Charleston Offshore SC fishing forecast
Charleston Offshore SC is a saltwater fishing spot in South Carolina, United States. Anglers here target Yellowfin Tuna, Mahi-Mahi, Wahoo, King Mackerel. The most productive months are typically May, June, July, August, September, October.
Today’s verdict
Ranks #345 of 437 spots FishRadar scored worldwide today
In line with this spot’s 7-day average
Score confidence ±4 points, from 8 live signals
The statistical model disagrees with the physics model here today — treat this score with extra caution.
Current conditions
| Sea surface temp | 29.5 °C |
|---|---|
| Wind | 40 km/h from NE |
| Wave height | 1.0 m at 6 s |
| Current | 0.18 m/s toward SSW |
| Pressure | 1019 hPa |
| Cloud cover | 100% |
| Chlorophyll | 5.87 mg/m³ |
| Salinity | 35.9 PSU |
| Mixed-layer depth | 10 m |
| UV index | 0 |
| Wind sea | 0.9 m at 4 s |
| Ground swell | 0.4 m at 6 s from E |
| Current shear (surface vs 50 m) | 0.18 → 0.00 m/s |
The water here is 5.2 °C warmer than the September average of 24.3 °C. Warmer-than-normal water pushes cool-water species deeper and brings warm-water species in earlier than the calendar suggests. The water is mixed to about 26.7 m, with the thermocline below that.
Charleston tide chart & times · 1 km from this spot
Updated 1 h ago.
What the score means at Charleston Offshore SC
Charleston Offshore SC currently scores 59 out of 100 (Good). Water temperature is 29.5 °C. 8 forecast signals are active in this score.
- Water temperature +21.6
- how close the water is to this species mix’s comfort band
- Current +18.0
- moving water concentrates bait
- Chlorophyll +12.6
- plankton density — the base of the food chain
- Waves +9.0
- swell energy stirring the water column
- Chlorophyll front +5.0
- a plankton edge — classic feeding line
- Barometric pressure +3.3
- falling pressure often triggers feeding
What’s biting now
The model expects today: red-drum, spotted-sea-trout, king-mackerel, spot-croaker, pinfish, atlantic-croaker, weakfish, southern-flounder
Bite windows
Best months for Charleston Offshore SC:
Score history at this spot
30 days tracked at this exact location
Best recent day: 2026-08-28, 73/100
3 day(s) at 70+ in the tracked period
About this spot
Open coastal saltwater — conditions and safety depend heavily on the live wind, wave, and tide forecast, so check them before you head out.
Access & shore
Best reached by boat · offshore-only
What you can catch
-
Thunnus albacares
-
Coryphaena hippurus
-
Acanthocybium solandri
-
Scomberomorus cavalla
Best months by species at Charleston Offshore SC
| Yellowfin TunaThunnus albacares | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mahi-MahiCoryphaena hippurus | ||||||||||||
| WahooAcanthocybium solandri | ||||||||||||
| King MackerelScomberomorus cavalla |
Typical months; local seasons and closures apply.
Local regulations
Licensing:
- saltwater-recreational — residents Federal Recreational Fishing License may be required in addition to state license when fishing federal (EEZ) waters., non-residents Same as residents. Many states require their own license even in federal waters.
FishRadar regulations are summaries only. Federal and state waters rules overlap — always verify current federal and state agency rules before fishing.
Check Charleston Offshore SC before you go
Live scores update through the day. Get the full forecast, bite windows, and your own saved spots in the FishRadar app.
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Nearby spots
Explore 10 more fishing spots within 371 km of Charleston Offshore SC.
-
Lake Moultrie SC
Lake Marion SC
Hilton Head South Carolina
Savannah Georgia Offshore
Great Pee Dee River SC
Lake Murray SC
Jacksonville Florida Offshore
Lake Norman NC
Lake Hartwell SC
Beaufort NC Inlet
Frequently asked questions
What fish can you catch at Charleston Offshore SC?
Anglers at Charleston Offshore SC target Yellowfin Tuna, Mahi-Mahi, Wahoo and King Mackerel.
When is the best time to fish Charleston Offshore SC?
The most productive months at Charleston Offshore SC are typically May, June, July, August, September, October.
What is the fishing forecast for Charleston Offshore SC right now?
Charleston Offshore SC currently scores 59 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.
Can you fish Charleston Offshore SC from shore?
Charleston Offshore SC is best reached by boat; the scored water sits off a offshore-only.
Is the thermocline set up at Charleston Offshore SC right now?
Not strongly right now — the water column is fairly mixed, so fish are less depth-locked.
Fishing guides for this spot
- How to Catch Yellowfin Tuna: Chasing the Blue-Water BrawlerHow to Catch Mahi-Mahi / Dorado: Chasing the Electric-Green Ghosts of the BluewaterHow to Read Tides for Fishing
Forecasts, not guarantees — check local rules before you fish.