week of Jul 20 · SST 84–87°F

Southeast Atlantic — this week

SST 84–87°F · Yellowfin Tuna, Mahi-Mahi, Wahoo prime. Live MUR satellite water temperatures (change is vs. seven days ago). Tap any spot on the chart with Fish mode on for a point-by-point breakdown.

Water temperature — south to north

SpotNowWeek Δ
Jacksonville 84°F -0.2°F
Savannah 87°F +1.3°F
Charleston 86°F +1.3°F
Frying Pan 85°F +0.4°F
Cape Hatteras 84°F +2.7°F

Migration line — weekly movement

SpeciesPrime water reachTrend
Mahi-Mahi prime water reaches Cape Hatteras steady
Yellowfin Tuna prime water reaches Cape Hatteras steady
King Mackerel prime water reaches Cape Hatteras steady
Cobia prime water reaches Cape Hatteras steady
Wahoo prime water reaches Cape Hatteras steady
The northernmost sampled spot whose water sits in the species' habitable band, now vs. a week ago. Fish follow temperature — this is the leading edge, not a sighting report.

In season now — temperature fit

SpeciesFitPrimeTechnique
Yellowfin Tuna 100 72–84°F Troll skirted lures on blue-water edges, rips and canyon walls; chunk at night.
Mahi-Mahi 100 75–86°F Run and gun to weedlines, boards and birds; pitch ballyhoo or jigs.
Wahoo 100 73–84°F High-speed troll (12-16 kt) with weighted lures over ledges and color changes.
Blue Marlin 100 77–86°F Large trolled lures over canyons, seamounts and the continental shelf edge.
Spotted Seatrout 100 64–84°F Popping cork with shrimp over grass flats and potholes at first light.
Common Snook 100 73–88°F Live bait or swimbaits on mangrove edges, dock lights and pass current seams.
Tarpon 100 75–88°F Live crabs or mullet drifted through passes and along beaches on moving tide.
King Mackerel 100 70–84°F Slow-troll live bait over reefs, wrecks and bait schools; wire leader.
Cobia 100 70–84°F Sight-cast jigs or eels to fish on buoys, rays, wrecks and channel markers.
Mangrove Snapper 100 72–86°F Light fluorocarbon and small live baits around any structure; chum heavily.
Blackfin Tuna 100 72–84°F Small jigs or live pilchards over humps at dawn; chum behind shrimpers.
Tripletail 100 73–86°F Sight-cast live shrimp to fish laid up under floats and markers.
Red Drum (Redfish) 79 64–82°F Gold spoons or cut mullet on grass flats, oyster bars and marsh drains.
White Marlin 72 75–82°F Troll naked ballyhoo with dredges over 50-100 fathom lumps and edges.
Named grounds in Southeast Atlantic
Method: habitat-envelope scoring against live NOAA MUR SST at the sampled spots; season windows and envelopes hand-curated from NOAA Fisheries profiles. No catch hearsay — when it says a species fits, it means the water does.

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