- window
- tide
- shelter
- hazard
- access
Sheltered reef and kelp in the historic bay; 3–10 m, crayfish, abalone, wrasse. Easy entry, clear cold water.
Google MapsToday — sit it out — wave, wind and surge pounding. 💧 Water looks set to clear by Monday (~4d) — tentative
Sources & confidence
Compiled by the spearo sea-state engine
The verdict comes from seven water factors and hard safety gates — not ten tabs. Go or stay.
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.
Safety gates
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
Wind, wave and the swell windows — when to go and the best hours.
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.
Visibility and what drives it — post-storm clearing, river plume, temperature and the thermocline.
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 spotsRelief and bottom type, tides, and the depths of each spot.
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.
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 mapSheltered reef and kelp in the historic bay; 3–10 m, crayfish, abalone, wrasse. Easy entry, clear cold water.
Google MapsReef points at the S end of the ocean beach; 3–10 m, crayfish, abalone. Exposed to Southern Ocean swell — calm days only.
Google MapsDeep kelp reef under the sea cliffs; 5–15 m, crayfish, abalone, bastard trumpeter. Walk-in from Grass Point, advanced.
Google MapsSOLO 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.
Cameras, map and reference — to hand as you come up.
Rules change and vary BY STATE. Before heading out, check with your state's fisheries (NSW DPI, Fisheries QLD, VFA, DPIRD WA, PIRSA, NRE Tas, NT Fisheries) and the marine-park zoning map.
Spearfishing around Bruny Island is cold-water judgment rather than a long reef catalogue. Adventure Bay is the easy first read, with sheltered reef and kelp in 3-10 m. Cloudy Bay is a south-end ocean beach option that only works on calm Southern Ocean days. Fluted Cape from Grass Point is deeper, steeper and more advanced, with kelp reef under sea cliffs. No marine reserve covers these three entries, but NRE rules still decide species, gear and area limits.
Pick the entry that matches the sea, not the one that sounds most adventurous. Bruny has sheltered and exposed water within a short drive.
| Spot | Type | Depth | Level | Access | Notes |
|---|---|---|---|---|---|
| Adventure Bay | Sheltered reef and kelp inside the historic bay | 3-10 m | Best first check | Easy shore entry when wind and boat traffic are manageable | Wrasse, crayfish and abalone habitat are listed. For spearfishing, focus on legal fish and leave lobster to non-spear methods. |
| Cloudy Bay | Reef points at the south end of the ocean beach | 3-10 m | Intermediate to advanced | Beach and point access only on a calm Southern Ocean forecast | Expect Southern Ocean exposure. It is a weather-window spot, not a fallback. |
| Fluted Cape (Grass Point) | Deep kelp reef below sea cliffs | 5-15 m | Advanced walk-in | Walk from Grass Point and keep enough energy for the return | Bastard trumpeter habitat is noted. Depth, cliffs and kelp make this a disciplined buddy dive. |
The local aspect is around 110 degrees, with the bad sector from north-east through south. Even a modest east or south-east swell can push into kelp and hide exits. Adventure Bay earns first look because it is sheltered compared with Cloudy Bay and Fluted Cape.
Australian state-by-state rules say Tasmania does not have a general recreational fishing licence like NSW or Victoria. That is not permission to ignore NRE rules. Area closures, size and possession limits, and gear restrictions remain.
These reefs can hold wrasse and bastard trumpeter as fish, with crayfish and abalone in the habitat. A spear plan should centre on legal fish. Rock lobster is not a spear target, and protected seadragons and listed sharks are no-take.
Start at Adventure Bay if you want a conservative read on visibility and temperature. Use Cloudy Bay only when the ocean beach is genuinely settled. Save Fluted Cape for a fit team because the walk, cliffs, deeper kelp and current add load.
There is no general Tasmanian recreational sea fishing licence under Australian state-by-state rules, but NRE rules still apply.
Adventure Bay is the sheltered first check.
No. It is exposed to Southern Ocean conditions.
No. Rock lobster may not be taken by spear.
No. It is an advanced walk-in with deeper kelp reef under cliffs.
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transparency ~7 m · satellite, yesterdaysatellite estimate · may differ right at the shore