Boca Grande Pass
Charlotte Harbor · Lee County
SW Florida, USA
Open live forecast →Target species: Tarpon.
Weekly AI Outlook as of 06/05/26
Prime tarpon season continues with water temps holding in the mid-80s and manageable winds through the weekend. Both migratory and resident fish are active in Charlotte Harbor system, with early morning hours producing the best action before afternoon heat stress kicks in. Gasparilla Sound offers back-bay opportunities away from main pass crowds.
- Tide: Early incoming tides at dawn offer prime rolling fish opportunities. Harbor back-bays productive during slack periods.
- Patterns: Tube Lures and natural pilchard patterns excel. Tarpon Toads effective in shallow back-bay areas of Charlotte Harbor.
- Water Temp: Mid-80s holding steady — ideal tarpon range. Summer pattern established with early morning peak before heat stress.
- Best Window: Dawn through 9am before afternoon heat. Rolling fish most active during first light in the harbor system.
Generated weekly from live USGS gauge readings, weather forecasts, and recent fly shop reports. Updates Friday mornings.
About this Water
- Coastal Flats
- Best months: May–July (peak tarpon spawn)
Boca Grande Pass on Florida's Gulf Coast is the world capital of tarpon — every May and June, thousands of adult tarpon stage in the pass to spawn, creating one of the most concentrated tarpon fisheries on Earth. The fishery is unique: deep-water sight casting to fish rolling in the pass, with adult tarpon averaging 80–150 pounds. The technique can be controversial (live-bait jig fishing dominates the conventional fleet), but the fly fishing using crab patterns or squid imitations on intermediate or sinking lines produces dramatic eats from giants. Charlotte Harbor's flats outside the pass offer additional sight fishing opportunity.
Boca Grande Pass holds the largest concentration of adult tarpon documented anywhere on Earth — biologists estimate tens of thousands of fish moving through the pass during peak spawn — making it the pinnacle of giant tarpon fishing.
January Outlook
January is the off-season at Boca Grande Pass. The tarpon migration ended months ago and no significant tarpon are present in the pass. However, Charlotte Harbor in January is excellent for snook, redfish, and sheepshead. The pass itself holds large snook during cold snaps, concentrating near the warm-water refuge areas of the harbor.
Productive Patterns
- Snook Streamer (white)
- Redfish Slider
- Sheepshead Crab Fly
- Clouser Minnow
Tips
January in Charlotte Harbor means snook in warm-water refuges and redfish on the grass flats. The pass edges hold snook during cold snaps as fish look for temperature stability. Bridge and dock lights produce snook at night.
Water Notes
Water 62-70°F. Cold fronts every 2 weeks. Snook and redfish are the primary targets. Tarpon season is months away.
February Outlook
February continues the off-season for tarpon at Boca Grande Pass. Charlotte Harbor is excellent for snook and redfish. Sheepshead are at peak abundance on the harbor's oyster bars and pilings. A few very early season tarpon have been reported in warm February years but they're exceptional.
Productive Patterns
- Sheepshead Crab Fly
- Snook Deceiver
- Redfish Crab
- Clouser Minnow (harbor)
Tips
Sheepshead on the oyster bars and dock pilings throughout Charlotte Harbor in February. Snook in the creek mouths and tidal rivers. Redfish schooling on the grass flats of the upper harbor. These species make February an excellent month despite no tarpon.
Water Notes
Water 65-72°F. Fronts still active but moderating. The harbor is sheltered and fishable throughout the month. First tarpon of the year are 4-6 weeks away.
March Outlook
The first tarpon scouts arrive at Boca Grande Pass by mid-March. Numbers are light but early season fish are often the largest of the year. The pass is uncrowded and fish are less pressured.
Productive Patterns
- Tube Lure (pink/white)
- Jig-and-Shrimp (live)
- Crab Fly
- Seaducer
Tips
Fish the deepest part of the pass on the outgoing tide. Early fish are often 100+ lbs. Use heavier leaders than you think necessary — 60-80 lb is standard.
Water Notes
Water 70-75°F and warming. Tarpon arrive with warming water temps. Pass conditions are mellow early season.
April Outlook
April brings increasing tarpon numbers as the major migration begins. Hundreds of fish school in the pass and begin daisy-chaining on calm mornings. Sight casting becomes viable.
Productive Patterns
- Tube Lure (red/orange)
- Live Crab
- Pass Crab Fly
- Seaducer
Tips
Dawn daisy-chaining fish on the pass edges. Use live crabs for bottom-fishing in the main channel. Fly fishing is most productive in the pass on calm mornings.
Water Notes
Water 75-80°F. Consistent tarpon arrival with warming temps. Charlotte Harbor has excellent clarity.
May Outlook
May is peak Boca Grande season. The pass fills with massive schools of migrating tarpon. This is the most famous month for the fishery — fish are wall-to-wall on good days.
Productive Patterns
- Tube Lure
- Live Crab
- Pilchard (live)
- Pass Crab Fly (large)
Tips
Be at the pass at first light for the best action before boat traffic peaks. Fish stack in the deepest part of the pass (26-32 feet) on outgoing tides.
Water Notes
Water 80-84°F. May has the most consistent tarpon presence. Calm spells allow fly fishing opportunities.
June Outlook
June continues strong with both migratory and resident tarpon. The back-bay fishery opens up as fish spread into Charlotte Harbor and adjacent passes. Fewer crowds than May.
Productive Patterns
- Tube Lure
- Pilchard
- Seaducer
- Tarpon Toad
Tips
Explore Gasparilla Sound and Charlotte Harbor for back-bay tarpon. Less crowded than the main pass. Early morning casts to rolling fish in the harbor.
Water Notes
Water 84-88°F. Summer pattern begins. Early morning is most productive.
July Outlook
Resident tarpon remain throughout Charlotte Harbor and back bays. Fishing is good for those willing to work for it. Early morning action before heat and afternoon storms.
Productive Patterns
- Tarpon Toad
- Tube Lure
- Shrimp Fly (night)
- Seaducer
Tips
Night fishing under lights and bridges for juvenile tarpon. Resident fish are smaller (40-70 lbs) but acrobatic. Target rolling fish at first light.
Water Notes
Water 88-90°F. Daily afternoon storms. Morning fishing only for comfortable conditions.
August Outlook
August in Charlotte Harbor and Boca Grande Pass is the heart of summer. The migratory tarpon have largely passed through, but resident fish remain in the harbor and back bays. Snook are in peak summer form in the tidal creeks and around dock lights at night. Redfish are schooling heavily on the grass flats of the upper harbor. The summer pattern requires early morning focus to beat the heat.
Productive Patterns
- Tarpon Toad (resident tarpon)
- Snook Deceiver (night docks)
- Redfish Slider (grass flats)
- Seaducer
Tips
August is prime time for Charlotte Harbor snook around the dock lights and bridge pilings at night. Resident tarpon are in the back bays and can be found rolling at first light. Redfish schools are large on the Matlacha Pass and Pine Island Sound flats.
Water Notes
Water 88-91°F. Peak summer heat. Daily afternoon storms. Morning-only fishing for tarpon. Night fishing for snook is excellent.
September Outlook
September is a transitional month at Boca Grande. Summer heat begins moderating and the first hints of fall arrive. Resident tarpon and snook remain active. Redfish begin concentrating on the grass flats of Charlotte Harbor as summer rains taper off. Hurricane season requires flexible planning.
Productive Patterns
- Tarpon Toad
- Snook Clouser
- Redfish Slider
- EP Crab
Tips
Early September is still summer-pattern: morning tarpon, night snook. By late September, redfish schools on the upper harbor grass flats are building. The harbor's extensive grass flats hold excellent fall redfish populations throughout Charlotte County.
Water Notes
Water 84-89°F and slowly cooling. Hurricane season active. Conditions improving through September. Tarpon lingering in the harbor.
October Outlook
Fall tarpon pass through Boca Grande on their southward migration in October. Numbers are lower than spring but fish are resident and less wary. Excellent opportunity for less crowded tarpon fishing.
Productive Patterns
- Tarpon Toad
- Tube Lure
- EP Crab
- Seaducer
Tips
Fall tarpon are often less selective. Focus on the pass mouth in early morning. Charlotte Harbor also holds resident fish through October.
Water Notes
Water 82-86°F and cooling. Fall tarpon migration begins mid-October. Cleaner water than summer.
November Outlook
November is excellent for Charlotte Harbor's non-tarpon fishery as fall arrives. Snook are back in the creek mouths and tidal rivers after summer's spawn dispersal. Redfish schools are large and feeding actively. The few remaining tarpon provide bonus opportunities. This is a wonderful month to explore the harbor.
Productive Patterns
- Redfish Slider (gold)
- Snook Deceiver
- EP Crab (weedless)
- Seaducer
Tips
November redfish on the Charlotte Harbor grass flats can be in schools of 50-200 fish. Snook in the upper harbor creek mouths and tidal rivers. Pine Island Sound is excellent for both species. The last tarpon are moving south through the pass.
Water Notes
Water 72-78°F. Excellent fall conditions. Cool fronts improving clarity. One of the best harbor months for redfish and snook.
December Outlook
December in Charlotte Harbor is excellent for snook and redfish between cold fronts. Snook concentrate in warm-water refuges. Large redfish schools are on the grass flats on sunny afternoons. The pass is quiet but the harbor offers rewarding winter fishing.
Productive Patterns
- Snook Streamer (warm water refuges)
- Redfish Slider
- Sheepshead Crab (pilings)
- Clouser Minnow
Tips
Focus on the warm tidal creeks and mangrove edges for snook during cold fronts. Redfish on the south-facing flats that warm quickly. Sheepshead excellent on the dock pilings throughout the harbor in December and January.
Water Notes
Water 62-70°F. Cold fronts every 7-14 days. Between fronts, the harbor fishes very well. Tarpon season is 3 months away.
Access & Approach
Boca Grande, FL is the primary base. Multiple guide services operate from Boca Grande and Placida. Florida saltwater license required. The pass is heavily trafficked during peak season — guide essential.
Nearby Fly Shops
- Boca on the Fly
Regulations & License
Fishing in Florida requires a current license. Always verify season dates, bag limits, and any special-regulation waters before you fish.
Florida fishing regulations & license →
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About Current
Boca Grande Pass conditions on Current combine real-time flow data (USGS, WSC, CDEC, CEHQ), weather, tide predictions, hatch probabilities calibrated to this specific water, and recent fly shop reports from the area.
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