Florida Straits · United States

Marathon Hump fishing forecast

56 Good of 100

Marathon Hump is a saltwater fishing spot in Florida Straits, United States. Anglers here target Blackfin Tuna, Mahi-Mahi, Wahoo. The most productive months are typically January, February, March, April, May, November, December.

Quick answer

Best monthsJanuary, February, March, April

Top speciesBlackfin Tuna, Mahi-Mahi, Wahoo

Score now56/100

Local rulesFlorida

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Today’s verdict

Ranks #366 of 409 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.

Helping the score most

Water temperature+25.0Current+18.0Waves+9.0

Pressure trend

Pressure data unavailable

Best window today

20:00 · Light wind (0 km/h) and calm seas

Next solunar peak

minor 08:55

Current conditions

Sea surface temp	29.0 °C
Wind	24 km/h from ENE, gusting 33 km/h
Wave height	0.9 m at 10 s
Current	0.22 m/s toward NE
Pressure	1014 hPa
Depth	208 m
Cloud cover	100%
Chlorophyll	0.11 mg/m³
Salinity	36.4 PSU
Mixed-layer depth	61 m
UV index	0
Precipitation (24h)	0.4 mm
Wind sea	0.7 m at 4 s
Ground swell	0.4 m at 10 s from NE
Current shear (surface vs 50 m)	0.22 → 0.12 m/s

The water here is 3.9 °C warmer than the October average of 25.1 °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 60.0 m, so surface temperature carries well down the water column.

Updated 1 h ago.

What the score means at Marathon Hump

Marathon Hump currently scores 56 out of 100 (Good). Water temperature is 29.0 °C. 8 forecast signals are active in this score.

Water temperature +25.0: how close the water is to this species mix’s comfort band
Current +18.0: moving water concentrates bait
Waves +9.0: swell energy stirring the water column
Chlorophyll +6.4: plankton density — the base of the food chain
Wind +5.3: surface chop, oxygen and bait drift
Barometric pressure +3.3: falling pressure often triggers feeding

What’s biting now

The model expects today: blackfin-tuna, tarpon, permit, mahi-mahi, wahoo, blue-tang, stoplight-parrotfish, french-grunt

Bite windows

Moon

Waxing Gibbous · 90% lit

Solunar day rating

50 / 100

Best months for Marathon Hump:

Score history at this spot

30 days tracked at this exact location

Best recent day: 2026-10-12, 59/100

+3 points vs the same day last week

About this spot

Water type

Strait

Straits funnel strong tidal currents. Fish tend to feed around slack water and in the first hour of the flood or ebb, when bait is pushed through.

Approximate bottom depth: 208 m

Access & shore

Best reached by boat · offshore ground

What you can catch

Blackfin Tuna

Thunnus atlanticus
Mahi-Mahi

Coryphaena hippurus
Wahoo

Acanthocybium solandri

Best months by species at Marathon Hump

Blackfin TunaThunnus atlanticus
Mahi-MahiCoryphaena hippurus
WahooAcanthocybium solandri

Typical months; local seasons and closures apply.

Local regulations

Florida Fish and Wildlife Conservation Commission (FWC)

Florida

Licensing:

saltwater-recreational — residents Florida residents 16–64 must purchase a Saltwater Fishing License; $17/yr (short-term rates available)., non-residents Non-residents 16+: $17/3-day, $30/7-day, $47/annual.
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 for informational purposes only. Always verify current rules at myfwc.com before fishing. Seasons and limits change annually.