Single-zone SST guide
Swordfish water temperature at Texas Offshore & Flower Garden Banks.
- Xiphias gladius
- Billfish
- August: absent
Typical August SST in Texas Offshore & Flower Garden Banks is 80–86°F. Swordfish prefer 50–80°F with peak activity in 64–76°F.
SST threshold
Swordfish threshold gauge.
Year-round overlap
Texas Offshore & Flower Garden Banks SST × Swordfish range.
Where Texas Offshore & Flower Garden Banks typical monthly SST overlaps with swordfish's preferred and optimal ranges, the species is in range.
Best months
January, February, March, April, October, November, December
| Month | Zone SST | Status |
|---|---|---|
| Jan | 64–72°F | Peak |
| Feb | 64–70°F | Peak |
| Mar | 68–74°F | Peak |
| Apr | 72–78°F | Peak |
| May | 76–82°F | Fishable |
| Jun | 80–84°F | Outside |
| Jul | 80–86°F | Outside |
| Augnow | 80–86°F | Outside |
| Sep | 78–84°F | Fishable |
| Oct | 74–82°F | Peak |
| Nov | 70–78°F | Peak |
| Dec | 66–74°F | Peak |
Best months
January, February, March, April, November, December
Daytime drops to 1500+ feet on canyon structure — bathymetry over SST. Nighttime drift fishing on the surface in 64–76°F water with squid baits. Gulf Stream edge at night is the classic Mid-Atlantic pattern.
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 Texas Offshore & Flower Garden Banks.
Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Texas Offshore & Flower Garden Banks hits swordfish's optimal 64–76°F window.
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