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5.9 · Estuary · Gloucestershire
A classic upper Bristol Channel estuary mark beneath Aust Cliff by the old Severn Bridge. Expect huge tidal range, fierce run and deep, muddy gutters with scattered rock. Most sessions are short and focused around the flood, high water and first of the ebb; distance casting is rarely essential. Heavy tackle, 6–8 oz grip leads and pulley rigs are standard. Best from spring–autumn for thornbacks and bass; late autumn–winter brings whiting and the odd codling. Access is via paths to firm foreshore/rocky ledges near the old ferry slip—never venture onto the mud. Weed and floating debris can be severe on big springs; neaps are easier.
Today · Best available
Best available: 21:00-00:00 around the rising tide
Most likely species: Bass and European Eel
Fair conditions. Best available around 21:00-00:00 around the rising tide, but no window reaches the strong threshold today. Good chance of Bass and European Eel.
Fishable, but pick your timing carefully.
Scores and best windows are weighted for .
Met Office · Open-Meteo
Where the data comes from. Weather and sea-state readings come from the Met Office and Open-Meteo forecast models, refreshed several times a day. High and low water are taken from tide-station predictions for this stretch of coast.
How the score works. Each window is scored 0–100 from the signals that most reliably move fish inshore: tide movement (a running tide carries food, so the last of the flood and first of the ebb are usually the prime spells), wind speed and direction (onshore wind stirs food into the surf — up to the point it makes fishing hard), sea state (a little wave and swell movement helps, heavy swell hurts), and weather — rain, temperature and light. Behind the headline number we score bite opportunity and comfort separately, and run a separate safety check on wind and swell. The size of the tide counts too: spring tides move more water than neaps, so the tidal range for this stretch of coast is weighed alongside the tide's direction, your target species and this mark — and unusually big springs strengthen the safety check, because the water rises faster and covers more ground.
Your target species counts. Pick a species below and the score also weights what we know about it — its season, preferred sea temperature, tide stage and sea state, and whether it feeds by day or night.
The rating is guidance, not a guarantee — conditions change fast on the coast, so always judge the sea in front of you before you fish.
Next 7 days · Aug 6–12, 2026
Local tide times
Wednesday looks better than today. Unlock the week to see its score and exact window.
Fishing rating
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Bite opportunity
Comfort
Safety check
Strong spring tides — the sea rises faster and reaches further up the shore than usual, so allow extra margin on access routes and cut-off points.
The fishing rating combines opportunity and comfort. Always check local sea conditions; the safety check is guidance, not a guarantee.
Spring vs neap tides. Spring tides have a larger difference between high and low water, so more water moves on each tide — usually stronger flow that stirs up food and gets fish feeding. Neap tides have a smaller range and generally gentler movement. The range here is compared with what is normal for this stretch of coast, and the cycle swings between springs and neaps roughly every week, following the moon.
Big spring tides: the water rises faster and covers more ground than usual — double-check access routes and cut-off points before you fish.
Tide curve will appear once tide data is available.
All windows will appear once the forecast is loaded.
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Why this window?
Bite
Comfort
Safety
What's moving this score
This window is scored for — its season, preferred tide, temperature and sea state are weighed alongside the general conditions below.
Mixed signals; focus on timing and location.
Trip planner
Choose when you're free and what you want to catch. We'll show the best tide, weather window and method for this mark.
Premium unlocks exact windows, tactics and alerts.
Jump to towns around this mark for more marks and guides.
Explore nearby towns: Beachley · Olveston · Tutshill and Sedbury · Pilning · Oldbury-on-Severn
Zoom and pan to explore access points and nearby marks.
Jump to guideForecast tuning currently supports Bass and Mackerel — more species are on the way.
Overall rating
Blend of catch potential, access, safety, and overall experience.
Category scores
Local knowledge
Practical access, seasons, methods, tides, safety and facilities for this mark.
Aust is a classic Severn Estuary mark on the English side of the old Severn Bridge in South Gloucestershire. It’s renowned for powerful tides, chocolate-brown water and hard-hitting winter codling, with rays and bass in warmer months. Experienced, well-prepared anglers rate it for its productivity and its dramatic setting—though it demands respect and heavy gear.
Set beneath the M48 Severn Bridge, Aust is reached most easily from the Severn View area near Aust village. Access is straightforward on paper but the final approach to the foreshore involves uneven ground and boulders.
The Severn here is a classic seasonal estuary fishery with a few standouts. Expect short, intense feeding spells around the better tide windows.
Aust is overwhelmingly a bait venue demanding stout tackle and streamlined presentations. Keep rigs simple, strong and aerodynamic.
Aust lives and dies by tide state. The Severn’s range is huge; plan sessions around safer, more manageable phases.
This is a serious tidal venue with soft mud, fast water and unstable ground. If in doubt, do not go—fish a gentler mark instead.
You’re close to roadside amenities, but the shore itself is wild and exposed. Prepare to be self-sufficient at the water’s edge.
Regulars treat Aust like a tidal ambush point—short, accurate, toughened baits in the right window beat hero casts.
Aust is on the English (Devon & Severn IFCA) side of the estuary. Rules can change—always confirm before you fish.
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