Single-zone SST guide
White Marlin water temperature at Baltimore & Wilmington Canyons.
- Kajikia albida
- Billfish
- August: peak
Typical August SST in Baltimore & Wilmington Canyons is 72–82°F. White Marlin prefer 70–82°F with peak activity in 73–79°F.
SST threshold
White Marlin threshold gauge.
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
| Month | Zone SST | Status |
|---|---|---|
| Jan | 46–54°F | Outside |
| Feb | 46–54°F | Outside |
| Mar | 48–56°F | Outside |
| Apr | 50–60°F | Outside |
| May | 56–66°F | Outside |
| Jun | 64–74°F | Fishable |
| Jul | 70–80°F | Peak |
| Augnow | 72–82°F | Peak |
| Sep | 68–76°F | Peak |
| Oct | 60–68°F | Outside |
| Nov | 54–62°F | Outside |
| Dec | 48–56°F | Outside |
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 73–79°F window.
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