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

spearo.app / Ecuador / Manta
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◈Manta · Ecuador
5.3
visibility: 3 m
visibility~3m

Dayisover

Today — right on the edge.

Sources: Open-Meteo · Copernicus — high confidence · data 22:20

Sources & confidence

Sources
Open-Meteo · Copernicus
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 zones

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.

Download on theApp StoreGET IT ONGoogle Play
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point your camera
0 m

Surface

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

spearo.app
updated 22:20
Manta — solo, off the rocks
Day is over
That is it for today — the day's windows have closed.
Tomorrow, best window 09:00–12:00
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.

Saturday · today2026-10-24
06:03–18:11 · full moon
▲ 02:00▼ 08:00▲ 14:00▼ 20:00 · 2.0 m
Hours (06→20)
06
09
12
15
18
Day's trends
Tide0.71 m
Wave1.16 m
Wind6 km/h
Water29 °C
fish activity: moonset 04:35 · moderate · moon underfoot 10:50 · high · moonrise 17:00 · moderate · moon overhead 23:10 · high
Open the seafloor map with entry points →
Coming soon

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Leave your email — and the moment a window opens at Manta, we'll send the go / no-go verdict. Email is all we need.

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More spots

Spots in Ecuador

🇪🇨Ecuador

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spearo.app · a private marine instrument · Manta · a planner, not a safety guaranteePrivacy
Today
Notify me
Map
Best window · next 3 days
borderlinetomorrow · 09:00–12:00
you can see ~3 m ahead fish

ℹ️ Conservative visibility estimate kept

transparency ~24 m · satellite, 2 days agosatellite estimate · may differ right at the shore

bite times: 09:50–11:50 · 16:30–17:30

Tell me when it's on

Just your email — nothing else needed.

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

Download on theApp StoreGET IT ONGoogle Play
Google Play — QR code
point your camera
−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.

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 →
La Tiñosa / San Mateo (rocas)Manta
borderline
in the headland's lee today — swell from the quarter/behind
window
—
Google Maps
Santa MarianitaManta
borderline
in the headland's lee today — swell from the quarter/behind
window
—
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.

Download on theApp StoreGET IT ONGoogle Play
Google Play — 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
  • mahi-mahi
    Coryphaena hippurus · 0–30 m · ⚠️ closed season/limit
    ⚠️ Closed 1 Jul–7 Oct. Minimum size 80 cm (TL) — the only regulated size in Ecuador.
  • wahoo
    Acanthocybium solandri · 0–30 m · legal
  • yellowfin tuna
    Thunnus albacares · 0–40 m · legal
  • Pacific sierra
    Scomberomorus sierra · 0–20 m · legal
  • almaco jack
    Seriola rivoliana · 5–35 m · legal
  • snapper
    Lutjanus argentiventris · 3–30 m · legal
  • croaker
    Cynoscion spp. · 2–25 m · legal
  • snook
    Centropomus spp. · 0–15 m · legal
  • grouper
    Epinephelus / Mycteroperca spp. · 5–40 m · legal
    No national minimum size (verified:false). Slow-growing — set an ethical limit.
  • sand/rock bass
    Paralabrax spp. · 2–25 m · legal
  • pompano
    Trachinotus spp. · 0–15 m · legal
  • barracuda
    Sphyraena spp. · 0–25 m · legal
  • roosterfish
    Nematistius pectoralis · 0–15 m · legal
    Usually catch-and-release sport. No national size.
Law
  • ✓Authority: Viceministerio de Acuacultura y Pesca (Ministry of Production). Coastal recreational spearfishing is lightly regulated, but mind closed seasons and sizes.
  • ✓Dorado (mahi): closed 1 Jul–7 Oct and 80 cm (LT) minimum — the only regulated size in Ecuador. PN Machalilla and the Galápagos Marine Reserve are no-take.
  • ⛔ 🚫 Plan de Acción Tiburones: 9 sharks (white, whale, hammerhead ×4, oceanic, basking, bonnethead), manta (Manta birostris) and sawfish (Pristis pristis) — take/sale BANNED. Finning («aleteo») banned.
  • ⛔ Sea turtles and marine mammals — no-take.
  • ⛔ 🚫 Galápagos Marine Reserve and Machalilla NP (Isla de la Plata/Salango) — marine-resource extraction banned; hunting banned. REMAPE (El Pelado, Ayangue) — core reserve, hunting restricted.

Rules change. Before heading out, check with the Viceministerio de Acuacultura y Pesca (Ministry of Production); respect the dorado closure (1 Jul–7 Oct, 80 cm) and the no-take zones (PN Machalilla, Galápagos).

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 · Manta

Spearfishing in Manta: spots, seasons and rules

Updated 2026-07-09 · By Oleksandr, spearfisher

Manta works best as a base, not as a downtown shore dive. The city bay is partly sheltered, but port traffic, mixed water and urban risk push spearfishing toward La Tiñosa / San Mateo and Santa Marianita. Both are shallow rock and sand options that need low swell and a clean exit. Shore targets are snapper, grouper, sierra, almaco jack and croaker. Dorado, wahoo and tuna belong more to boat plans, with dorado legality checked first.

TL;DR

  • Manta is a useful base, but the spearfishing grounds sit outside the port core.
  • La Tiñosa / San Mateo and Santa Marianita are the practical shallow-rock references.
  • Ecuador's dorado closure is 1 Jul-7 Oct, with an 80 cm minimum.

Manta shore references

These are outside-town options. Bring a visible float, avoid port movement and do not enter if northwest swell is washing the exit.

SpotTypeDepthLevelAccessNotes
La Tiñosa / San MateoRocky shoreShallow to about 15 mIntermediateSan Mateo sideRock for snapper, sierra, croaker and grouper when the sea is settled.
Santa MarianitaOpen coast southwest of townShallow rock and sandIntermediateCoastal village accessQuieter than the port, but watch wind sport activity and small boats.

When is Manta worth a shore session?

December to May is the cleaner warm season, often the only period that gives friendly visibility. June to November can turn green with garúa and upwelling. Go early, keep the plan outside the port, and treat sharks, mantas, rays, turtles and marine mammals as strictly off limits.

FAQ

Is Manta a beginner shore spot?

Not downtown. Go with a local partner to San Mateo or Santa Marianita on small-sea days.

What fish are realistic from shore?

Snapper, grouper, sierra, almaco jack and croaker.

Can you spear dorado?

Not from 1 Jul-7 Oct, and the minimum size is 80 cm outside the closure.

Are there useful webcams?

No dedicated water camera is listed, so rely on forecast, swell and local clubs.

What is the main safety issue?

Port traffic, exposed rock, wind and urban security all matter.

Sources

  • Ministry of Production, Foreign Trade, Investments and Fisheries
  • Ministry of Environment, Water and Ecological Transition
  • Galapagos National Park, Marine Reserve

Nearby towns

  • Puerto López conditions today
  • Spearfishing in Ayangue
  • Salinas conditions today
  • Dive spots near Mompiche
Data partners
dive centres that send us real visibility readings
Águas VivasMilfontes · Sagres