Single-zone SST guide
Blue Marlin water temperature at Texas Offshore & Flower Garden Banks.
- Makaira nigricans
- Billfish
- August: good
Typical August SST in Texas Offshore & Flower Garden Banks is 80–86°F. Blue Marlin prefer 72–86°F with peak activity in 76–82°F.
SST threshold
Blue Marlin threshold gauge.
Year-round overlap
Texas Offshore & Flower Garden Banks SST × Blue Marlin range.
Where Texas Offshore & Flower Garden Banks typical monthly SST overlaps with blue marlin's preferred and optimal ranges, the species is in range.
Best months
April, May, June, July, August, September, October, November
| Month | Zone SST | Status |
|---|---|---|
| Jan | 64–72°F | Outside |
| Feb | 64–70°F | Outside |
| Mar | 68–74°F | Fishable |
| Apr | 72–78°F | Peak |
| May | 76–82°F | Peak |
| Jun | 80–84°F | Peak |
| Jul | 80–86°F | Peak |
| Augnow | 80–86°F | Peak |
| Sep | 78–84°F | Peak |
| Oct | 74–82°F | Peak |
| Nov | 70–78°F | Peak |
| Dec | 66–74°F | Fishable |
Best months
May, September, October
Pull big lures and rigged ballyhoo through the warmest available water. Look for bait pods, sargassum, and temperature breaks within the 76–82°F band. Gulf of Mexico oil rigs and Mid-Atlantic canyon edges in summer.
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 blue marlin's optimal 76–82°F window.
Start free trial →