King Mackerel water temperature at Northeast Florida Offshore & St. Augustine.
Typical May SST in Northeast Florida Offshore & St. Augustine is 76–82°F. King Mackerel prefer 68–84°F with peak activity in 72–80°F.
King Mackerel SST threshold
Year-round overlap with Northeast Florida Offshore & St. Augustine SST
Where the Northeast Florida Offshore & St. Augustine typical monthly SST band overlaps with king mackerel's preferred and optimal ranges, the species is in range.
| Month | Zone SST | Status |
|---|---|---|
| Jan | 64–72°F | Fishable |
| Feb | 64–70°F | Fishable |
| Mar | 66–74°F | Peak |
| Apr | 72–78°F | Peak |
| Maynow | 76–82°F | Peak |
| Jun | 80–84°F | Fishable |
| Jul | 82–86°F | Fishable |
| Aug | 82–86°F | Fishable |
| Sep | 80–84°F | Fishable |
| Oct | 76–82°F | Peak |
| Nov | 70–76°F | Peak |
| Dec | 66–72°F | Fishable |
April, May, October, November
Live bait — blue runners, ribbonfish, hardtails — slow-trolled on the leading edge of the temperature push. Spring migration north and fall migration south are the highest-density windows.
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 Northeast Florida Offshore & St. Augustine.
Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Northeast Florida Offshore & St. Augustine hits king mackerel's optimal 72–80°F window.