Blue Marlin water temperature at Southeast Florida Gulf Stream Access.
Typical May SST in Southeast Florida Gulf Stream Access is 78–82°F. Blue Marlin prefer 72–86°F with peak activity in 76–82°F.
Blue Marlin SST threshold
Year-round overlap with Southeast Florida Gulf Stream Access SST
Where the Southeast Florida Gulf Stream Access typical monthly SST band overlaps with blue marlin's preferred and optimal ranges, the species is in range.
| Month | Zone SST | Status |
|---|---|---|
| Jan | 72–78°F | Peak |
| Feb | 72–76°F | Fishable |
| Mar | 74–80°F | Peak |
| Apr | 76–80°F | Peak |
| Maynow | 78–82°F | Peak |
| Jun | 80–84°F | Peak |
| Jul | 82–86°F | Fishable |
| Aug | 82–86°F | Fishable |
| Sep | 80–84°F | Peak |
| Oct | 78–82°F | Peak |
| Nov | 74–80°F | Peak |
| Dec | 72–78°F | Peak |
March, April, May, October, November
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.
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 Southeast Florida Gulf Stream Access.
Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Southeast Florida Gulf Stream Access hits blue marlin's optimal 76–82°F window.