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Southern flounder

How to fish for Southern flounder around South Padre Island

A practical, conservation-minded plan for finding and fishing for southern flounder in the South Padre area.

Decide whether this is the right trip

Southern flounder live in Sandy potholes, channel edges, drains, passes and jetties where prey crosses a bottom ambush point. Seasonal movement matters strongly, and closures or special regulations may apply during the fall migration That combination should decide whether the day is an inshore wade, a protected-bay boat trip, a surf or jetty session, or a true offshore run.

When to plan it

Seasonal movement matters strongly, and closures or special regulations may apply during the fall migration Treat that as seasonal context, not a forecast. Check water, wind, surf, tide and any closure before committing.

Build the approach

Make controlled casts across the current and pause. A flounder may hold the bait before moving, so avoid an automatic hard hook-set A practical bait and lure starting point is: Soft-plastic baitfish, shrimp and legal live bait presented near bottom are common

Start in the right kind of water

Work a drain, channel shoulder or the edge of a grass flat slowly enough to keep the offering near bottom Never substitute a saved coordinate for current access permission, navigation knowledge or a safe weather plan.

Land, identify and release well

Confirm the current season, minimum length and bag limit before the trip; use a landing net and avoid grabbing near the teeth Carry dehooking tools before the first cast, identify the fish before retention and read the current TPWD saltwater rules. For offshore species, also confirm the current federal season and vessel requirements.

Add it to an island day

Choose a real fishing location or an operator meeting point before adding an outing to My Trip. Keep this species guide as a reference, then pair the fishing window with a flexible meal or beach plan. A tide or weather change should move the plan—not tempt the group into water it would otherwise avoid.

Useful next steps

Before you keep a fish

Fishing limits & special rules

Checked . These are dated summaries, not a live season check. Recheck the official rules before fishing, especially for federal waters or a charter trip. A good forecast does not mean a fish can be kept.

Texas waters and Texas landings

Applies to: Texas salt water / Texas landing · recreational · all flounder species, hybrids and subspecies on TPWD page

TPWD applies five daily and five possession with an inclusive 15-inch minimum outside the November 1-December 14 zero-retention closure; daily bag and possession are both zero during that closure.

Daily bag
5 fishOutside the listed closure
Possession
5 fishOutside the listed closure
Minimum length
15 inches

How to measure: inches: TPWD total/overall length: jaw closed, straight line from snout tip to extreme tail tip; squeeze a soft tail or turn a hard tail for maximum length Official measuring guide (new tab)

  • The listed annual closure runs November 1 through December 14, with a daily bag of 0 and possession limit of 0 in that interval.

Source date or edition: 2026-09-01 through 2027-08-31

Official sources

Federal waters — check the official rule

Applies to: Gulf federal waters / federal rules · recreational · Southern flounder

We have not confirmed the federal limits for this fish. Check the official rules before keeping it in federal waters.

Use the official federal authority for the applicable waters and trip type.

  • Texas limits do not establish what you may keep in federal waters.

Official sources

Licenses, measuring fish and responsible release · Check island conditions

From field guide to outing

Plan a fishing outing for southern flounder

Choose a place, check the season and make this outing your own.

Season

Seasonal movement matters strongly, and closures or special regulations may apply during the fall migration

Habitat and areas

Sandy potholes, channel edges, drains, passes and jetties where prey crosses a bottom ambush point

Work a drain, channel shoulder or the edge of a grass flat slowly enough to keep the offering near bottom

Time of day

Choose daylight so you can assess access and footing. Tide, wind, water clarity and recent fronts can change the plan; no hour guarantees a bite. Check the official marine forecast and ask a local operator about your date.

Bait, tackle and approach

Soft-plastic baitfish, shrimp and legal live bait presented near bottom are common

Make controlled casts across the current and pause. A flounder may hold the bait before moving, so avoid an automatic hard hook-set

Carry dehooking tools and check your licence, current limits and any closures with TPWD. Confirm federal rules when applicable. Watch for teeth and sharp spines.

Choose a place for this outing

Habitat match means the setting fits the species' habitat—not a sighting report or a percentage. Not assessed means we have not established that match. Color always has a text label.

Select a place to see how it relates to this species.

Read the place guides before choosing →

Saves the place, your interest, selected timing and suggested supplies. It does not book anything. Your existing trip stays intact.