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Bield:Fish
Single-zone SST guide

Sailfish water temperature at Onslow Bay & Morehead City Offshore.

Istiophorus platypterusBillfishMay: peak

Typical May SST in Onslow Bay & Morehead City Offshore is 7078°F. Sailfish prefer 7082°F with peak activity in 7380°F.

Sailfish SST threshold

50°55°60°65°70°75°80°85°90°Peak 73–80°
Outside toleranceSuboptimalGoodPeak·Dashed line = hard threshold

Year-round overlap with Onslow Bay & Morehead City Offshore SST

Where the Onslow Bay & Morehead City Offshore typical monthly SST band overlaps with sailfish's preferred and optimal ranges, the species is in range.

Best months
May, June, July, August, September, October
MonthZone SSTStatus
Jan5866°FOutside
Feb5664°FOutside
Mar6068°FOutside
Apr6674°FFishable
Maynow7078°FPeak
Jun7482°FPeak
Jul7884°FPeak
Aug7884°FPeak
Sep7682°FPeak
Oct7078°FPeak
Nov6472°FFishable
Dec6068°FOutside
Best months

May, June, September, October

Kite fishing live goggle eyes and threadfin herring is the SE Florida winter standard. Slow-troll dink ballyhoo on weed lines in summer. Find sails on the cool edge where they push bait against the Gulf Stream.

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 Onslow Bay & Morehead City Offshore.

Bield: Fish overlays current NOAA CoastWatch SST onto your chartplotter view and alerts you when Onslow Bay & Morehead City Offshore hits sailfish's optimal 7380°F window.