Northern Portugal · Portugal

Viana do Castelo Portugal fishing forecast

93 Good of 100

Viana do Castelo Portugal is a saltwater fishing spot in Northern Portugal, Portugal. Anglers here target Atlantic Bluefin Tuna, Atlantic Bonito, European Seabass, Atlantic Mackerel. The most productive months are typically June, July, August, September, October.

Quick answer
Best monthsJune, July, August, September
Top speciesAtlantic Bluefin Tuna, Atlantic Bonito, European Seabass
Score now93/100
Local rulesPortugal

Today’s verdict

Ranks #39 of 437 spots FishRadar scored worldwide today

In line with this spot’s 7-day average

Score confidence ±4 points, from 8 live signals

The statistical model disagrees with the physics model here today — treat this score with extra caution.

Helping the score most
Water temperature+25.0Chlorophyll+12.6Waves+9.0
Pressure trend
Pressure data unavailable
Best window today
17:00 · Light wind (0 km/h) and calm seas
Next solunar peak
dawn 06:13

Current conditions

Sea surface temp17.9 °C
Wind10 km/h from NE, gusting 15 km/h
Wave height1.2 m at 8 s
Current0.05 m/s toward SSE
Pressure1022 hPa
Depth6 m
Cloud cover12%
Chlorophyll5.08 mg/m³
Salinity34.8 PSU
Mixed-layer depth10 m
UV index0
Wind sea0.0 m at 0 s
Ground swell1.2 m at 8 s from WNW
Current shear (surface vs 50 m)0.05 → 0.00 m/s

The water here is 2.5 °C cooler than the September average of 20.3 °C. Cooler-than-normal water slows the bite for warm-water species and holds cool-water species shallower for longer. The water is mixed to about 26.7 m, with the thermocline below that.

Updated 1 h ago.

What the score means at Viana do Castelo Portugal

Viana do Castelo Portugal currently scores 93 out of 100 (Good). Water temperature is 17.9 °C. 8 forecast signals are active in this score.

Water temperature +25.0
how close the water is to this species mix’s comfort band
Chlorophyll +12.6
plankton density — the base of the food chain
Waves +9.0
swell energy stirring the water column
Wind +8.0
surface chop, oxygen and bait drift
Current +5.4
moving water concentrates bait
Thermal front +5.0
temperature edges concentrate bait and predators

What’s biting now

The model expects today: atlantic-bonito, european-seabass, bluefin-tuna, atlantic-mackerel, comber, european-squid, horse-mackerel, black-scorpionfish

[object Object] — Protected here — release immediately

Bite windows

Moon
Waning Crescent · 14% lit
Solunar day rating
50 / 100

Best months for Viana do Castelo Portugal:

JanFebMarAprMayJunJulAugSepOctNovDec

Score history at this spot

30 days tracked at this exact location

Best recent day: 2026-08-12, 97/100

26 day(s) at 70+ in the tracked period

About this spot

Water type
Sea

Open coastal saltwater — conditions and safety depend heavily on the live wind, wave, and tide forecast, so check them before you head out.

Approximate bottom depth: 6 m

Access & shore

Fishable from shore · offshore-only

What you can catch

Best months by species at Viana do Castelo Portugal

Atlantic Bluefin TunaThunnus thynnus
Atlantic BonitoSarda sarda
European SeabassDicentrarchus labrax
Atlantic MackerelScomber scombrus

Typical months; local seasons and closures apply.

Local regulations

Portugal
SpeciesBag limitMin sizeOpen season
European SeabassRegulation (EU) 2019/1241, Annex VII, Part Amin 36 cm
EU minimum conservation reference size in South Western Waters is 36 cm (Regulation (EU) 2019/1241, Annex VII, Part A). All Portuguese waters fall in this zone: the mainland is ICES division 9a, the Azores are sub-area 10 and Madeira is CECAF 34.1.2. DGRM may set stricter national measures and recreational daily limits. Verify current limits with DGRM before fishing.

Licensing:

  • saltwater-recreational — residents A recreational ("lúdica") fishing licence from DGRM is mandatory. Separate categories for shore ("apeada"), on-board ("embarcada") and underwater ("submarina") fishing, with daily/monthly/annual options. Obtain it via the Balcão Eletrónico do Mar (bmar.pt)., non-residents Non-residents need the same DGRM recreational licence; apply online via the Portal BMar (bmar.pt).

Some rules may have changed since our last verification — always confirm with the authority before you fish.

Check Viana do Castelo Portugal before you go

Live scores update through the day. Get the full forecast, bite windows, and your own saved spots in the FishRadar app.

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Nearby spots

Explore 10 more fishing spots within 1716 km of Viana do Castelo Portugal.

Frequently asked questions

What fish can you catch at Viana do Castelo Portugal?

Anglers at Viana do Castelo Portugal target Atlantic Bluefin Tuna, Atlantic Bonito, European Seabass and Atlantic Mackerel.

When is the best time to fish Viana do Castelo Portugal?

The most productive months at Viana do Castelo Portugal are typically June, July, August, September, October.

What is the fishing forecast for Viana do Castelo Portugal right now?

Viana do Castelo Portugal currently scores 93 out of 100, based on live ocean and weather conditions — see the full breakdown on this page.

Can you fish Viana do Castelo Portugal from shore?

Yes — Viana do Castelo Portugal is fishable from shore (offshore-only).

Is the thermocline set up at Viana do Castelo Portugal right now?

Not strongly right now — the water column is fairly mixed, so fish are less depth-locked.

How deep is the water at Viana do Castelo Portugal?

The scored point sits over roughly 6 m of water. Depth shapes which species hold here and how the thermocline forms.

Fishing guides for this spot

Forecasts, not guarantees — check local rules before you fish.