Žirje spearfishing forecast — wind, swell, visibility, tides & live cameras

Žirje · Croatia
8.3
wave 0.2 m
visibility6m

Dive todaywave, wind and visibility.

Sources: IPMA · NDBC · Copernicushigh confidence · data 06:52

Sources & confidence

Sources
IPMA · NDBC buoys · Copernicus Marine
Method
Model consensus, read per window
Freshness
Re-read every hour, per coast

Compiled by the spearo sea-state engine

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.

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.
Wind & gusts
Speed and gusts, hour by hour — wind speed and an onshore push chop the surface and cut visibility.
Tide phase
Timing and range of the tide, calibrated per coast — big spring tides pull the verdict toward caution.
Water temperature
Sea-surface temperature — sharply cold water vetoes a green verdict.
Currents & outflow
Direction and drift of the current — it pushes you, and it drags turbid coastal water across where you dive.
Rain runoff & air clarity
Rain muddies the water inshore through land runoff, while fog and haze cut visibility at the surface.
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 — forced red; the window is closed after dark.

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.

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
calmupdated 06:52
Žirje — solo, off the rocks
BEST WINDOW
best weather window · solo, stay careful, run the checklist · calm conditions: swell, wind and visibility all normal
wave 0.2 mwind 11 km/hvisibility ~8 mwindow 06:00–21:00
today, best window 09:00–12:00
fish · Visibility 8 m · Water 25.1°C
confidence high · verdict for the selected day
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.

Thursday · today2026-07-23
05:3720:30 · first quarter
03:00 14:00 · 0.3 m
Hours (06→20)
06
09
12
15
18
Day's trends
Tide-0.58 m
Wave0.18 m
Wind11 km/h
Water25 °C
fish activity: moonset 00:15 · moderate · moon underfoot 08:00 · high · moonrise 15:55 · moderate · moon overhead 20:20 · high
Conditions window06:00–09:00
caution — solo off the rocks is risky, check on site fish
Hs 0.28 mperiod 2.6 swind 12→21surge 0viz 6 m
0.28 mup to ~0.56 · 356° at an angle
2.6 sswell moderate
12→21gusts 21 km/h
0weak surge
0.28m/s
6 mrecent swell
24.9°C5 mm + hood
▲14:00tide rising
Atmosphere43 kmlandmarks visible
highmoon underfoot
  • calm conditions: swell, wind and visibility all normal
  • forecast models disagree (on wave, wind) — lower confidence in this window
  • dawn/dusk
confidence lowtwilight
Open the seafloor map with entry points

Your best window — with you. Forecast in your pocket.

Android: the public release is in Google Play review — leave your email and we'll send beta access today.

Android beta — QR code
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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: 1152 spots across 189 stretches of coast — mainland Portugal, Madeira and the Azores.

See all spots
−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
Otočići Kakan / Bisaga (Kaprije)Žirje
borderline
in the headland's lee today — swell from the quarter/behind
window
tide
shelter
hazard
access

cluster of islets; dentex, black bream.

Google Maps
Pličina BlitvenicaŽirje
borderline
in the headland's lee today — swell from the quarter/behind
window
tide
shelter
hazard
access

isolated offshore reef; dentex, amberjack, bonito.

Google Maps
Rt Gradina (JZ)Žirje
borderline
in the headland's lee today — swell from the quarter/behind
window
tide
shelter
hazard
access

rocky cape, current on the point; dentex, dusky grouper, amberjack.

Google Maps

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.

Android: the public release is in Google Play review — leave your email and we'll send beta access today.

Android beta — QR code
point your camera

Surfacing

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

Live cameras, map & reference
Open the seafloor map →
Reference

What's in season,
what the law says.

In season now
  • common dentex
    Dentex dentex · 12–40 m ·
  • gilthead seabream
    Sparus aurata · 2–20 m ·
  • European seabass
    Dicentrarchus labrax · 0–15 m ·
  • white seabream
    Diplodus sargus · 0–12 m ·
  • striped seabream
    Lithognathus mormyrus · 2–20 m ·
off season: dusky grouper (Jan Feb Mar Apr May Jun Sep Oct Nov Dec)
Law
  • Fan mussel (Pinna nobilis) — strictly protected, taking/disturbing prohibited (mass die-off from a pathogen).
  • Date mussel (Lithophaga lithophaga) — harvesting strictly banned (destroys the reef).
  • Seahorses (Hippocampus), loggerhead turtle (Caretta caretta) and monk seal (Monachus monachus) — protected, taking/disturbing prohibited.
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 · Žirje

Spearfishing in Žirje: spots, seasons and rules

Updated 2026-07-09 · By Oleksandr, spearfisher

Žirje is an exposed-edge plan. Kakan / Bisaga near Kaprije is a cluster of islets, listed for dentex and black bream. Rt Gradina on the southwest side is a rocky cape with current, listed for dentex, dusky grouper and amberjack. Pličina Blitvenica is an isolated offshore reef, listed for dentex, amberjack and bonito. Access and numeric depths are not described, and all three rows are medium with a yellow safety rating. Blitvenica should be treated as the strictest weather window, not as a fallback.

TL;DR

  • Žirje has three exposed shapes: Kakan/Bisaga islets, Rt Gradina and the Blitvenica offshore shoal.
  • Rt Gradina lists dusky grouper, so the 1 July to 31 August closure matters.
  • The bad sector is 120-240 degrees, with south around 180 degrees the worst direction.

What are the Žirje spearfishing spots?

The spots move from islets to current cape to offshore reef. That change in exposure is the practical structure of the plan.

SpotTypeDepthLevelAccessNotes
Otočići Kakan / Bisaga (Kaprije)Cluster of isletsNo numeric depthMedium; yellow safety ratingNot describedDentex and black bream. Keep the return route and marker buoy obvious.
Rt Gradina (JZ)Rocky cape with currentNo numeric depthMedium; yellow safety ratingNot describedDentex, dusky grouper and amberjack. Grouper is closed from 1 July to 31 August.
Pličina BlitvenicaIsolated offshore reefNo numeric depthMedium; yellow safety ratingNot describedDentex, amberjack and bonito. Treat it as the most exposed row.

What conditions and rules control Žirje?

The local aspect is about 210 degrees, with a bad sector of 120-240 degrees and the worst direction around 180 degrees. No webcam, river plume or nearby buoy is listed, so the sea check has to be conservative. Under NN 48/2026, Croatian speargun fishing requires the sport sea-fishing licence; the ordinary recreational licence does not cover it. It is breath-hold only, daylight only, minimum age 16, with a marker buoy and no more than two spearguns per diver. Dusky grouper is closed from 1 July to 31 August and limited to one specimen outside the closure.

FAQ

Is Blitvenica a shore spot?

No. It is described as an isolated offshore reef.

What fish are listed at Rt Gradina?

Dentex, dusky grouper and amberjack are listed for the current-swept cape.

What is the worst direction?

Around 180 degrees, inside the 120-240 degree bad sector.

Are access details given?

No. Access is not described for the Žirje rows.

What licence is needed?

A sport sea-fishing licence is required for spearguns; an ordinary recreational licence is not enough.

Sources

Nearby towns

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