Cape Hatteras & Point Offshore hits white marlin's optimal 73–79°F window.

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