Single-zone SST guide
White Marlin water temperature at Block Island Canyon Complex.
- Kajikia albida
- Billfish
- June: absent
Typical June SST in Block Island Canyon Complex is 60–68°F. White Marlin prefer 70–82°F with peak activity in 73–79°F.
SST threshold
White Marlin threshold gauge.
Year-round overlap
Block Island Canyon Complex SST × White Marlin range.
Where Block Island Canyon Complex typical monthly SST overlaps with white marlin's preferred and optimal ranges, the species is in range.
Best months
July, August
| Month | Zone SST | Status |
|---|---|---|
| Jan | 42–48°F | Outside |
| Feb | 42–48°F | Outside |
| Mar | 44–50°F | Outside |
| Apr | 46–54°F | Outside |
| May | 52–60°F | Outside |
| Junnow | 60–68°F | Outside |
| Jul | 65–75°F | Peak |
| Aug | 68–78°F | Peak |
| Sep | 64–72°F | Fishable |
| Oct | 56–64°F | Outside |
| Nov | 50–58°F | Outside |
| Dec | 44–52°F | Outside |
Best months
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 Block Island Canyon Complex.
Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Block Island Canyon Complex hits white marlin's optimal 73–79°F window.
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