Duino-Sistiana spearfishing forecast — wind, swell, visibility, tides & live cameras

spearo.app / Italy / Duino-Sistiana
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◈Duino-Sistiana · Italy
7.8
wave <0.1 m
visibility~2m

Cleartodive

Dive today — wave <, wind and visibility.

Sources: MeteoAlarm · buoys · Open-Meteo · Copernicus · Sentinel-2 — high confidence · data 03:49

Sources & confidence

Sources
MeteoAlarm · buoys · Open-Meteo · Copernicus · Sentinel-2
Method
spearo sea-state engine: consensus of up to 6 models + satellite clarity (ZSD) + buoy-bias checks
Freshness
Re-read every hour, per coast

Compiled by the spearo sea-state engine · How it works →

The verdict comes from seven water factors and hard safety gates — not ten tabs. Go or stay.

How we score the water

Our own model

Our own forecast engine — not a third-party widget. It weighs these water factors into one go-or-stay verdict for this coast; the 0–10 dial is that verdict, read out as a number.

01
Swell & wave memory
Height, period and direction of the swell, plus the wake of recent storms — an old storm still stirs the water, and the engine remembers.
02
Wind & gusts
Speed and gusts, hour by hour — wind speed and an onshore push chop the surface and cut visibility.
03
Tide phase
Timing and range of the tide, calibrated per coast — big spring tides pull the verdict toward caution.
04
Water temperature
Sea-surface temperature — sharply cold water vetoes a green verdict.
05
Currents & outflow
Direction and drift of the current — it pushes you, and it drags turbid coastal water across where you dive.
06
Rain runoff & air clarity
Rain muddies the water inshore through land runoff, while fog and haze cut visibility at the surface.
07
Coast shape & exposure
How the coast faces the swell — a sheltered cove keeps the water clean; an exposed, head-on point takes a penalty.

Safety gates

  • Thunderstorm forecast — an instant red, no exceptions.
  • An official warning (MeteoAlarm / IPMA) — yellow, or red for the higher ranks.
  • Missing input data — a would-be green is capped to yellow rather than overstated.
  • Strong disagreement between forecast models — a green day is pulled back to yellow.
  • Night hours — where night spearfishing is banned by law the window is forced red; where it is legal (Australia outside NSW, New Zealand, South Africa) it is capped at yellow, never green.

It all folds into a single 0–10 score and one verdict: go or stay.

A forecast, not a guarantee — the sea has the last word.

Entry pointsNo-take zonesLive cams

Where to get in, where to hunt

Entry points with coordinates
Seabed relief — promising ground

This verdict — in your pocket. Open the app for the week's window.

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0 m

Surface

Wind, wave and the swell windows — when to go and the best hours.

spearo.app
MeteoAlarm no dataupdated 03:49
Duino-Sistiana — solo, off the rocks
BEST WINDOW
best weather window · solo, stay careful, run the checklist · calm conditions: swell, wind and visibility all normal
wave <0.1 mwind 5 km/hvisibility ~2 mwindow 06:00–21:00
today, best window 15:00–18:00
fish · Visibility 2 m · Water 19.2°C
confidence high · verdict for the selected day
Before entering, check the camera and the surge
Whole week — tap a day. is driving swell right now.
›
Solo risk: carry a float · tell someone your plan and exit time · doubt = don't go. A model-based planner; the call is made on site.
Selected day

Windows, hours
and the day's trends.

The day is picked above, in the hero. Here are that day's windows, the hour-by-hour map and the trends. Tap a window to break down the conditions.

Sunday · today2026-10-25
07:35–18:03 · full moon
▼ 03:00▲ 09:00▼ 16:00▲ 22:00 · 1.2 m
Hours (06→20)
06
09
12
15
18
Day's trends
Tide-0.13 m
Wave0.02 m
Wind11 km/h
Water19 °C
fish activity: moonset 06:40 · moderate · moon underfoot 12:00 · high · moonrise 17:19 · moderate · moon overhead 00:00 · high
Conditions window06:00–09:00
caution — solo off the rocks is risky, check on site fish
Hs 0.04 m · calmperiod 1.6 swind 7→9surge 0viz 3 m
0.04 mcalm · up to ~0.08 · 56° at an angle
1.6 sswell moderate
7→9gusts 9 km/h
0weak surge
0.00m/s
3 msatellite: murky water
19.2°C5 mm + hood
▲09:00tide turn near
Atmosphere38 kmlandmarks visible
moderatemoonset
  • spring tide near high water
  • flood toward high water
confidence hightwilight
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spearo.app · a private marine instrument · Duino-Sistiana · a planner, not a safety guaranteePrivacy
Today
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Map
Best window · next 3 days
gotomorrow · 15:00–18:00
you can see ~4 m ahead fish

transparency ~6 m · satellite, 2 days agosatellite estimate · may differ right at the shore

↑ high tide 08:46 · slack water ~08:01–09:31 bite times: 11:00–13:00 · 16:49–17:49

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−10 m

The water column

Visibility and what drives it — post-storm clearing, river plume, temperature and the thermocline.

What it is

A marine instrument,
go / no-go for solo hunting.

spearo.app folds wind, wave, swell period, visibility, tides, water temperature and risk into a single verdict — go to the spot or not. It computes 7 days ahead from open marine models (Open-Meteo, IPMA), with no sign-up and no accounts. Built for solo spearfishing off the rocks, where any mistake costs dearly.

Now live: 3016 spots across 406 stretches of coast — mainland Portugal, Madeira and the Azores.

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−20 m

The seabed

Relief and bottom type, tides, and the depths of each spot.

On the rock

The forecast is the plan.
The call is on the rock.

The models set the window. Whether you go in is read only at the water: count the sets, watch the surge on the entry. If in doubt, you don't get in.

Entry points

Where to get in
off the rocks.

Scouted entries, coloured by today. The colour is the sea state at the spot, not a guarantee: the wash and a slippery entry you judge on site.

Open the seafloor map →
Baia di SistianaDuino-Sistiana
borderline
swell on the quarter today (city-level)
window
Every session has to be marked at the surface: without a marker you are not in order, quite apart from not being seen. On a shore oriented at 300° the usable light ends before the legal hour, which stays the hour of the sun. Italian law is the same everywhere; it is the local command that applies it. At Duino-Sistiana a short legal window beats a long questionable one.
tide
If anything changes the level at Duino-Sistiana, it is pressure and wind, not the moon. The Gulf of Trieste is the Italian exception: the range reaches about 0.8 m at springs and stays around 0.3 m at neaps. The ten-metre line, 690 m offshore, does not move with the level: it moves with the swell. In a channel it is the current that decides the route: plan it before getting in.
shelter
In Ponente or Tramontana the swell arrives across and you can still work by staying tight to the rock. In a bay like this the shelter is a few tens of metres wide, tucked against the windward point rather than in the middle of the arc, and in a hard Maestrale not even that. If the swell starts working inside the 420 m of coastal strip, the session is over. The 690 m that separate the shore from ten metres of water tell you how much sea it takes to ruin the day.
conditions
The survey puts ten metres about 690 m from the shore and nothing deeper anywhere nearby. The bottom here is measured and not narrated: the contours come from the EMODnet survey. Past 690 m from the shore it is the water that decides the day and not the willingness. The best water nearly always arrives from offshore on a light Scirocco.
hazard
Marked set nets are left alone: getting caught in a net on breath-hold is the most dangerous thing in the whole day. With Maestrale into the mouth of the bay the water leaves through the middle and comes back along the sides: keep it in mind for the return. At 30 m from the shore no emergency sorts itself out: come out at the first sign. Keep in mind the 30 m that separate you from the coast when you decide on the last descent.
access
The first 420 m are the murkiest, and after them the bottom starts to read. At Duino-Sistiana the entry at the head of the cove is the one that holds up best even in a made-up sea. Whoever gets in first tells the others what they found. Do not leave your gear where the swell can take it.

Sheltered rock-sand bay; the offshore Bora clears the water. Northern Adriatic tide is active here.

Google Maps
Canovella degli ZoppoliDuino-Sistiana
borderline
swell on the quarter today (city-level)
window
With Libeccio in the forecast the useful window shortens by itself, long before sunset. A hundred metres is the minimum from fixed fishing installations and from vessels anchored outside harbours. A shore oriented at 210° loses the sun before sunset: take it into account for the last descent. At Duino-Sistiana it is better to know the prohibition than to discover it from a fine.
tide
In the northern Adriatic the tidal wave amplifies: what is noise elsewhere is a good half metre at Duino-Sistiana. The level barely moves: the 10 m contour stays 430 m from the shore at any hour of the day. With Libeccio strengthening the inshore current picks up before the swell does. In narrow channels the current accelerates even on the smallest range.
shelter
The good sector is the one opposite the opening: from the northeast the water stays still even in a steady blow. The bay works like a funnel: with the swell in the mouth the water inside dirties, and it stays dirty after the wind has dropped. With the wind from the northeast at your back you can work; with the swell from the southwest in your face you look and go home. When the swell gets in, the whole coastal strip, 260 m wide here, lifts and the clarity goes.
conditions
On flat, shallow ground it is the structure that counts and not the depth. With 15 m reached about 4100 m out, the limit of the day is set by your breath and not by the distance. In poor visibility keep your own float in sight at all times. After three calm days the water at Duino-Sistiana is a different water.
hazard
The mouth of the bay is where the swell concentrates and where getting back becomes difficult. On the shoreline at Duino-Sistiana the same national rules apply without discounts: breath-hold, daylight, marker in sight. With Libeccio building, the window shuts sooner than the forecast says. A day given up is never a mistake.
access
The entry off the beach is the most comfortable and the murkiest: it pays to cross the dirty band straight away. With the shore 10 m away and five metres of water at 260 m, the band to cross is a short one. In a hard Libeccio the windward exit becomes unusable: check an alternative. At Duino-Sistiana the best place is the one you can leave without hurrying.

Rocky Trieste-Karst cove, fishermen's path; sea bream and sea bass, stepped bottom.

🔒 Dama BiancaDuino-Sistiana
borderline
Ultra · subscribers
swell on the quarter today (city-level)
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🔒 Falesie di AurisinaDuino-Sistiana
borderline
Pro · subscribers
swell on the quarter today (city-level)
window
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The full spot briefing is part of the subscription: entry, bottom, hazards, tide window.

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Falesie di DuinoDuino-Sistiana
borderline
swell on the quarter today (city-level)
window
The 500 m from used beaches is measured from the water's edge, and here the shore is 40 m from the mark: in bathing season do the arithmetic before getting in. National law sets the perimeter; the local Capitaneria orders can tighten it. Note the hour you will come out before you get in: from 40 m of shore the way back always looks shorter than it is. At Duino-Sistiana in summer the bathing strip changes the usable distances completely.
tide
In the bora the level drops and in the sirocco it rises: the wind surge adds itself to the astronomical range. Between the shore and five metres of water there are 410 m, and no tide shifts that line appreciably. The way back, 410 m to the five-metre band, is decided beforehand and not on the way. At Duino-Sistiana the local currents depend more on the shape of the bottom than on the hour.
shelter
Under a cliff the offshore wind passes over your head and the water stays smooth, but the long swell arrives all the same. With an exposure of 213° the awkward sector runs from south to west, and outside it the day is usually saved. If you get in as Libeccio is easing, remember the sea stays up a day longer than the wind. At Duino-Sistiana the old rule holds: watch the sea for ten minutes, then decide.
conditions
The strip under the shore is the last to clear; the clean part starts where the bottom breaks away. Shallow by structure: 15 m is the deepest level reachable here, about 5600 m from the shore. By 970 m from the shore you already know whether it is worth going on. At Duino-Sistiana it pays to come out feeling you stopped early.
hazard
The marker has to follow you even when you are working 970 m from the shore: 50 m from the vertical below it is the legal maximum. Under a wall there is no sideways escape: if the swell builds you come out where you went in or nowhere. A phone in a dry bag is worth more than any piece of kit. At Duino-Sistiana floating lines are seen late: keep an eye above you as well.
access
The distance from the shore, 40 m, is minimal: the limit is set by the sea and not by the route. Off a high wall the exit is a single point: remember that before you go any distance. If you do not fancy swimming the 970 m back from ten metres of water, do not go any further out. At Duino-Sistiana many accesses cross private property: if it is signed, look for another one.

The only true rocky coast of the upper Adriatic; limestone cliffs in the very clear Gulf of Trieste water.

🔒 Relitto della Costa dei BarbariDuino-Sistiana
borderline
Pro · subscribers
swell on the quarter today (city-level)
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The full spot briefing is part of the subscription: entry, bottom, hazards, tide window.

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SOLO is the biggest risk: underwater you can black out from lack of oxygen silently and fatally, with no one around. Solo is never truly «safe». Below are the best weather windows; carry a buoy, tell someone your plan and exit time, and any doubt — don't go.

One morning glance — and you know.

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≈

Surfacing

Cameras, map and reference — to hand as you come up.

Live cameras, map & reference
Cameras · live

Look at the water
right now.

Check the cam BEFORE you leave. Foam, brown/green murk, or waves washing the entry rocks = No-go. At night/in fog the cam is useless — treat it as «unknown», NOT «green».

connecting to the stream…
● LIVE↗
Aurisina: Webcam BellaRiva restaurant | Trieste coast - view to Miramare castleWindy webcam (Aurisina: Webcam BellaRiva restaurant | Trieste coast - view to Miramare castle) — official webcams.windy.com player, plays inline. Read the water and surf before you go.camera: windy ↗Webcams provided by windy.com - add new webcam
connecting to the stream…
● LIVE↗
Monfalcone: Marina diWindy webcam (Monfalcone: Marina di) — official webcams.windy.com player, plays inline. Read the water and surf before you go.camera: windy ↗Webcams provided by windy.com - add new webcam
Open the seafloor map →
Reference

What's in season,
what the law says.

In season now
  • European seabass
    <4 m · — · dawn/dusk
    min. 25 cm · legal target
  • Gilthead seabream
    1–4 m · over sand/weed · dawn
    min. 20 cm · legal target
  • White seabream
    1–5 m · in the surf on the reef · dawn
    min. 23 cm · legal target
  • Two-banded seabream
    1–8 m · — · dawn
    min. 18 cm · legal target
  • Sharpsnout seabream
    2–10 m · — · dawn
    min. 18 cm · legal target
  • Annular seabream
    0–5 m · — · daytime
    min. 12 cm · legal target
  • Common dentex
    min. 15 cm · Sardinia 30 cm · legal target
  • Red porgy
    min. 18 cm · legal target
  • Common pandora
    min. 18 cm · Sardinia 20 cm · legal target
  • Axillary seabream
    min. 15 cm · Sardinia 18 cm · legal target
  • Blackspot seabream
    min. 33 cm · legal target
  • Striped seabream
    0–5 m · — · dawn
    min. 20 cm · legal target
  • Black seabream
    2–6 m · — · —
    min. 15 cm · legal target
  • Bogue
    min. 15 cm · legal target
  • Salema
    0–2 m · — · daytime
    min. 15 cm · legal target
  • Dusky grouper
    5–40 m · — · daytime
    min. 45 cm · RESTRICTED · max 1 grouper/day; BANNED in Sardegna & MPAs
  • Wreckfish
    min. 45 cm · RESTRICTED · max 1 grouper/day; BANNED in Sardegna & MPAs
  • Brown meagre
    2–15 m · — · twilight
    min. 20 cm · RESTRICTED · protected in several MPAs · (verify against the norm in force)
  • Greater amberjack
    min. 15 cm · Sardinia 60 cm · legal target · (verify against the norm in force)
  • Leerfish
    min. 15 cm · Sardinia 60 cm · legal target
  • Grey mullet
    0–2 m · — · —
    min. 20 cm · Sardinia 25 cm · legal target
  • Red scorpionfish
    3–20 m · — · daytime
    min. 15 cm · legal target
  • Moray eel
    1–15 m · — · twilight
    min. 25 cm · Sardinia 60 cm · legal target
  • European conger
    2–25 m · — · night
    min. 25 cm · Sardinia 50 cm · legal target
  • Wrasse
    min. 15 cm · legal target
  • Red mullet
    min. 11 cm · legal target
  • Atlantic bonito
    min. 25 cm · legal target
  • Common octopus
    1–6 m · — · twilight
    min. 450 g · legal target
  • Cuttlefish
    legal target · (verify against the norm in force)
Law
  • ✓NO paid licence, but a free MASAF REGISTRATION is mandatory (recreational sea-fishing declaration, online via SIAN/SPID, annual) — it is not a «licence».
  • ✓Free-diving only: scuba/rebreather/hookah BANNED (art. 128-bis DPR 1639/68). The 16+ rule comes from a different act — D.Lgs 4/2012, art. 6 c. 5; handing a speargun to an under-16 is an offence (art. 13-octies c. 3 b, as replaced by L. 75/2026).
  • ✓Night prohibited: spearfishing only from dawn to sunset (art. 129e DPR 1639/68).
  • ✓Distances (art. 129 DPR 1639/68): ≥500 m from beaches with bathers; ≥100 m from fixed gear/set nets and from vessels anchored outside ports.
  • ✓Buoy MANDATORY (art. 130 DPR 1639/68): float with a red flag bearing a white diagonal stripe, visible ≥300 m; the diver stays within 50 m of the buoy/support boat.
  • ✓The speargun may not be kept armed out of the water (art. 131 DPR 1639/68) — load only when submerged.
  • ✓The spearfisher may NOT gather corals, crustaceans or molluscs — the second paragraph of the same article (art. 128-bis DPR 1639/68; the same rule in D.M. 249/1987, art. 2). BUT cephalopods are EXCLUDED: octopus, cuttlefish and squid may be taken — the exception is kept in terms by the official guidance (circolare 6227201 of 23.07.1987). Mussels — up to 3 kg per person per day, but only with the Capo del Compartimento Marittimo's authorisation. The 5 kg daily cap counts EVERYTHING taken that day (D.Lgs 4/2012, art. 13-octies c. 4, as replaced by L. 75/2026).
  • ✓You MAY carry a speargun and a breathing apparatus on the same boat — but at most ONE cylinder of up to 10 L per vessel, and using it to fish is prohibited (art. 128-ter DPR 1639/68). While you are down, at least one person must stay aboard ready to intervene, and there must be a rope long enough to recover the diver.
  • ✓Sale of recreational catch is PROHIBITED (EU control regime, Reg. CE 1224/2009).
  • ✓The 5 kg/person daily cap IS in force and carries a fine: €500–3 000 up to 10 kg, €2 000–12 000 up to 50 kg, €12 000–50 000 above (D.Lgs 4/2012, art. 13-octies c. 4, as replaced by Law 21 Apr 2026 no. 75). Exception: a single fish heavier than 5 kg. Recovery-plan species and bluefin tuna: +1/3 (c. 5).
  • ⛔ Date mussels (Lithophaga lithophaga) — TOTAL BAN: fishing, possession, transport, sale (D.M. 16/10/1998; EU-protected). Never touch.
Safety protocol
  • Sets: watch the wave trains ≥15 min before entering; Hmax ≈ 2×Hs, the wash can run 50 m past the foam line. A lull >10 min with period >12 s = a big set «overdue», do NOT enter; enter right after a full set passes and re-check at minute 30.
  • Exit FIRST: find your exit AND a backup before entering. On a rocky/boulder shore a 0.5 m rise in swell can make the exit impossible — getting pinned/unable to climb out is the main killer.
  • Headland rip: prominent points often have a permanent topographic rip regardless of the model — locate it, enter/exit on the windward side, never swim against it.
  • Cold: wetsuit per the SST chip; the first shiver = a metabolic surge and a drop in breath-hold → get out at the first steady shiver. Cap the session at 45–60 min below 15 °C.
  • Solo discipline: buoy up; tell someone the spot and exit time; conservative breath-hold (never push it in cold/murky/surfy water); visibility <3 m — don't enter.
  • Afternoon wind: on many coasts the wind builds from midday — plan to be out of the water by midday; the chop builds — get out.
  • UV 11:00–15:00 (UVI ≥6): sunscreen and cover up on the surface interval.
  • Solo is a fundamental risk (hypoxic blackout with no buddy). Any doubt = No-go.
Local guide · Duino-Sistiana

Spearfishing in Duino-Sistiana: spots, seasons and rules

Updated 2026-07-09 · By Oleksandr, spearfisher

Spearfishing in Duino-Sistiana is different from most Italian west-coast entries. The local note calls the Duino cliffs the only true rocky coast of the upper Adriatic, with limestone and very clear Gulf of Trieste water. Sistiana adds rock-sand shelter, offshore Bora cleaning and active northern Adriatic tide. The coast faces 200 degrees, with 155-245 degrees as the bad sector.

TL;DR

  • Duino-Sistiana is the upper-Adriatic outlier: limestone cliffs, Gulf of Trieste water and an active northern Adriatic tide.
  • The coast faces 200 degrees. The bad sector is 155-245 degrees, with 215 degrees the worst direction.
  • Italy requires free MASAF/SIAN registration, freediving only, daylight only, buoy, 500 m from bathers, 100 m from nets and about 5 kg daily catch.

Where can you spearfish in Duino-Sistiana?

All three are yellow, medium solo-severity shore entries and are not marked protected in the city entry.

SpotTypeDepthLevelAccessNotes
Falesie di DuinoLimestone cliffs on the Gulf of TriesteRock wall; no number listedIntermediate; verify sea state in personShore entry along Duino coastListed as the only true rocky coast of the upper Adriatic, with very clear water.
Baia di SistianaSheltered rock-sand bayRock and sand; no numeric depthIntermediate; read tide and boatsShore entry in the bayOffshore Bora can clear the water; northern Adriatic tide is active.
Canovella degli ZoppoliRocky Trieste-Karst coveStepped bottomIntermediate via fishermen's pathFishermen's path, then shore entrySea bream and sea bass on stepped ground.

When are conditions worth it in Duino-Sistiana?

Avoid the 155-245 degree sector, especially around 215 degrees. Offshore Bora can improve Sistiana visibility, but it does not remove current, return-route or buoy discipline. Unlike many Mediterranean entries, northern Adriatic tide is active here and should be part of the timing.

Fossacesia
  • Vasto
  • Tuscany

    • Viareggio
    • Marina di Pisa
    • Livorno Calafuria
    • Castiglioncello
    • Piombino-Baratti
    • Punta Ala
    • Monte Argentario
    • Isola d'Elba Sud
    • Isola d'Elba Ovest
    • Isola del Giglio

    Liguria

    • Lerici-Tellaro
    • Moneglia-Framura
    • Sestri Levante
    • Genova Nervi
    • Genova Voltri
    • Arenzano
    • Varazze
    • Noli-Varigotti

    Lazio

    • Civitavecchia
    • Ladispoli
    • Fiumicino

    Apulia

    • Vieste

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  • ⛔ Sturgeon (Acipenser sturio / naccarii) — capture BANNED (D.M. 3/5/89, D.M. 11/6/07).
  • ⛔ Dusky grouper (Epinephelus marginatus) — 45 cm, max 1 grouper/day (art.142 D.P.R.1639/68, amended by L.154/2016); fully BANNED in Sardegna & ALL .
  • ⛔ Bluefin tuna (Thunnus thynnus) — MASAF RecFishing authorization only: season 16 Jun–14 Oct, 1 fish/outing, min 30 kg / 115 cm.
  • ⛔ Swordfish (Xiphias gladius) — min 100 cm; seasonal closures, RecFishing declaration required.
  • Rules change. Before heading out, check with MASAF (registration) and the Guardia Costiera / Capitaneria di Porto; Sicily and Sardegna add regional tightening.

    FAQ

    Do you need a license in Duino-Sistiana?

    No paid license, but the free MASAF declaration via SIAN/SPID is mandatory.

    Is the tide relevant here?

    Yes. The Duino-Sistiana is Duino-Sistiana as northern Adriatic, with active tide.

    Is scuba spearfishing allowed?

    No. Italian spearfishing is freediving only, from age 16.

    How far from bathers and nets?

    Stay 500 m from beaches with bathers and 100 m from fixed gear, set nets and anchored vessels outside ports.

    Can you spearfish at night?

    No. Spearfishing is limited to dawn through sunset.

    Sources

    • MASAF, recreational sea-fishing declaration
    • MASAF, Presidential Decree 2 October 1968 no. 1639
    • EUR-Lex, Council Regulation (EC) no. 1224/2009

    Nearby towns

    • Trieste conditions today
    • Spearfishing in Gabicce Monte
    • Spearfishing in Castiglioncello
    • Moneglia-Framura: forecast and spots
    • Spearfishing in Isola d'Elba Sud
    Data partners
    dive centres that send us real visibility readings
    Águas VivasMilfontes · Sagres