Southeast Atlantic · ChartNav curated ground
The Charleston Bump
A bottom rise that deflects the Gulf Stream off South Carolina — a wahoo, dolphin and billfish hotspot.
What's biting here — right now
Prime water for Blackfin Tuna & Mahi-Mahi — 84°F on top, water moving now.
Today's bite
3:32 PM – 7:04 PM · dusk bite
Days ahead
Today
GO
10 kt
Sun
GO
10 kt
Mon
ROUGH
seas 6.9 ft
Tue
ROUGH
wind 27 kt
Wed
ROUGH
wind 21 kt
In season (Oct)
SST 84°F in the prime band (72–84°F prime)
Charted 1625 ft suits this species (131–984 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
Better near humps, wrecks and shrimp-boat culling grounds if you can find it
Small jigs or live pilchards over humps at dawn; chum behind shrimpers.
Mahi-Mahi100
In season (Oct)
SST 84°F in the prime band (75–86°F prime)
Charted 1625 ft suits this species (131–6560 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
Better near weedlines and floating debris, not bottom structure if you can find it
Run and gun to weedlines, boards and birds; pitch ballyhoo or jigs.
Wahoo100
In season (Oct)
SST 84°F in the prime band (73–84°F prime)
Charted 1625 ft suits this species (197–6560 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
High-speed troll (12-16 kt) with weighted lures over ledges and color changes.
In season (Oct)
SST 84°F in the prime band (72–84°F prime)
Charted 1625 ft suits this species (197–4920 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
Troll skirted lures on blue-water edges, rips and canyon walls; chunk at night.
Sailfish61
In season (Oct)
SST 84°F in the prime band (75–86°F prime)
Charted 1625 ft marginal for this species (98–656 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
In NOAA-designated Essential Fish Habitat
Kite-fish live baits on color changes and showering ballyhoo.
Off-season here in Oct
SST 84°F in the prime band (77–86°F prime)
Charted 1625 ft suits this species (656–9840 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
In NOAA-designated Essential Fish Habitat
Large trolled lures over canyons, seamounts and the continental shelf edge.
Off-season here in Oct
SST 84°F workable (75–82°F prime)
Charted 1625 ft suits this species (328–6560 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
In NOAA-designated Essential Fish Habitat
Troll naked ballyhoo with dredges over 50-100 fathom lumps and edges.
In season (Oct)
SST 84°F in the prime band (70–84°F prime)
Charted 1625 ft marginal for this species (39–197 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
Better near structure or edges if you can find it
Slow-troll live bait over reefs, wrecks and bait schools; wire leader.
In season (Oct)
SST 84°F outside preference (64–81°F prime)
Charted 1625 ft suits this species (1148–8200 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
In NOAA-designated Essential Fish Habitat
Deep-drop a rigged bait 350-500 m by day along canyon walls.
In season (Oct)
SST 84°F in the prime band (72–86°F prime)
Charted 1625 ft marginal for this species (10–197 ft ideal)
Temperature break nearby (0.9°C across ~15 nm)
Cut bait in a slick off the beach or the bar — the one that jumps and spins when it eats.
In season (Oct)
Bottom temp 55°F at 984 ft in the prime band (54–82°F prime)
Charted 1625 ft marginal for this species (7–66 ft ideal)
Better near bridge pilings and jetty rock if you can find it
Fresh crab or clam on the bottom along channel edges and hard against bridge and jetty rock.
In season (Oct)
SST 84°F in the prime band (70–84°F prime)
Charted 1625 ft marginal for this species (26–131 ft ideal)
Better near structure or edges if you can find it
Sight-cast jigs or eels to fish on buoys, rays, wrecks and channel markers.
Live habitat-envelope scoring at this exact cell — SST, charted depth, charted structure and seabed, NOAA-designated habitat. The same engine and cards as tapping the spot in Fish mode.
Today's bite windows — moving water
Moving water right now — easing
3:32 PM – 7:04 PM
peak 5:18 PM · ebb
peak 5:18 PM · ebb
9:54 PM – 1:14 AM
peak 11:34 PM · flood
peak 11:34 PM · flood
3:57 AM – 7:13 AM
peak 5:35 AM · ebb
peak 5:35 AM · ebb
Derived from the tide at Folly Island (outer coast) — flow peaks near mid-tide, goes slack near high and low. No tidal-current station within 10 nm of this spot. Timing only — it never changes the habitat scores above.
The week ahead — full forecast
Drag the graph for any hour — wind, gusts, seas & period, rain, predicted current. The pale band around the wind line is model disagreement; the day chips carry the verdict and the number that caused it; the moons are real phases.
Sea state right now — every train
Combined
3.0 ft @ 11 s
from E
Wind sea
1.0 ft @ 2 s
from E · wind chop
Swell 1
2.0 ft @ 9 s
from E
Swell 2
2.0 ft @ 8 s
from SSE
Swell 3
0.0 ft
Wind: NBM 2.5km direct (69 h) → GFS 0.25° direct (3 h) → Open-Meteo blend (96 h) · Waves: GFS-Wave 0.16° (12Z cycle), full train decomposition · Confidence band: GEFS ensemble spread · Bite windows: CO-OPS tidal predictions
Water temperature — last 10 weeks
2026-07-24 → 2026-10-02 · 84–87°F
Best months here
J
F
M
A
M
J
J
A
S
O
N
D
Species in season by month for Southeast Atlantic (from the knowledge base). In season now: Atlantic Croaker, Black Drum, Blueline Tilefish, Northern Kingfish, Red Porgy, Southern Flounder, Cobia, Crevalle Jack, Florida Pompano, Red Drum (Redfish).
Other grounds in Southeast Atlantic
Frying Pan Shoals
King Mackerel · Cobia · Greater Amberjack
The Point — Cape Hatteras
Yellowfin Tuna · Bluefin Tuna · Mahi-Mahi
Reuse welcome with attribution. Weekly regional report: Southeast Atlantic · Feed: RSS · all US grounds: /fishing.