Carew River

5.7 · Estuary · Pembrokeshire

The Carew River is a sheltered tidal estuary/creek feeding into the Cleddau, best fished from easy-access banks, small slipway areas and muddy/sandy edges around Carew and downstream bends. It’s mainly a light-tackle venue for flatties and mullet with occasional bass and school mackerel pushing in on bigger tides; expect soft ground, some snags from weed/roots, and the need to follow the tide back off the mud.

Should you fish Carew River?

62 Fair

Today · Best window

Best window: 06:00-09:00 around the rising tide

Most likely species: Flounder and Mullet (Thick-lipped)

Fair conditions. Best around 06:00-09:00 around the rising tide. Good chance of Flounder and Mullet (Thick-lipped).

W 3 mph Rain 2% High tide 12:12

Fishable, but pick your timing carefully.

Plan this mark

7-day fishing forecast for Carew River — 7-day forecast

Scores and best windows are weighted for .

Met Office 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.

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· windows & tide

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.

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Carew River is a sheltered upper-estuary mark where tide position, channel depth and quiet presentation matter more than casting distance. Treat it as a light-tackle venue for flounder and mullet first, with bass, dabs, whiting and occasional summer mackerel as tide-and-condition bonuses. The best fishing is usually around channel swings, creek mouths, deeper bends and muddy or sandy edges where the flooding tide pushes food over the flats, then again as fish drop back on the early ebb.

  • Find the channel swings that outfish flat water
  • Know when to follow the flood and when to move on the ebb
  • Target flounder with the right light rigs and bait placement
  • Switch between mullet finesse and bass tactics by water clarity
  • Avoid the tide traps and soft mud that spoil sessions
  • Use nearby estuary marks as backups without guessing access

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Forecast tuning currently supports Bass and Mackerel — more species are on the way.

Overall rating

5.7 /10

Blend of catch potential, access, safety, and overall experience.

Category scores

Catch Potential 5/10
Species Variety 6/10
Scenery & Comfort 8/10
Safety 5/10
Accessibility 7/10

Local knowledge

Carew River fishing guide

Practical access, seasons, methods, tides, safety and facilities for this mark.

Carew River is a sheltered, upper-estuary mark on the Daugleddau system near Carew, offering calm-water fishing when the open coast is rough. It’s best approached as an estuary/specimen venue where tides and subtle presentation matter more than big casts.

  • Sheltered water: often fishable in strong winds that make the beaches and headlands unfriendly
  • Primarily an estuary/creek style mark with soft ground and channels rather than surf or rough ground
  • Ideal for light-to-medium tackle, bait fishing, and quiet lure work for resident and run fish

The Carew River sits inland from the open sea, feeding into the Milford Haven waterway via the Cleddau/Daugleddau estuary complex. Access is typically from public rights of way, bankside paths, and local parking areas near the village/river crossings, then short walks to the water.

  • Expect mixed access: some stretches are easy bank fishing; others are fenced, reedy, or privately bordered
  • Best swims are usually where the main channel swings close to the bank, at creek mouths, and around deeper holes near bends
  • Banks can be soft and steep in places; you may need to move to find firm footing and a clear drop into depth

As with many Pembrokeshire estuaries, the Carew River can produce a varied catch depending on season, salinity, and river flow. It’s generally more about quality opportunities (and occasional surprises) than guaranteed numbers.

  • Bass: possible on the flood and around structure/creek mouths; school fish more common than large specimens, but better fish do show
  • Flounder: a reliable estuary staple over clean, silty/sandy ground
  • Mullet (thick-lipped/grey mullet): present in calmer, clearer periods; often seen browsing in harbours/creeks
  • Sea trout: can run the system; usually low-light and tide-dependent—treat as a bonus where lawful and appropriate
  • Eel: possible in warmer months, especially after dusk
  • Occasional estuary species: depending on conditions, you may encounter small flatfish, school pollack near harder edges, or other mixed estuary bycatch

Fishing here rewards finesse: find the channel, fish the tide, and keep terminal tackle simple and tangle-free. Bait fishing is the bread and butter, with lure options when the water has enough clarity.

  • Flounder rigs: simple running ledger or 2-hook flapper with small hooks; keep snoods short to reduce tangles in estuary flow
  • Bass baits: ragworm, lugworm, crab (where appropriate), and small fish baits; present baits on the edge of flow rather than in the heaviest current
  • Mullet tactics: light float fishing with bread or small natural baits; free-lined bread flake can work when fish are confident and the water is calm
  • Lures: small soft plastics, spinners, and shallow divers worked along channel edges; focus on the last of the flood and start of the ebb when predators patrol
  • Groundbait/loosefeed: a little and often for mullet can help, but avoid overfeeding and be mindful of other water users/wildlife

Tide is everything on an upper-estuary mark like this: fish location changes quickly as depth and flow build and then ease. You’ll generally do best when there’s enough movement to bring food along the channels, but not so much that presentation is swept away.

  • Best tide phases: commonly the middle hours of the flood into high water, and the first part of the ebb as fish drop back off the flats
  • Small vs big tides: moderate tides can be easier for bite detection and rig control; larger springs may concentrate fish but can make holding bottom harder
  • Water clarity: clearer water favours mullet and lure fishing; coloured water after rain can suit bait fishing for bass and flounder
  • Weather: sheltered nature helps in wind, but heavy rain/run-off can freshen the upper reaches and push fish down toward more saline water

Although it’s sheltered, estuary fishing brings its own hazards—soft mud, sudden depth changes, and slippery margins. Plan where you’ll stand at low water so you’re not cut off or forced onto unsafe ground as the tide returns.

  • Mud and silt: some areas can be very soft; use a wading staff if you must step onto the foreshore, and avoid wading alone
  • Slips/trips: banks can be steep, weedy, and slick—good boots and a headtorch (after dark) are important
  • Tidal awareness: channels fill quickly; identify exit routes and avoid fishing deep creek arms if you’re unfamiliar with how fast water returns
  • Other users: expect walkers, paddlers, and wildlife activity—cast and retrieve with care
  • Accessibility: some pegs may be suitable for less mobile anglers, but many spots involve uneven ground and short walks; scout in daylight first

Facilities are limited right on the bank, but nearby villages and Pembrokeshire’s tourist infrastructure mean essentials aren’t far away. Treat it as a ‘travel light’ venue and be self-sufficient waterside.

  • Parking: typically available in nearby public areas/lay-bys depending on the exact access point—arrive considerately and don’t block gates
  • Shops/food: available in the local area, though opening hours can be seasonal
  • No dedicated platforms: expect natural banks rather than purpose-built pegs
  • Mobile signal: can be variable in sheltered valleys—don’t rely on it for safety

Small details make a big difference on the Carew River: finding a little extra depth, a pinch point of current, or a crease where food funnels past often out-fishes ‘nice looking’ flat water. A short reconnaissance at low tide can transform your results.

  • Walk it at low water: mark the main channel line, deeper bends, and any little runnels draining mudflats
  • Fish the crease: put baits on the edge of the current seam, not in the fastest flow
  • Keep leads light: use the minimum weight that holds bottom; too heavy can bury in silt and mask bites
  • Quiet approach: particularly for mullet and shallow-water bass—keep footsteps and torch use to a minimum
  • Be adaptable: if bites stop as the tide turns, move 20–50 metres to stay with depth and flow

Estuary fishing in Pembrokeshire can involve a mix of public access, private frontage, and local restrictions (including conservation measures and species-specific rules). I can’t confirm a single, blanket rule set for every stretch labelled ‘Carew River’, so you should verify on-site and with official sources before fishing.

  • Check signage at access points for any local bylaws, seasonal restrictions, or prohibited areas
  • Confirm you’re not crossing private land without permission; some banks may have restricted access despite nearby footpaths
  • Follow current Welsh/UK rules on bass and other regulated species (minimum sizes, bag limits, and seasonal measures can change)
  • If you intend to target migratory fish (e.g., sea trout/salmon), confirm rod licence and local rules where applicable
  • Consider voluntary best practice: return large breeding fish, handle mullet carefully, and avoid disturbance to birds in sensitive creek areas