Gulf at 78°F: LA Marsh Reds and Trout Active as Spring Peaks
NOAA buoy 42001 clocked Gulf water temps at 78°F Tuesday evening — well into the warm-water window that draws redfish and speckled trout into Louisiana's coastal marshes and back bays. Nearshore seas are running a manageable 2.6 ft (buoy 42067) with light 9 mph winds, though the open Gulf sits at a choppier 5.2 ft, limiting offshore runs for all but the most capable vessels. No Louisiana-specific captain or shop reports came through this cycle, so the species assessments below draw on seasonal patterns rather than confirmed bites. Coastal Angler Magazine reports that warming Gulf waters are triggering 'jubilee' events in adjacent Mobile Bay — a sign that the broader Gulf Coast fishery is activating as baitfish crowd toward accessible shallows. The waning gibbous moon is generating strong tidal exchanges this week; historically, that moving water is when Louisiana's inshore bite turns hardest, especially on cut mouths and marsh edges flanking the delta passes at first and last light.
Current Conditions
- Water temp
- 78°F
- Moon
- Waning Gibbous
- Tide / flow
- Nearshore seas 2.6 ft (buoy 42067); offshore seas 5.2 ft (buoy 42001); waning gibbous driving strong tidal exchanges — target moving water on cuts and pass mouths.
- Weather
- Light winds near 9–11 mph; air temps around 80°F; offshore seas running 5.2 ft.
New to these readings? What do water temp, cfs, tide, and moon phase actually mean for fishing?
What's Biting
Redfish
outgoing-tide cut mouths with live croaker or gold spoons
Speckled Trout
soft plastics on grass flats and shell bottom at first light
Tarpon
live mullet near pass and channel mouths at dawn — no confirmed arrivals this cycle
Red Snapper
bottom rigs on nearshore structure when seas allow; verify current federal Gulf season dates before harvesting
What's Next
Conditions favor inshore anglers over the next two to three days. With Gulf water temps at 78°F and nearshore seas at a workable 2.6 ft (buoy 42067), bay boats and kayaks should find comfortable access to the marsh edges, shell-bottom flats, and cut mouths that hold redfish and speckled trout through the warm-season peak.
The waning gibbous moon continues to drive pronounced tidal exchanges — plan around the moving water, not the clock. Incoming tides push bait deep into the marsh interior, where redfish stage near submerged grass and ambush mullet and pogies on the flood. Outgoing tides concentrate fish at the mouths of bayous and cuts as forage funnels through. First and last light on those outgoing windows are the highest-percentage times this week.
Offshore, the 5.2 ft seas at buoy 42001 are the headline constraint. The wind component at that buoy is modest — around 11 mph — suggesting the chop is at least partly swell-driven. If seas moderate to 3–4 ft by mid-week, a window may open for the nearshore structure crowd in 30–60 feet targeting snapper and grouper on bottom rigs. Check current federal Gulf of Mexico season regulations before harvesting red snapper, as season dates and bag limits are set annually and subject to change.
Tarpon are worth watching as water temps hold firmly above 75°F. Louisiana's passes and river mouths are traditional early-season staging grounds, and May typically marks when the first big fish begin rolling through. No confirmed reports of tarpon arrivals came through this cycle, but the thermal window is open. Live mullet near channel edges at dawn is the classic early-season play.
Context
May is historically one of the strongest inshore months along the Louisiana Gulf Coast. Water temperatures in early May typically run the mid-to-upper 70s°F, and the 78°F reading from buoy 42001 lands right on that seasonal norm — possibly a degree or two above the longer-run average for this date, but not dramatically elevated.
Redfish and speckled trout are the bedrock species of this fishery and reliably active from April through October. Late April through June typically offers some of the best size-class diversity of the year: schooling sub-reds on shallow ponds, slot-to-over-slot fish working reef edges and grass points, and larger speckled trout holding over shell bottom or near deeper bay structure as surface temps rise through the day.
Tarpon historically begin staging in Louisiana's coastal passes in May, with peak action extending through July. Their arrival correlates closely with water temps clearing 75°F — a threshold that is now firmly in the rearview. Coastal Angler Magazine's reporting on Gulf Coast jubilee events in Mobile Bay is a useful seasonal marker: when Gulf baitfish are crowding shallows that far east along the coast, the Louisiana marsh fishery is typically firing as well.
No direct Louisiana-specific comparison data — charter logs, tackle-shop reports, or state agency summaries — came through in this reporting cycle. The intel feeds this week skewed heavily toward Florida's Atlantic coast and Northeast fisheries. Anglers with recent on-water experience should treat the species assessments here as seasonally grounded baselines rather than real-time confirmed bites, and check local fishing forums or marina boards before launching.
This report is synthesized by Hooked Fisherman from real-time NOAA buoy data, USGS stream gauges, and current reports across regional fishing blogs, captain updates, and angler forums. Source names are cited inline where they appear. Check local regulations before keeping fish. Never trust a single source for a trip decision.