Waterlands

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Southern flounderRetention open

Bay · Texas

Dunham Bay

28.14°N · 96.91°W · Bay · San Antonio, Mesquite, and Espiritu Santo Bays

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Best score today · 8 PM · Southern flounder

75/100Great
Now
556 PM CDT
Best window
6 PM-12 AMEbb tide
Tide now
Ebbing0.2 ft ▼

Data from: NOAA CO-OPS + NDBC + ECMWF + Open-Meteo Marine · Waterlands engine

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24-hour conditions · rolling from now

Conditions · 6 PM · now

Time6PNOW
Score55Good
Tide0.2 ft ▼Ebbing
Current0.3 knmodeled · toward SW
Wind10 kn ESEgusts 20 · easing
Sea stateLight chop1.7 ft · 3 s
Air temp88°Hot
WeatherOvercast35% chance of rain
Water89°FObserved

Current regulations

What you can keep here today

Texas state waters (shore to 9 nautical miles, bays included)

IN EFFECT NOW

Southern flounder

Retention open
Daily limit
5 per day
Possession
5 in possession
Size
Minimum 15 in, total length
Season
No closed season on file
Annual quota
Not published
Changes
Closed from Nov 1
Other
The bag is 0 from Nov. 1 through Dec. 14 while the fishery is closed. The limit covers all flounder species and their hybrids. The possession limit equals the daily bag.

From TPWD 2026-27 Outdoor Annual, Flounder Bag & Length Limits, read Sep 13

Other species here

  • Black drum Retention open (5 per day)
  • Cobia Retention open (1 per day)
  • Gag grouper Retention open (2 per day)
  • Gray triggerfish Retention open (20 per day)
  • Greater amberjack Retention open (1 per day)
  • King mackerel Retention open (3 per day)
  • Red drum Retention open (3 per day)
  • Red snapper Retention open (4 per day)
  • Sailfish Retention open
  • Sheepshead Retention open (5 per day)
  • Snook Retention open (1 per day)
  • Spanish mackerel Retention open (15 per day)
  • Spotted seatrout Retention open (3 per day)
  • Striped bass Retention open (5 per day)
  • Tarpon Retention open (1 per day)

Seasonality · 52-week view · this week ringed

When Southern flounder is best here

Shoulder season for Southern flounder · 1 more week at shoulder

Southern flounder season by week of the year. Shoulder season for Southern flounder · 1 more week at shoulder.
  • Peak
  • Shoulder
  • Off
  • This week

Southern flounder in Texas

Spot profile

Dunham Bay

Depth
About 1 ftFlat bottom
Structure
Bay · Inner · ProtectedBay · flat bottom
Season
Shoulder seasonSouthern flounder

NOAA NCEI DEM, sampled Sep 13 on a 3.4 m grid. Depths are feet below NAVD 88, not chart datum (MLLW), so they can differ from a chart by a few feet. Not for navigation.

About this spot

Fishing Dunham Bay

Dunham Bay is a bay in San Antonio, Mesquite, and Espiritu Santo Bays, Texas. Depth is about 1 ft, with a flat bottom. Its profile reads bay, inner water and protected.

Waterlands scores 15 species here; the best right now are Atlantic tarpon, red drum and crevalle jack. It is peak season now for Atlantic tarpon, red drum, crevalle jack and Atlantic croaker, and shoulder season for black drum, red snapper, gray triggerfish and gray snapper. Atlantic tarpon peak from July through September. Red drum peak from August through November. Crevalle jack peak from June through September.

Tackle & technique

Southern flounder
Flounder lie half buried on soft bottom along marsh edges, creek mouths, dock pilings and the sandy sides of passes, usually in 1 to 15 feet of water. Drag a mud minnow or finger mullet on a Carolina rig, or bump a soft plastic slowly along the bottom, and give the fish a few seconds before setting the hook. In fall the adults stack up at passes and jetties on their way offshore, and many anglers gig them at night in knee-deep water.
Atlantic tarpon
Tarpon roll along beaches, in passes and channels, and under bridges from late spring through fall, and in South Florida some fish stay through winter in warm canals and backcountry rivers. Live crabs, mullet or pinfish drifted through a pass on the outgoing tide, or a fly or soft plastic cast ahead of a rolling string of fish, are the main approaches. Use a long heavy leader, bow to the jumps, and keep big fish in the water for release.
Red drum
Redfish feed on shallow grass flats, oyster bars and marsh edges, often in 1 to 4 feet of water, and drop into channels, deep holes and tidal creeks when the water turns very hot or cold. Work a live shrimp under a popping cork or a soft plastic along the grass line on a rising tide, then fish creek mouths and drains as the tide falls. Bull reds over 30 inches school in the surf, passes and jetties in late summer and fall, where cut mullet or a live crab on the bottom is the standard approach.

Nearby spots

Other spots within an easy run

  • Cape Carlos Dugout

    Channel · 1.7 mi

    74
    Top: Atlantic tarponPeak season
    • Atlantic tarpon 74
    • Atlantic croaker 71
    • Red drum 71

    10 kt ESEL 12:06 AM · 0.1 ftH 10:00 AM · 0.3 ft

  • Cedar Dugout

    Channel · 2.1 mi

    72
    Top: Atlantic croakerPeak season
    • Atlantic croaker 72
    • Atlantic tarpon 63
    • Red drum 57

    10 kt ESEL 3:16 AM · 0.5 ftH 6:34 PM · 0.7 ft

  • Carlos Bay

    Bay · 1.5 mi

    71
    Top: Red drumPeak season
    • Red drum 71
    • Atlantic tarpon 71
    • Crevalle jack 69

    10 kt ESEL 12:06 AM · 0.1 ftH 10:00 AM · 0.3 ft

  • Cedar Reef

    Bar · 1.7 mi

    70
    Top: Atlantic croakerPeak season
    • Atlantic croaker 70
    • Red drum 59
    • Atlantic tarpon 59

    10 kt ESEL 3:16 AM · 0.5 ftH 6:34 PM · 0.7 ft

Scores and forecasts are for planning only and can be wrong. Conditions on the water change fast; check the marine forecast before you go. Regulations change during the season, so confirm limits and closures with TPWD before you keep a fish.