- window
- tide
- shelter
- hazard
- access
Shallow rocky bank in the bay; besugo, cabrilla. Exposed on extreme low tide. Slack only.
Google MapsToday — right on the edge — wave, wind and visibility.
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 mapShallow rocky bank in the bay; besugo, cabrilla. Exposed on extreme low tide. Slack only.
Google MapsBay restingas; salmón/mero/cabrilla. Town-level, coast-snap pending. Macro-tidal currents — slack only.
Google MapsCoastal restinga by the SAO town; rock 2–6 m with salmón/mero. Macro tide → slack. Town-level.
Google MapsBay restinga; salmón, mero, cabrilla, sargo. San Matías macro tide (~7 m) → **slack only**, strong currents.
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 are PROVINCIAL and vary. Before heading out, check with your province's authority (Chubut — free licence; Río Negro; Buenos Aires — Ciudadano Digital / Flora y Fauna); sea spearfishing is allowed, banned only in inland waters.
Spearfishing in San Antonio Oeste is a tide-table discipline. The Golfo San Matías can give clear, relatively mild water and rock for sea salmon, mero, besugo and cabrilla, but Bahía San Antonio has a huge tidal range. The ebb can expose kilometres of intertidal ground; the flood pushes hard through channels. This is Río Negro province, with Ley 5.706/2024 as the local frame: apnea only and no night diving.
These are bay-restinga spots. Judge them by current and return route, not by shore distance.
| Spot | Type | Depth | Level | Access | Notes |
|---|---|---|---|---|---|
| Restinga Bahía San Antonio | Bay rock reefs | Shallow to mid-depth | Intermediate | Shore entry timed for return | Sea salmon, mero and cabrilla are noted. Dive near slack. |
| Restinga Punta Delgada (Bahía San Antonio) | Rock point in the bay | Shallow to medium | Intermediate to advanced | Tide margin required | Sea salmon, mero, cabrilla and sargo appear, with strong macro-tide current. |
| Banco Reparo | Shallow rock bank | Very shallow on big ebbs | Local intermediate | Exposed on exceptional low tides | Besugo and cabrilla are mentioned. Not a place to chase a retreating tide. |
| Restinga Los Álamos | Coastal rock near town | 2-6 m in the local note | Intermediate | From SAO coast | Accessible rock for sea salmon and mero, still current-prone. |
Río Negro is the correct authority, not Chubut or Buenos Aires. Ley 5.706/2024 points to apnea-only spearfishing and no night diving. The main operational risk is the San Matías macro tide: banks dry, channels fill and the return can become a swim against heavy flow. Use a tide table, enter near slack and cut the session early if the water starts moving.
Bahía San Antonio restinga, Punta Delgada, Banco Reparo and Los Álamos.
Slack tide. Avoid mid-run macro tide.
Río Negro, under the local law and current provincial rules.
Sea salmon, mero, besugo, cabrilla and sargo.
Only with local help and small-current windows; the tide is serious.
Leave your email — and the moment a window opens at San Antonio Oeste, we'll send the go / no-go verdict. Email is all we need.
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